JSON formatter & validator
Validate JSON syntax, format it with indentation or minify it.
Open toolDeveloper & Data Tools
Format code and convert structured data. Free to use, with no account needed.
CSV ↔ JSON converter
Convert comma-separated tables with headers and flat JSON object arrays.
Open toolURL encoder & decoder
Percent-encode or decode a URL component, including Unicode and spaces.
Open toolBase64 encoder & decoder
Convert Unicode text and emoji to and from standard UTF-8 Base64.
Open toolUUID generator
Generate UUID v4 identifiers using browser cryptographic randomness.
Open toolUnix timestamp converter
Convert Unix seconds or milliseconds and offset-aware ISO dates.
Open toolHEX, RGB & HSL converter
Convert common web color formats with a color preview.
Open toolRegular expression tester
Inspect JavaScript regex matches and positions in a timed background worker.
Open toolFiles and input text are not saved on a server. Download your results before leaving the tool.