Dev Utilities

Free developer tools: format JSON, decode Base64 and JWT, convert timestamps and compare text. Runs in your browser.

• Binary TranslatorConvert binary code to text and text to binary (UTF-8).
• JSON FormatterBeautify, pretty print or minify JSON, with error locations.
• Base64 DecodeDecode or encode Base64 and Base64URL, UTF-8 safe.
• Text CompareDiff two texts or files line by line and word by word.
• Epoch ConverterCurrent Unix time, and timestamps to dates and back.
• JSON ViewerExplore JSON as a collapsible tree and copy JSONPath.
• JSON ValidatorLint JSON and see the exact line and column of errors.
• URL DecoderDecode or encode percent-encoded URLs and parse query strings.
• UUID GeneratorGenerate random UUID v4 (or v7) in bulk and validate UUIDs.
• XML FormatterBeautify or minify XML and find well-formedness errors.
• JWT DecoderDecode a JWT header and payload and check exp, iat and nbf.
• Regex TesterTest JavaScript regular expressions with live highlighting.