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All Tools (283)

Browse every free online tool available on ToolHop, organised by category.

Explore 16 categories

This directory lists all 283+ ToolHop utilities. Each category page summarises what the tools solve, includes quick filters, and highlights related resources so you can stay in the flow.

Looking for something specific? Try the universal search to surface matching calculators, converters, design helpers, and developer utilities instantly.

Accessibility

Color Contrast Checker

Check color contrast ratios for accessibility. Ensure text and background combinations meet WCAG AA/AAA standards.

Focus Order Checker

Plan and simulate keyboard focus order to meet WCAG AA/AAA requirements. Reorder elements, mark skips, and export reports.

Accessibility Live Region Tester

Experiment with aria-live regions, politeness levels, and atomic updates. Preview how screen readers announce live changes before shipping UI updates.

Color Blindness Simulator

Upload an image and preview how it appears with protanopia, deuteranopia, or tritanopia filters to improve accessible design decisions and color choices.

Banking

IBAN Validator / Generator

Validate IBANs with live checksum (MOD 97) and formatting. Generate checksum-valid sample IBANs by country, copy or format in groups of 4.

SWIFT Code Lookup

Check, validate, and parse SWIFT/BIC codes. Instantly see bank code, country, location, and branch information. Ensure codes follow ISO 9362 format for international payments.

SWIFT Bank Directory

Look up the institution behind a SWIFT/BIC code with sample metadata. Validate ISO 9362 structure, view bank names, head offices, and common branch identifiers before wiring funds.

IBAN Component Decoder

Decode IBANs by country to expose bank codes, branch identifiers, and account numbers. Validate MOD 97-10 checksums and link directly to national bank directories for enrichment.

Credit Card Number Generator

Generate Visa, Mastercard, AMEX, Discover, JCB, and Maestro test card numbers with valid prefixes and Luhn checksums.

Credit Card Validator

Validate credit card numbers instantly using the Luhn checksum. Detect card issuer (Visa, MasterCard, AMEX, Discover) and format in groups of 4 for readability.

Bank Account Generator

Generate dummy bank account data for Germany, the Netherlands, Spain, the UK, and the US with real checksum rules applied.

Routing Number Checker

Validate US bank routing numbers (ABA numbers) instantly. Check digit length, verify checksum, and detect common errors.

International Routing Validator

Validate UK sort codes, Canadian transit and institution numbers, and Australian BSBs with native checksum logic. Surface bank metadata so you can route payments confidently.

ACH & SEPA File Linting

Lint ACH NACHA files and SEPA pain.001 XML instantly in the browser. Catch record length issues, missing control totals, and schema gaps before sending to your bank.

Regulatory Limit & Fee Calculator

Estimate per-transaction limits and bank fees across SEPA Instant, Faster Payments, FedNow, and Same Day ACH. Model volume caps and blended rates before launching new payout flows.

IBAN Country Formats

Lookup IBAN formats by country. See required length, country code, and example IBANs. Useful for international banking and transfers.

Identity & IDs

VIN Decoder

Decode any 17-character VIN to reveal manufacturer details, body information, model year, plant code, and check digit validation in seconds.

VIN Generator

Generate test VINs with authentic WMIs, valid check digits, and configurable manufacturer selections for QA and automotive integrations.

VIN Checker

Verify VIN structure, length, and check digits instantly. Highlight invalid characters, model year mismatches, and manufacturer insights for compliance.

Passport Number Generator

Generate passport numbers for the UK, USA, India, Canada, Australia, and Germany that follow authentic formatting rules.

National ID Generator

Generate national identification numbers with built-in checksum logic for the US, UK, India, Canada, and Spain.

Tax ID Generator

Generate business and taxpayer identifiers with correct checksums for the US, Australia, India, Brazil, and France.

Statistics & Probability

Descriptive Statistics Calculator

Paste your data and instantly compute mean, median, mode, variance, standard deviation, quartiles, and box-plot summary values.

Z-Score & Normal Distribution Calculator

Convert raw scores to z-scores and read off normal distribution probabilities, including left-tail, right-tail, and two-tailed p-values from z.

Confidence Interval Calculator

Build confidence intervals for means, proportions, and differences between groups at 80%, 90%, 95%, or 99% confidence levels.

Binomial & Combinatorics Calculator

Compute combinations (nCr), permutations (nPr), and binomial probabilities P(X=k), P(X≤k), and P(X≥k) for discrete probability questions.

Linear Regression Calculator

Fit a linear regression line to (x, y) data, and see the slope, intercept, correlation coefficient, R², and predicted values from the best-fit line.

T-Test & P-Value Calculator

Compute one-sample and two-sample t-tests from summary statistics. Get t statistics, degrees of freedom, and one-sided and two-sided p-values.

