Developer Tools
Developer Tools
Format, encode, hash, and debug text payloads locally — no account required.
All tools
Showing all 18 tools
- JSON Formatter & ValidatorPretty-print, minify, and validate JSON in your browser
- XML Formatter & ValidatorPretty-print and check well-formed XML locally
- JSON ↔ YAML ConverterConvert between JSON and a practical YAML subset
- JSON to ExcelTurn a JSON array of objects into an Excel-friendly CSV
- XML ↔ JSON ConverterConvert simple XML documents to JSON and back
- URL Encoder / DecoderEncode or decode URL components and query strings
- HTML Encoder / DecoderEscape or unescape HTML entities safely
- Base64 Encoder / DecoderEncode text to Base64 or decode Base64 to text
- URL ParserBreak a URL into protocol, host, path, query, and hash
- UUID GeneratorGenerate RFC-style UUID v4 values locally
- Hash GeneratorCreate SHA-1, SHA-256, and SHA-512 hashes with Web Crypto
- Regex TesterTest JavaScript regular expressions against sample text
- Unix Timestamp ConverterConvert between Unix time and human-readable dates
- JWT DecoderDecode JWT header and payload without verifying signatures
- SQL FormatterPretty-print common SQL keywords for readability
- Cron Expression GeneratorBuild and explain 5-field cron expressions
- JSON DiffCompare two JSON documents and list path-level changes
- CSS / HTML / JS MinifierMinify CSS, HTML, or JavaScript with a local lightweight pass