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Free, fast, and private. Format JSON, encode Base64, test regex, generate hashes — all in your browser.
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Format & Convert
2 toolsJSON Formatter & Validator
Format, validate, and beautify JSON data instantly in your browser. Supports syntax highlighting and error detection.
HTML Formatter
Beautify or minify HTML code instantly. Auto-indentation, tag formatting, and clean output with one click.
Encoding
3 toolsBase64 Encoder / Decoder
Encode text or decode Base64 strings instantly. Works entirely in your browser — no data is sent to any server.
URL Encoder / Decoder
Encode or decode URL components instantly. Handles special characters, query strings, and full URLs with ease.
Hash Generator
Generate SHA-1, SHA-256, and SHA-512 hashes from any text. Uses Web Crypto API — everything stays in your browser.
String & Text
2 toolsRegex Tester
Test regular expressions with real-time matching, group extraction, and syntax highlighting. Debug your regex patterns instantly.
String Case Converter
Convert text between camelCase, PascalCase, snake_case, kebab-case, UPPERCASE, lowercase, and Title Case formats.