Developer Tools
Everyday developer utilities: formatters, encoders, decoders and converters. Input is processed locally in your browser, so API keys, tokens and payloads are never sent to a server.
25 free tools · no sign-up · runs in your browser
All developer tools
- JSON FormatterFormat and beautify JSON online.
- JSON ValidatorCheck if JSON is valid and find syntax errors.
- JSON MinifierRemove whitespace to make JSON compact.
- JSON to YAMLConvert JSON to YAML.
- YAML to JSONConvert YAML to JSON.
- JSON to CSVConvert a JSON array to a CSV table.
- CSV to JSONConvert CSV data to JSON.
- XML FormatterBeautify or minify XML.
- HTML FormatterBeautify HTML code.
- CSS FormatterBeautify CSS, SCSS-style code.
- JavaScript FormatterBeautify JavaScript code.
- JavaScript MinifierMinify JavaScript to reduce file size.
- Base64 EncoderEncode text to Base64.
- Base64 DecoderDecode Base64 to text.
- URL EncoderPercent-encode text for URLs.
- URL DecoderDecode percent-encoded URLs.
- JWT DecoderDecode JWT tokens directly in your browser.
- UUID GeneratorGenerate random UUID v4 and time-ordered v7.
- Hash GeneratorGenerate MD5, SHA-1, SHA-256 and SHA-512 hashes.
- Regex TesterTest regular expressions with live highlighting.
- Cron Expression GeneratorBuild and explain cron schedules.
- Markdown to HTMLConvert Markdown to HTML.
- HTML to MarkdownConvert HTML to Markdown.
- Unix Timestamp ConverterConvert Unix epoch time to dates and back.
- Timestamp ConverterConvert dates between ISO 8601, RFC 2822 and more.