Developer Tools & Utilities
Essential online tools for developers to format, encode, decode, validate, generate, and debug data securely in your browser. No uploads or server processing required.
JSON Formatter
Beautify, validate, and minify JSON instantly with syntax highlighting and a tree view. Everything runs securely in your browser.
JSON Validator
Validate, format, beautify, and minify JSON code instantly. Find syntax errors and parse payloads locally with 100% private processing.
Base64 Encoder / Decoder
Encode plain text or files to Base64, or decode Base64 strings back to readable text — instantly, without sending data to any server.
URL Encoder / Decoder
Encode or decode URLs, URI parameters, and query strings. Parse query params into editable tables with bulk line-by-line processing.
UUID Generator
Generate secure UUID v4 identifiers for applications, databases, APIs, and distributed systems in one click.
Hash Cipher Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 cryptographic hashes from text or files. HMAC support included. 100% private, browser-based.