Tools
Free tools for web developers
Encoders, formatters, color utilities, a code playground, and more — all running in your browser, no install or signup needed.
General Tools
Password Generator
Strong, unique passwords on demand.
- </>
HTML Editor
Live HTML/CSS/JS editor with preview.
- ⇄
HTML Encoder
Escape HTML entities both ways.
- B64
Base 64 Converter
Encode / decode text and files.
- ±
Code Diff
Side-by-side diff for any two snippets.
- {}
JSON Beautifier
Pretty-print and validate JSON.
- .css
CSS Beautifier
Tidy stylesheets, shorthand, sort properties.
- md
Markdown Converter
Convert Markdown to HTML on the fly.
Tailwind Color finder
Find the nearest Tailwind class for any color.
Phrase encrypt / decrypt
Symmetric phrase encryption made simple.
Browser feature detection
Check what's supported in your browser.
- #
Number Converter
Binary, octal, decimal, hex — all directions.
- JWT
JWT Decoder
Decode, verify, and inspect JSON Web Tokens.
CSS Maker
Color Tools
String Tools
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String Length Calculator
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MD5 Hash Generator
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Sha256 Hash Generator
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String Reverse
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URL Encoder
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URL Decoder
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Base 64 Encoder
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Base 64 Decoder
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Extra Spaces Remover
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String to Lowercase
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String to Uppercase
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Word Count Calculator
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Empty Lines Remover
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HTML Tags Remover
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Binary to Hex
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Hex to Binary
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Rot13 Transform on a String
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String to Binary
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Duplicate Lines Remover