Correlation Matrix Calculator

Paste multi-column numeric data and generate a Pearson correlation matrix with basic summary statistics for each variable.

Sample Size Calculator

Calculate the minimum sample size needed for estimating a mean or proportion with a given margin of error and confidence level.

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Calculators

BMI Calculator

Calculate your BMI using metric or imperial units. Instantly check if you are underweight, normal, overweight, or obese.

Equation Solver

Solve linear equations, quadratic equations, and 2×2 systems step by step. See exact solutions, discriminants, determinants, and worked algebra.

Scientific Calculator

Work with trig, logs, factorials, powers, hyperbolic functions, and memory features in a beautiful scientific calculator.

Derivative Calculator

Differentiate polynomial functions of x symbolically using the power rule. View f'(x), simplifications, and evaluation at a specific x value with clear, step-by-step working.

Integral Calculator

Find indefinite and definite integrals of polynomial functions in x. See the antiderivative F(x) + C and compute ∫ from a to b with clear, step-by-step explanations.

Matrix Calculator

Compute matrix addition, subtraction, multiplication, determinant, and inverse for up to 4×4 matrices. Ideal for linear algebra and system of equations checks.

Complex Number Calculator

Add, subtract, multiply, divide, and raise complex numbers to integer powers. View modulus, argument, and polar form r∠θ for fast complex arithmetic checks.

Triangle Solver

Solve any triangle from common combinations like SSS, SAS, ASA, SSA, or right triangles. Find missing sides, angles, area, and perimeter.

Area & Volume Calculator

Calculate area, perimeter, surface area, and volume for common 2D shapes and 3D solids including circles, rectangles, triangles, spheres, cylinders, cones, and rectangular prisms.

Mortgage & Loan Amortization Calculator

See mortgage or loan amortization schedules, total interest, and the impact of extra payments on your payoff time.

APR vs APY Converter

Convert between nominal APR and effective APY for different compounding frequencies such as monthly, daily, and annually.

Savings Goal Calculator

Figure out how long it will take to reach a savings goal with monthly deposits, or how much you need to save each month to hit a target in time.

Circle & Arc Calculator

Enter a circle radius and central angle to compute diameter, circumference, area, arc length, sector area, and chord length.

Projectile Motion Calculator

Enter launch speed, angle, and starting height to compute flight time, maximum height, and horizontal range for a projectile trajectory.

Freelance Hourly Rate Calculator

Calculate the hourly and day rate you need to hit your freelance income goals. Factor in expenses, billable hours, and profit margins.

Age Calculator

Enter your date of birth to calculate your exact age in years, months, and days. Quick, simple, and accurate.

Pet Age Calculator

Convert between human and pet years instantly. Estimate the age of dogs, cats, rabbits, horses, parrots, and more using quick reference multipliers.

Tip Calculator

Work out tips quickly and split bills between people. Enter amount, tip %, and people to see per-person cost.

UK VAT Calculator

Calculate UK VAT at 20%. Add VAT to a net price or remove VAT from a gross price instantly.

Loan Calculator

Calculate loan repayments, monthly interest, and amortization schedules. Useful for mortgages and personal loans.

Compound Interest

Calculate compound interest on savings or investments. Choose compounding frequency and growth duration.

Fraction Calculator

Work with fractions effortlessly. Simplify, add, subtract, multiply, divide, and convert to decimals in one clean workspace.

Percentage Calculator

Calculate percentages easily. Find X% of Y, percentage increase or decrease, and reverse percentage problems.

Prime Number Checker

Enter a number to check if it’s prime using a fast trial-division test.

Percentage Difference

Calculate the absolute and percentage change between two values, with clear formulas and results for pricing, analytics, experiments, or homework quickly.

Factorial Calculator

Calculate the factorial of any integer n, including large values, with instant results for permutations, combinations, homework, and probability exercises.

Prime Generator

Generate a list of the first N prime numbers instantly.

Number Base Calculator

Convert numbers between binary, octal, decimal, and hexadecimal instantly, with clear base labels and copy-ready results for coding or math homework quickly.

GPA Calculator

Calculate GPA on a 4.0 scale by entering course grades and credit hours, then get instant totals for term or cumulative performance and goal tracking.

Body Fat Calculator

Estimate body fat percentage with the US Navy method using height, neck, waist, and hip measurements, then get a quick, private result for fitness tracking.

Retirement Savings

Estimate retirement savings with current balance, monthly contributions, and return rate, then see year-by-year growth and goal progress by age in clear charts.

Calories Burned

Estimate calories burned for common activities using your weight and workout duration, with MET-based results to compare workouts, goals, and weekly totals.

