Developer Tools37 Tools
Formatters, regex, QR, CSS generators, and encoding tools. Local-first tools with per-tool processing details.
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Popular Developer Utilities
8 FeaturedJSON Formatter
Developer
Make messy JSON easy to read
Regex Tester & Debugger
Developer
Try patterns against sample text
QR Code Generator
Developer
Make a QR code for a URL or note
Text Difference Checker
Developer
Compare two texts side by side
CSS Flexbox Generator
Developer
Build a flexbox layout visually
Crontab Generator
Developer
Write a cron schedule without the syntax pain
Color Format Converter
Developer
Convert HEX, RGB, HSL, and CMYK
Epoch Timestamp Converter
Developer
Unix time to human dates and back
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Format & minify14 tools
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