Developer Tools
Format, validate, encode, and generate data in the browser. JSON, Base64, URLs, UUIDs, regex, and more.
Available now
- JSON FormatterPretty-print JSON locally.Popular
- JSON ValidatorValidate JSON syntax and get clear error messages.
- Base64 Encoder / DecoderEncode and decode Base64 in the browser.
- URL Encoder / DecoderPercent-encode or decode URLs and query strings.
- UUID GeneratorGenerate cryptographically random UUIDs in the browser.
- Regex TesterTest regular expressions and see all matches and groups.
- Unix Timestamp ConverterConvert Unix timestamps to dates and back.
- JSON MinifyMinify JSON to a compact single line.
- JSON to One LineConvert JSON to a single line.
- JSON SorterSort JSON keys alphabetically.
- JSON CompareDiff two JSON documents side by side.
- JSON Stringify OnlineStringify JSON — wrap in JSON.stringify.
- HTML Escape / UnescapeEscape or unescape HTML entities.
- XML Escape / UnescapeEscape or unescape XML characters.
- JSON Escape / UnescapeEscape or unescape JSON string characters.
- Javascript Escape / UnescapeEscape or unescape JavaScript strings.
- CSV Escape / UnescapeEscape or unescape CSV cell values.
- SQL Escape / UnescapeEscape or unescape SQL string values.
- HTML FormatterFormat and beautify HTML.
- JavaScript FormatterFormat and beautify JavaScript.
- CSS MinifyMinify and compact CSS.
- CSS FormatterFormat and beautify CSS.
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