Code Tools

Free online developer utilities. All processing happens in your browser.

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Regex Tester

Test regular expressions with live matching and highlighting.

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CSS Minifier

Minify CSS code to reduce file size. Remove comments, whitespace, and unnecessary characters.

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JSON Formatter

Format, validate, and beautify JSON data. Pretty-print messy JSON instantly.

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HTML Minifier

Minify HTML code to reduce page size. Remove comments, optional tags, and whitespace.

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About Code Tools

All tools run entirely in your browser. Your code is never sent to any server. Use these tools for quick code formatting, testing, and optimization without installing anything.