Colors

Color Palette Extractor

Upload an image and extract dominant colors. Generate beautiful palettes for design, branding, or art.

Gradient Generator

Create linear CSS gradients and copy code instantly. Design custom gradients with multiple colors and directions.

Dark Mode Color Pairs

Build coordinated light and dark theme CSS variables from a single neutral and accent color. Tune contrast and vibrancy then copy the finished tokens in seconds.

RGB ⇄ HSL

Convert colors between RGB and HSL with a live color swatch.

CSS Filter Generator

Design and preview CSS filters including blur, brightness, contrast, grayscale, sepia, saturate, and hue-rotate. Copy the CSS instantly.

Material Palette

Browse Google’s Material Design color palettes. View all shades, copy hex codes instantly, and preview text on background colors.

Flat UI Colors

Browse the Flat UI Colors palettes (v1 & v2). View all swatches and copy hex codes instantly for use in your designs and code.

Converters

HEX ⇄ RGB

Convert HEX to RGB and RGB to HEX with live preview. Useful for designers, developers, and anyone working with colors.

URL Encoder / Decoder

Safely encode or decode URLs to make them browser-friendly. Convert special characters and protect links from errors.

Base64 Encode / Decode

Convert text to Base64 and decode Base64 back to text. Perfect for developers, security, and encoding binary data.

Unit Converter

Convert between units of length, weight, temperature, and more. Simple online conversion calculator.

Shoe Size Converter

Convert men's and women's shoe sizes between US, UK, EU, centimetre, and Japanese systems instantly.

Clothing Size Converter

Convert international clothing sizes for men and women across US, UK, EU, and body measurement ranges.

Belt Size Converter

Enter a waist measurement to calculate the recommended belt length, international letter size, and EU belt number.

Ring Size Converter

Convert ring sizes between US, UK, and EU scales and view the matching inner diameter and circumference in millimetres.

Hat Size Converter

Convert hat sizes between international alpha labels, US fitted sizes, EU numbers, and head circumference measurements.

Time Zone Converter

Convert dates and times between different time zones instantly. Useful for meetings, travel, and global events.

HTML Entities

Encode or decode HTML entities quickly. Convert symbols, characters, and text for safe web use.

CSV → JSON

Convert CSV files to JSON arrays with options. Upload a file or paste data and get instant conversion.

JSON → CSV

Convert JSON arrays into CSV format. Upload or paste JSON and download ready-to-use CSV instantly.

Ultimate Archive Tool

Compress folders, extract ZIPs, inspect archive contents, and lock everything with AES-256 passwords.

Compress ZIP Online

Drag-and-drop to compress multiple files into a ZIP archive directly in your browser with adjustable compression levels.

Uncompress ZIP Online

Open ZIP archives and extract individual files instantly without leaving your browser or uploading data anywhere.

ZIP Password Protector

Lock any ZIP archive behind a strong password with modern AES-256 encryption that runs entirely in your browser.

ZIP Viewer

Peek inside any ZIP archive, inspect file sizes, and download individual files without extracting everything locally.

Base Converter

Convert numbers between bases 2-36, including binary, octal, decimal, and hexadecimal, with results and clear formatting for long values in coding tasks.

Roman Numeral Converter

Convert numbers to Roman numerals and back instantly. Great for history, education, or formatting.

Morse Code Translator

Translate text to Morse code and decode dots and dashes back to plain text, with spacing options for easy copying, study, puzzle solving, and radio practice.

Temperature Converter

Convert between °C, °F and Kelvin instantly with synced fields.

Text to Speech

Convert text to spoken audio in your browser using available system voices.

Speech to Text

Dictate into your microphone and get live transcripts when supported by your browser, ideal for drafting notes, emails, captions, and hands-free drafts.

Currency Converter

Convert amounts between currencies with live FX rates and a fallback cache, making it easy to price invoices, travel budgets, and international purchases.

Binary ⇄ Text

Convert text to binary and decode binary back to readable text with clean output, perfect for learning, debugging, or fun encoding you can copy and share.

Text to PDF

Convert plain text into a clean, shareable PDF with line breaks preserved, perfect for notes, logs, and simple documentation you need to print or send.

HTML Table to CSV

Convert HTML table code into clean CSV instantly and download.

CSV Viewer

Paste CSV data and view it in a formatted table instantly.

Number to Words

Convert any integer into English words for checks, invoices, contracts, and ledgers, with support for negatives, very large numbers, and clean formatting.

Roman Date Converter

Convert a date into Roman numerals instantly (day-month-year).

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Dates & Time

Business Days Calculator

Count working days between two dates, excluding weekends and optional holidays. Ideal for project planning and SLAs.

Work Hours & Overtime Calculator

Total weekly work hours from daily entries, separate overtime, and estimate pay based on an hourly rate and overtime multiplier.

