Developer Tools
Free, privacy-friendly utilities that run entirely in your browser. No data is ever sent to a server.
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JSON Formatter
Format, validate, and minify JSON data. Features syntax highlighting, error detection, and copy-to-clipboard.
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Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text. All processing happens in your browser.
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Regex Tester
Test regular expressions with live match highlighting, match groups, and common pattern presets.
→🔒 All tools run client-side. Your data never leaves your browser.