5 free tools

Code Quality Developer Tools

Review, compare, format, validate, and generate code or configuration for safer engineering workflows.

Code Formatter

Format JavaScript, TypeScript, HTML, CSS, and JSON with consistent indentation rules.

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Diff Viewer

Compare two blocks of text or code line-by-line with additions and deletions highlighted.

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Regex Tester

Test regular expressions against sample text with real-time match highlighting.

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Text Case Converter & Cleanup Tool

Convert text to Title Case, Sentence case, camelCase, snake_case, kebab-case, and more. Remove duplicate lines, trim whitespace, strip HTML, and clean messy pasted content locally.

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Invisible Character Detector & Unicode Normalizer

Reveal zero-width spaces, smart quotes, NBSPs, soft hyphens, bidi controls, and combining marks. Compare strings under NFC/NFD/NFKC/NFKD and clean text with safe profiles — locally in your browser.

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