Multi-Zone Meeting Planner

Coordinate meetings across time zones by mapping teammates' working hours and spotting overlapping slots automatically.

Timestamp Converter

Convert Unix timestamps to human-readable dates and back. Supports ISO 8601 and local time conversion.

Date Difference

Calculate the difference between two dates in days, weeks, or months. Fast and accurate date difference tool.

Time Difference

Calculate the exact time between two moments. Enter times or full dates to get hours, minutes, seconds, and a human-readable duration.

Countdown Timer

Create a countdown to any date or time. Useful for events, launches, deadlines, or personal reminders.

Chinese Zodiac Calendar

Discover the Chinese zodiac animal for the current year or any past and future year. Explore element traits, compatibility, career insights, and lifestyle tips for all 12 animals in the lunar calendar.

Date Math

Add or subtract years, months, days, hours, and minutes from a date. Quick online date calculator.

Stopwatch

Start, pause, and reset a precise stopwatch for tasks, workouts, and speed-runs.

Days Until

Enter a date and see how many days are left (or days since). Simple and fast.

Design

Responsive Meta Tag Generator

Assemble responsive meta tags for viewport, Open Graph, Twitter Cards, favicons, and manifests. Copy clean HTML head snippets in seconds.

CSS Variable Theme Previewer

Import CSS custom properties to preview light and dark themes, tweak values live, and export polished token sets.

Neumorphism Generator

Generate neumorphic soft UI effects with adjustable shadows, blur, border radius, and inset mode. Copy CSS code instantly.

Glassmorphism Generator

Generate glassmorphism CSS with background transparency, blur, border radius, and frosted glass effects. Copy CSS code instantly.

Button Hover Effects

Design interactive button hover states with border wipe, glow trail, and micro-motion presets. Adjust colors, radius, timing, and copy production-ready CSS.

Flexbox Playground

Experiment with flexbox layouts in real time. Adjust direction, wrapping, alignment, and gaps visually, then copy clean CSS for your own UI layouts.

Container Query Builder

Plan component-level breakpoints, preview how layouts respond to container width changes, and copy production-ready CSS container queries with matching markup.

Clamp() Font Generator

Build fluid typography with ease. Enter min/max font sizes and viewport breakpoints to produce a precise CSS clamp() font-size formula with live preview.

CSS Keyframes

Create multi-step CSS animations with translate, rotate, scale, and opacity controls. Preview the timeline and copy clean keyframe CSS.

Motion Path Generator

Define bezier control points, visualize the curve, and export production-ready CSS offset-path animations with configurable timing, iterations, and offset-rotate.

Scroll Animation Builder

Design scroll-driven reveal effects, map scroll ranges, and export modern @scroll-timeline CSS alongside IntersectionObserver fallbacks for wider browser support.

Easing Function Visualizer

Design custom cubic-bezier easing curves with drag-and-drop handles, presets, live motion previews, and ready-to-copy CSS.

Chart & Graph Generator

Design bar, line, pie, doughnut, radar, and polar area charts with live preview. Customize datasets, tweak colors, and export finished charts as PNG, JPG, WebP, or SVG wrappers in seconds.

Noise / Grain Background

Generate subtle noise and grain textures as base64 PNG data URIs or CSS backgrounds. Control intensity, opacity, tint, blend mode, and size.

Networking

DNS Record Lookup

Look up DNS A, AAAA, MX, TXT, CNAME, NS, and DNSSEC records instantly using Google's public resolver.

A Record Checker

Fetch IPv4 A records for any domain to verify hosting changes, check propagation, and troubleshoot routing or DNS misconfigurations with IPs at a glance.

AAAA Record Checker

Check AAAA records to confirm IPv6 addresses published for your domain and diagnose dual-stack issues.

MX Record Checker

List MX records to see which mail exchangers handle email for a domain and validate deliverability setups.

TXT Record Checker

Inspect TXT records for SPF, DKIM, DMARC, and verification tokens on any domain to validate email setups, third-party integrations, and deliverability.

CNAME Record Checker

Reveal CNAME aliases to see how hostnames map to canonical domains, CDNs, and services, helping verify routing, redirects, and DNS setups during migrations.

NS Record Checker

List the authoritative name servers for a domain and confirm delegation, helpful for DNS changes, registrar updates, and troubleshooting resolution issues.

SOA Record Checker

Fetch SOA records to review name server, contact, serial, refresh, retry, and expiry values for a zone, useful for DNS change audits and propagation checks.

SRV Record Checker

Query SRV records to map protocols and ports to hostnames for services like SIP, XMPP, LDAP, and more.

