Free Developer Tools
That Make Your Life Easier
Powerful, fast, and completely free online tools for developers. No sign-up required. No credit card needed. Just tools that work.
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Developer Tools
Browse our collection of free tools organized by category
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Ready-to-use developer tools
JSON Formatter
Format, validate, and beautify JSON data with tree view
Base64 Encoder
Encode and decode Base64 strings instantly
URL Encoder
Encode and decode URL strings
Case Converter
Convert text between different cases
Text Diff
Compare two texts and find differences
Word Counter
Count words, characters, and lines
Why Choose ZeroFormat?
Lightning Fast
All tools process data instantly in your browser. No waiting, no delays.
Privacy First
Your data stays in your browser. We don't store or track what you process.
No Installation
Access all tools directly from your browser. Works on any device, anywhere.
Beautiful UI
Clean, modern interface designed for developers who value aesthetics.