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All Tools (242)

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

Explore 14 categories

This directory lists all 242+ 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.

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.

Calculators

BMI Calculator
Calculate your BMI using metric or imperial units. Instantly check if you are underweight, normal, overweight, or obese.
Scientific Calculator
Work with trig, logs, factorials, powers, hyperbolic functions, and memory features in a beautiful scientific calculator.
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 itโ€™s prime using a fast trial-division test.
Percentage Difference
Calculate the absolute change and percent change from one value to another.
Factorial Calculator
Calculate the factorial of any integer n with large number support.
Prime Generator
Generate a list of the first N prime numbers instantly.
Number Base Calculator
Convert numbers between binary, octal, decimal, and hexadecimal instantly.
GPA Calculator
Calculate your GPA on a 4.0 scale with credits. Add courses and see GPA instantly.
Body Fat Calculator
Estimate body fat percentage using height, neck, waist (and hip). Quick, offline.
Retirement Savings
Project retirement savings with monthly contributions and return rates over time.
Calories Burned
Estimate calories burned for common activities using your weight and duration.

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Converters

HEX โ‡„ 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 โ†’ JSON
Convert CSV files to JSON arrays with options. Upload a file or paste data and get instant conversion.
JSON โ†’ 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. Supports binary, octal, decimal, and hexadecimal formats.
Roman Numeral Converter
Convert numbers to Roman numerals and back instantly. Great for history, education, or formatting.
Morse Code Translator
Convert text to Morse and decode Morse back to text. Includes a simple audio beeper.
Temperature Converter
Convert between ยฐC, ยฐF 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 mic and get live transcripts (when supported by your browser).
Currency Converter
Convert between currencies using live exchange rates (with graceful fallback).
Binary โ‡„ Text
Convert text to binary and binary back to text instantly.
Text to PDF
Convert any text into a downloadable PDF instantly in your browser.
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 quickly (supports negatives and large numbers).
Roman Date Converter
Convert a date into Roman numerals instantly (day-month-year).

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 and troubleshoot DNS issues.
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 published on any domain.
CNAME Record Checker
Reveal CNAME aliases to see how hostnames map to canonical domains, CDNs, and services.
NS Record Checker
List the authoritative name servers responsible for a domain's DNS zone and confirm delegation.
SOA Record Checker
Fetch SOA records to review the primary name server, contact, serial, and timing values for a zone.
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 using PTR records.
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.

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. Highlight matches and quickly verify regex patterns.
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 IP address (IPv4/IPv6) instantly. Runs using a public API.
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.
IP Validator
Validate IPv4 and IPv6 addresses instantly online. Great for developers and network admins.
JSON Validator
Validate JSON strings instantly and catch syntax errors fast.
HTML Preview
Preview HTML code instantly in your browser. Great for testing and learning.
CSS โ†’ 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 and copy the CSS for your elements.
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 โ†’ 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.

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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 โ€” 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 โ‡„ JPG
Convert PNG to JPG or JPG to PNG instantly in your browser. Preserve quality and download in seconds.
PNG โ†’ 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 โ†’ 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 โ†’ WebP
Compress PNG assets into speedy WebP images with adjustable quality and batch processing. Perfect for web performance and modern image delivery.
WebP โ†’ PNG
Convert modern WebP files into widely supported PNG images right in your browser. Restore transparency, tweak dimensions, and export everything at once.
JPEG โ†’ WebP
Shrink heavy JPEG photos into efficient WebP files. Adjust compression, resize galleries, and download the optimized images as a single archive.
WebP โ†’ JPEG
Export WebP images into universally supported JPEG files with adjustable quality. Batch convert offline and ship results in moments.
Image Resizer
Resize images. Keep aspect ratio, adjust quality, and choose format (JPG, PNG, WebP).
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)
Upload an image and extract text instantly using OCR technology.

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 โ†’ 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
Strip duplicate lines from text and clean whitespace. Quick online tool to tidy lists and datasets.
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 if a word or phrase reads the same backwards. Ignores spaces and punctuation.
Markdown Editor
Live Markdown editor with preview. Uses `marked` when available with a small fallback.
Character Counter
Count characters, words, lines and bytes instantly. Handy for SEO and social posts.
Case Shuffler
Randomize the casing of characters in your text for fun and variation.
Emoji Picker
Search through emojis and copy them with one click.
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.
Text Cleaner
Clean text instantly by removing extra spaces, special characters, and non-ASCII symbols.
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
Instantly detect the language of any text in your browser. Fast, private, and offline.
Anagram Generator
Find anagrams for any word. Paste or load a dictionary and discover valid matches.
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.

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PDF Tools

Word to PDF
Convert DOC and DOCX files into polished, shareable PDFs right in your browser.
Merge PDF
Combine multiple PDF files into one streamlined document directly in your browser.
Combine PDFs
Stack PDFs in the exact order you need and export a single combined document.
Split PDF
Extract individual pages or page ranges from a PDF without uploading anywhere.
Compress PDF
Shrink PDF file size while keeping readable qualityโ€”no uploads required.
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.
PDF to Excel
Pull tables and structured text from PDFs into Excel spreadsheets in seconds.
PowerPoint to PDF
Turn PPT and PPTX decks into PDFs optimized for sharing and printing.
Excel to PDF
Make Excel spreadsheets easy to view by exporting them to PDF instantly.
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 in your browser or request signatures from collaborators.
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
Generate PDF/A compliant files for archival storage without leaving the browser.
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
Turn scanned PDFs into searchable, selectable documents with fast OCR.
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.

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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