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Dev Tools

Free developer tools - JSON formatter, regex tester, and more. No sign-up needed.

4 tools available

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JSON Formatter

Beautify, minify, and validate JSON data. Syntax highlighting and error detection.

dev
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URL Shortener & UTM Builder

Shorten URLs, encode/decode URLs, and build UTM tracking links. QR code included.

url shortener
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Base64 Encoder/Decoder

Encode and decode text, files, images to and from Base64. Auto-detect mode.

base64 encoder
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Color Picker & Palette

Pick colors in HEX, RGB, HSL. Generate palettes. Contrast checker for accessibility.

color picker