PTR Record Lookup

Perform reverse DNS lookups to translate IPv4 or IPv6 addresses into hostnames, useful for email deliverability checks, logging, and security reviews.

DNSKEY Record Checker

Retrieve DNSKEY records published for DNSSEC validation, including algorithms, key tags, and public keys.

DS Record Checker

Check DS records to confirm DNSSEC delegation between parent and child zones and review key digests.

RRSIG Record Checker

View RRSIG records to inspect DNSSEC signatures, inception and expiration windows, and covered record sets.

NSEC Record Checker

Inspect NSEC records to understand how a zone proves the nonexistence of names and reveals covered ranges.

NSEC3PARAM Checker

Fetch NSEC3PARAM values to review the hashing algorithm, salt, and iteration count used for DNSSEC denial of existence.

LOC Record Checker

Look up LOC records that publish latitude, longitude, and altitude metadata for domains and hosts.

CERT Record Checker

Display CERT records that embed public key certificates in DNS for experimental or legacy deployments.

IPSECKEY Record Checker

Check IPSECKEY records that distribute public keys for IPsec security associations and VPN discovery.

WHOIS Lookup

Look up domain WHOIS information including registrar, status, expiry dates, and name servers. Cached responses keep repeat queries fast.

SSL Certificate Inspector

Fetch live TLS certificate details from a hostname. Verify issuer, validity dates, SAN entries, and the complete certificate chain in one view.

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Developers

YAML Formatter

Format YAML, convert between YAML and JSON, and validate syntax instantly in your browser with offline support.

JWT Decoder

Decode JWT header and payload safely in your browser. Inspect claims and structure without sending tokens anywhere.

JWT Generator

Create signed JSON Web Tokens with customizable headers and payloads. Choose HS256, HS384, or HS512 HMAC algorithms and copy the ready-to-use JWT.

Cron Expression Builder

Visually craft cron expressions with presets, interval selectors, and quick toggles. Copy the expression and preview the next scheduled runs instantly.

Cron Parser

Parse cron expressions and preview next run times. Useful for devs managing scheduled tasks and crontab jobs.

HMAC Generator

Compute HMAC signatures with SHA-256, SHA-1, or MD5 using a secret key. Secure online hashing tool.

Regex Tester

Test and debug JavaScript regular expressions with live matches, highlighting, and quick feedback to refine patterns for validation, search, and replace.

Regex Pattern Builder

Compose regular expressions with guided toggles for character sets, anchors, quantifiers, and flags. Test against sample input instantly.

URL Parser

Parse a URL into protocol, host, path, query string, and hash. Quick online URL analyzer tool.

JS Minifier

Minify and compress JavaScript code instantly. Reduce file size with Terser-style compression and improve load speed.

CSS Minifier

Minify CSS online by removing whitespace, comments, and redundancy. Optimize your stylesheets quickly.

HTML Minifier

Minify HTML code instantly. Remove comments, extra spaces, and reduce file size for faster websites.

JSON Schema Validator

Validate JSON data against a schema. Catch errors instantly with fast, browser-based JSON schema validation.

IP Checker

See your current public IPv4 or IPv6 address instantly using a public API, useful for debugging network issues, VPNs, firewall rules, or support tickets.

Password Strength Checker

Quickly estimate password strength with visual feedback and tips.

HTML Formatter

Format and pretty-print HTML. Uses Prettier if available, with a small fallback.

JSON Diff

Compare two JSON structures and see a list of differences by path.

JSON Path Explorer

Run JSONPath-style queries in your browser. Inspect JSON payloads, test filters, and copy matching values instantly.

JSON Shape Flattener

Flatten nested JSON objects, rebuild dot-path maps, and merge payloads with conflict tracking.

.gitignore Builder

Select languages, frameworks, and tools to instantly build a tailored .gitignore file. Copy or download it for your next repo.

JSON.stringify Playground

Interactively explore JSON.stringify options. Try replacer arrays or functions, adjust indentation, and inspect replacer call traces.

JWT Inspector & Claims Diff

Decode two JWTs side by side, inspect their payloads, and highlight which claims are added, removed, or changed.

API Latency & Throughput Estimator

Estimate concurrent requests, bandwidth, and rough capacity from requests per second, latency, and payload size.

IP Validator

Validate IPv4 and IPv6 addresses instantly online. Great for developers and network admins.

JSON Validator

Validate JSON strings instantly, highlight syntax errors, and confirm formatting before you ship configs, APIs, or data files for production and debugging.

HTML Preview

Preview HTML code instantly in your browser. Great for testing and learning.

CSS → Tailwind

Paste CSS and get Tailwind utility classes for common properties (offline, heuristic).

Aspect Ratio Box

Generate aspect-ratio CSS plus the padding-bottom fallback snippet. Copy a ready-to-use responsive wrapper for any width and height.

