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Developers Tools
Handy developer tools for testing, debugging, and generating code. Includes JSON formatters, regex testers, JWT decoders, minifiers, and CSS utilities.
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JWT Decoder
Decode JWT header and payload safely in your browser. Inspect claims and structure without sending tokens anywhere.
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Cron Parser
Parse cron expressions and preview next run times. Useful for devs managing scheduled tasks and crontab jobs.
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HMAC Generator
Compute HMAC signatures with SHA-256, SHA-1, or MD5 using a secret key. Secure online hashing tool.
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Regex Tester
Test and debug JavaScript regular expressions. Highlight matches and quickly verify regex patterns.
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URL Parser
Parse a URL into protocol, host, path, query string, and hash. Quick online URL analyzer tool.
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JS Minifier
Minify and compress JavaScript code instantly. Reduce file size with Terser-style compression and improve load speed.
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CSS Minifier
Minify CSS online by removing whitespace, comments, and redundancy. Optimize your stylesheets quickly.
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HTML Minifier
Minify HTML code instantly. Remove comments, extra spaces, and reduce file size for faster websites.
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JSON Schema Validator
Validate JSON data against a schema. Catch errors instantly with fast, browser-based JSON schema validation.
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IP Checker
See your current public IP address (IPv4/IPv6) instantly. Runs client-side using a public API.
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Password Strength Checker
Quickly estimate password strength with visual feedback and tips.
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HTML Formatter
Format and pretty-print HTML. Uses Prettier if available, with a small fallback.
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JSON Diff
Compare two JSON structures and see a list of differences by path.
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IP Validator
Validate IPv4 and IPv6 addresses instantly online. Great for developers and network admins.
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JSON Validator
Validate JSON strings instantly and catch syntax errors fast.
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HTML Preview
Preview HTML code instantly in your browser. Great for testing and learning.
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CSS → Tailwind
Paste CSS and get Tailwind utility classes for common properties (offline, heuristic).
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Box Shadow
Design CSS box-shadows visually and copy the exact CSS.
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Border Radius
Tune each corner radius visually and copy the CSS value.
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CSS Clip Path
Create clip-path shapes visually and copy the CSS for your elements.
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CSS gradient → Tailwind
Convert CSS gradients into Tailwind utility classes. Supports linear, radial, and conic gradients with smart mapping to Tailwind syntax.
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