Developer Tools
Speed up daily coding with formatters, encoders, and debuggers.
10 tools in this category
JSON Formatter & Validator
Validate, format, and minify JSON data instantly in your browser. Syntax highlighting and error detection included.
Base64 Encoder & Decoder
Encode text or files to Base64 and decode Base64 strings back to plain text instantly. Free, fast, 100% client-side.
URL Encoder & Decoder
Encode URLs and decode percent-encoded strings online. Convert special characters to safe URL formats.
Hash Generator (SHA-1, SHA-256, SHA-512, MD5)
Generate SHA-1, SHA-256, SHA-384, SHA-512 and MD5 hashes from any text. Runs locally in your browser.
JWT Decoder & Inspector
Decode JSON Web Tokens to inspect their header, payload, and signature. Runs entirely in your browser.
Regex Tester & Debugger
Test regular expressions against sample text with real-time match highlighting and capture groups.
UUID & GUID Generator
Generate random UUID v4 / GUID values in bulk. Cryptographically secure identifiers for your apps.
Unix Timestamp Converter
Convert Unix epoch timestamps to human-readable dates and back. Supports seconds, milliseconds, and ISO 8601.
CSS Minifier & Beautifier
Minify CSS to shrink file size, or beautify minified CSS to make it readable. Instant, browser-side.
HTML Viewer & Live Preview
Paste HTML and see it rendered live in a sandboxed iframe. Toggle scripts on/off and preview instantly.