Box Shadow

Design CSS box-shadows visually and copy the exact CSS.

Text Shadow

Design CSS text-shadow effects with adjustable offsets, blur, colors, and opacity. Preview typography and copy the CSS instantly.

Gradient Border

Generate gradient borders using CSS border-image or masking tricks. Customize stops, angles, widths, and instantly copy the CSS snippet.

Border Radius

Tune each corner radius visually and copy the CSS value.

CSS Clip Path

Create clip-path shapes visually with a live preview and copy the CSS for your elements, with presets for circle, ellipse, inset, and polygon masks fast.

CSS Grid Generator

Design CSS grid layouts by defining rows, columns, and named areas. Paint cells on the grid and export the CSS instantly.

CSS gradient → Tailwind

Convert CSS gradients into Tailwind utility classes. Supports linear, radial, and conic gradients with smart mapping to Tailwind syntax.

robots.txt Auditor

Paste your robots.txt file to inspect syntax errors, visualize user-agent coverage, and test whether URLs are blocked or allowed.

Meta Description & Title Length Checker

Check the length of your HTML title and meta description tags in characters and pixels, and preview how they might look in search results.

Schema.org Markup Generator

Generate JSON-LD schema.org markup for FAQPage, HowTo, and Article content using simple forms.

JavaScript/TypeScript Formatter

Format JavaScript or TypeScript instantly with clean indentation, readable spacing, and consistent line breaks.

CSS Formatter

Format CSS instantly with consistent indentation, tidy spacing, and readable line breaks for faster reviews.

SQL Formatter

Format SQL queries with readable line breaks and keyword highlighting for easier debugging and sharing.

XML Formatter & Converter

Format XML and convert XML <-> JSON with a clean, browser-only workflow for fast debugging and integration work.

TOML <-> JSON Converter

Convert TOML to JSON or JSON to TOML in your browser with a fast, lightweight parser for common config files.

SVG Optimizer & Cleaner

Optimize SVG files by removing metadata, comments, and extra whitespace for faster, cleaner assets.

SVG to React Component

Convert raw SVG markup into React-ready JSX with camelCased attributes and optional props support.

UTM Builder & URL Sanitizer

Build UTM-tagged URLs and strip tracking parameters from existing links to keep analytics clean and shareable.

File Checksum Generator

Generate file checksums in your browser to verify downloads, compare assets, and validate file integrity.

Generators

Password Generator

Generate strong, secure, random passwords instantly. Choose length, include numbers, symbols, uppercase and lowercase letters.

Hash Generator

Generate MD5, SHA-1, and SHA-256 hashes from text instantly. Secure one-way hashing tool for developers and IT pros.

UUID Generator

Generate v4 UUIDs instantly for free. Unique, random identifiers for software projects, databases, and development.

QR Code Generator

Create QR codes from text or URLs instantly. Download as an image and use for websites, business cards, and marketing.

Random Number

Generate random numbers between any two values instantly. Great for games, raffles, and quick number picking.

Lorem Ipsum Generator

Generate placeholder Lorem Ipsum text for designs, documents, and layouts. Choose number of paragraphs or sentences.

Barcode Generator

Generate Code128 barcodes instantly from text. Download barcode images for labels, packaging, or products.

NanoID Generator

Generate secure NanoIDs with customizable length and alphabet. Great for developers needing short unique IDs.

Dice Roller

Roll any number of dice with any number of sides, see each roll and totals instantly, and use it for tabletop games, classrooms, or random picks quickly.

Images

Favicon Generator

Upload a logo or icon to instantly generate common favicon sizes. Preview each size and download everything in a single ZIP package.

Image Compressor

Compress images in your browser to reduce file size without losing quality. Supports JPG, PNG, and WebP.

Universal Image Converter

Convert images between PNG, JPG, WebP, and BMP without uploading anything. Batch process, resize, rename, and download the results as a ZIP — all in your browser.

Background Remover

Cut subjects out of photos instantly with on-device background removal. Choose model quality, tweak the canvas background, and download clean PNGs without uploading your files.

PNG ⇄ JPG

Convert PNG to JPG or JPG to PNG instantly in your browser. Preserve quality and download in seconds.

PNG → JPEG

Turn PNG graphics into lightweight JPEGs with fine-grained control over quality and dimensions. Queue multiple files and export them together in seconds.

JPEG → PNG

Convert JPG photos into crystal-clear PNG files while keeping everything offline. Batch resize, rename, and download your converted images in a click.

PNG → WebP

Compress PNG assets into speedy WebP images with adjustable quality and batch processing. Perfect for web performance and modern image delivery.

