Free Developer Tools
A collection of free online tools for developers. Encode, decode, format, and analyze your data securely. All tools run entirely in your browser - your data never leaves your device.
Encoding
URL Encoder & Decoder
Encode special characters for URLs or decode percent-encoded strings. Supports component encoding, URI encoding, and recursive decoding.
Base64 Encoder & Decoder
Convert text or files to Base64 encoding or decode Base64 strings. Supports standard and URL-safe Base64 variants.
Formatters
JSON Formatter
Beautify minified JSON for readability or minify JSON to reduce file size. Includes syntax validation and custom indentation options.
JavaScript Formatter
Format and beautify JavaScript code or minify it for production. Preserves strings and regex while handling comments.
HTML Formatter
Beautify HTML markup for better readability or minify for smaller file sizes. Preserves content in pre, code, and script tags.
XML Formatter
Format XML documents with proper indentation or minify for compact output. Validates XML syntax and preserves CDATA sections.
CSS Formatter
Beautify CSS stylesheets for development or minify for production. Supports modern CSS features including variables and media queries.
Why Use Our Tools?
All our developer tools are designed with privacy, speed, and simplicity in mind.
100% Private
All processing happens in your browser. Your data never leaves your device or gets sent to any server.
Lightning Fast
No server round-trips needed. Get instant results as you type or paste your content.
Always Free
No sign-up required, no limits, no ads. Just free tools for developers.
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