Developer Tools
Format, minify, validate, and debug code quickly.
Fix, convert, and optimize files in seconds — 100% free.
No sign-ups. No watermarks. Just fast tools that work. Search, click, and get results instantly.
✅ No sign-ups🔒 Privacy-first⚡ Fast results🌍 Built for everyone
Explore FixTools
Discover powerful tools, interactive learning, and fun games — all 100% free
Tools
60+ free developer tools. Format, validate, convert, and optimize code instantly.
⚡ Instant🔒 Private100% Free
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Learn
Interactive tutorials for JSON, HTML, CSS, and programming languages.
🎯 Interactive📖 Step-by-StepFree Forever
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Back to School
Essential tools for students and educators. Writing, reading, and study aids.
✏️ Writing📝 Study ToolsFor Everyone
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Games
Free online games and puzzles. Word games, brain teasers, and interactive challenges.
🧩 Puzzles🎯 Word GamesInstant Play
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Popular free tools
JSON Tools
Format, validate, convert, and analyze JSON data instantly.
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Improve crawlability, speed, and rankings.
CSS Tools
Build UI styles faster with visual generators.
Frequently Asked Questions
Is FixTools free to use?
Yes. FixTools is free to use with no sign-up required. You can run tools as often as you want.
Do you store my input or files?
No. FixTools is designed to be privacy-first. Your input is processed and you stay in control.
Will these tools break my website?
Tools preserve meaning while removing unnecessary characters (like whitespace/comments). Always test your pipeline before production deploys.
How do I find the right tool?
Use the search bar to locate tools by keyword (e.g., HTML, JSON, SEO). Category pages make discovery easy.