WebP → PNG

Convert modern WebP files into widely supported PNG images right in your browser. Restore transparency, tweak dimensions, and export everything at once.

JPEG → WebP

Shrink heavy JPEG photos into efficient WebP files. Adjust compression, resize galleries, and download the optimized images as a single archive.

WebP → JPEG

Export WebP images into universally supported JPEG files with adjustable quality. Batch convert offline and ship results in moments.

Image Resizer

Resize images while keeping aspect ratio, adjust quality, and export as JPG, PNG, or WebP for faster uploads, websites, and social media without distortion.

EXIF Viewer

Upload an image and view EXIF metadata including camera model, lens, exposure, and GPS location.

Image to WebP

Convert images (JPG, PNG) to WebP format online. Reduce file size while keeping high quality for the web.

Image Grayscale

Convert images to grayscale instantly in your browser. Preview and download black & white versions.

Image to Text (OCR)

Extract text from images with OCR, turning scans or photos into copy you can search, edit, and paste into documents or spreadsheets quickly and reliably.

Image Placeholder Generator

Generate tiny, blurred image placeholders and dominant colors for faster-loading image previews.

EXIF Stripper

Remove EXIF metadata like GPS and camera details by re-encoding images locally in your browser.

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Cheatsheets

Regex Cheatsheet

Anchors, character classes, quantifiers, flags, and real-world regex patterns you can paste into your next search.

Markdown Cheatsheet

Copy-ready Markdown syntax for headings, emphasis, lists, tables, code blocks, and media embeds, plus layout tips for clean docs and READMEs that render well.

HTML Cheatsheet

Semantic HTML reference covering document structure, text elements, media, forms, and SEO-ready metadata.

CSS Cheatsheet

Quick CSS reference for selectors, box model utilities, flexbox, grid, and responsive typography patterns.

JavaScript Cheatsheet

Modern JavaScript reference packed with syntax basics, array helpers, async patterns, modules, and DOM tips.

SQL Cheatsheet

SQL command reference for SELECT queries, filtering, joins, aggregation, schema changes, and performance tips.

Text

Word Counter

Instantly count words, characters, sentences, paragraphs, and reading time. Perfect for essays, SEO, writers, and social posts.

Case Converter

Convert text between UPPERCASE, lowercase, Title Case, Sentence case, kebab-case, and snake_case instantly online.

JSON Formatter

Format, beautify, or minify JSON instantly. Detect errors in your JSON data with live validation and syntax highlighting.

Markdown → HTML

Convert Markdown to clean HTML instantly. Live preview, copy HTML, and check formatting. Perfect for blogs and documentation.

Text Diff

Compare two pieces of text and highlight differences. Great for developers, editors, and document comparison.

Slug Generator

Turn text into clean, SEO-friendly slugs for URLs. Supports kebab-case, lowercase, and safe URL formatting.

Sort Lines

Sort lines alphabetically A-Z or Z-A, remove duplicates, and trim whitespace. Simple online line sorting tool.

Remove Duplicate Lines

Remove duplicate lines from any text and clean whitespace, perfect for tidying lists, logs, CSV columns, and keyword sets before reuse or sharing quickly.

Word Frequency

Paste text and see the most common words with frequency counts. Great for SEO, linguistics, and analysis.

Text Reverser

Reverse text by characters, words, or lines. Handy for puzzles and quick transformations.

Emoji Remover

Remove emojis and variation selectors from text with one click. Clean text for processing or publishing.

Palindrome Checker

Check whether a word, phrase, or sentence reads the same backwards, with case, punctuation, and spacing ignored for puzzles, games, and classwork in seconds.

Markdown Editor

Write Markdown with preview so you can format headings, lists, tables, and code blocks before publishing to docs, READMEs, blogs, or notes with confidence.

Character Counter

Count characters, words, lines, and bytes instantly, with totals for SEO limits, social posts, and form fields that have strict length rules and validation.

Case Shuffler

Randomize the casing of characters in your text to create playful, meme-style, or attention-grabbing copy for social posts, titles, jokes, and chat instantly.

Emoji Picker

Search and copy emojis by keyword or category, and quickly add expressive icons to messages, docs, social posts, and design mockups with one click anywhere.

Readability Analyzer

Measure how easy your text is to read with live Flesch Reading Ease, grade level, sentence length, and syllable counts.

Read-Time & Skimmability Analyzer

Measure reading time, sentence length, headings, and bullet coverage to keep long-form content skimmable. Surface dense sections before publishing.

Text Statistics

Analyze text for words, sentences, paragraphs, and average word length instantly.

Typing Speed Test

Check your typing speed with a timed WPM test that tracks accuracy directly in your browser.

Word Scrambler

Scramble text by shuffling words or characters for fun and creative writing.

Case Alternator

Alternate the casing of text by characters or words. Create mocking SpongeBob style text easily.

Word Cloud Generator

Generate word clouds from text instantly with colorful visualizations.

Markdown Table Generator

Quickly generate Markdown tables with customizable rows and columns, preview alignment, and copy clean output for docs, READMEs, and documentation tables.

Text Cleaner

Clean messy text by removing extra spaces, duplicate line breaks, and unwanted symbols, so your copy is ready for spreadsheets, forms, or publishing quickly.

Text Splitter

Split text into parts by any delimiter (spaces, commas, custom characters).

Slug Checker

Convert text into clean, SEO-friendly slugs for URLs. Removes invalid characters.

Language Detector

Detect the language of any text instantly in your browser, helpful for content review, translation workflows, and sorting multilingual documents quickly.

Anagram Generator

Generate anagrams for any word or phrase by searching a loaded dictionary or word list, ideal for games, puzzles, naming ideas, and creative writing projects.

Text Obfuscator

Obfuscate text using randomized substitutions for quick sharing without revealing details.

Title Capitalizer

Convert headlines to smart title case with small-word exemptions. Copy result instantly.

Word Unscrambler

Unscramble letters to find words. Load your own dictionary for accurate results.

PDF Tools

Word to PDF

Convert DOC or DOCX files into polished, shareable PDFs that preserve layout and fonts, perfect for resumes, proposals, reports, and client-ready documents.

Merge PDF

Combine multiple PDF files into one streamlined document directly in your browser.

Combine PDFs

Combine multiple PDFs in the exact order you need, reorder pages visually, and export one clean document for sharing, printing, or archiving without extra apps.

Split PDF

Extract individual pages or page ranges from a PDF without uploading anywhere.

Compress PDF

Compress large PDFs to a smaller size while keeping text readable and images clear, so files are easier to email, upload, and share without sacrificing layout.

PDF to Word

Turn your PDFs into fully editable Word documents with clean formatting.

PDF to PowerPoint

Convert each PDF page into an editable slide deck you can tweak in PowerPoint.

PowerPoint to PDF

Turn PPT and PPTX decks into PDFs optimized for sharing and printing.

Edit PDF

Add text, shapes, and quick annotations to any PDF without leaving your browser.

PDF to JPG

Turn every PDF page into a high-quality JPG that downloads instantly.

JPG to PDF

Convert JPG images into perfectly sized PDF pages in seconds.

Sign PDF

Sign PDFs with typed or drawn signatures, place them precisely on the page, and export a final copy ready for sharing, approvals, or record keeping fast.

Watermark PDF

Stamp text or image watermarks onto PDFs with control over opacity and position.

Rotate PDF

Rotate single pages or entire PDFs without needing Acrobat or desktop apps.

HTML to PDF

Convert any HTML snippet or live webpage into a polished PDF document.

Unlock PDF

Remove usage restrictions from PDFs when you already know the password.

Protect PDF

Secure your PDF with a password before sharing it with others.

Organize PDF

Rearrange, duplicate, or remove PDF pages with drag-and-drop simplicity.

PDF to PDF/A

Convert standard PDFs into PDF/A for long-term archiving, preserving fonts and metadata so records stay readable and compliant for legal or regulatory storage.

Repair PDF

Rebuild damaged PDFs by re-parsing pages and exporting a clean copy.

Add Page Numbers

Insert customizable page numbers into your PDF in seconds.

Scan to PDF

Use your device camera to capture documents and bundle them into a PDF instantly.

OCR PDF

Run OCR on scanned PDFs to make text searchable and selectable, and copy content from archives, invoices, and reports for reuse without retyping in seconds.

Compare PDF

Visualize and highlight differences between two PDF versions side-by-side.

Redact PDF

Permanently remove confidential text or regions from PDFs with precision.

Crop PDF

Crop PDF margins or focus on specific regions to tighten your layout.

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Tools directory FAQ

How is the ToolHop tools directory organised?

Tools are grouped into intuitive categories like Text, Calculators, Converters, Colors, Networking, and Productivity. Each category contains individual utilities with focused descriptions so you can scan for the perfect fit.

What are the most popular tools right now?

Visitors frequently launch the JSON Formatter, Password Generator, BMI Calculator, Lorem Ipsum Generator, and Color Palette Extractor. Use category hubs or search to explore the full catalogue of more than 80 tools.

Can I link teammates directly to a tool or category?

Yes. Every page in the directory has a shareable URL. Send colleagues to a specific tool detail page, a category like Calculators, or the site-wide search results for a phrase.

How often are new tools added?

We routinely release new converters, calculators, and design helpers based on community requests. Check back often or subscribe to updates to see the latest additions.

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