Developer tools
Format, encode, decode and inspect the data you work with every day. Nothing you paste is sent to a server.
JSON, YAML and XML
- Data format converterJSON, CSV, XML and YAML, any way
- CSV to SQLCSV rows to INSERT statements
- Excel to JSONTurn spreadsheets into JSON
- JSON escape / unescapeEscape text for a JSON string
- JSON formatterPretty-print, validate and minify JSON
- JSON minifierStrip whitespace from JSON
- JSON to ExcelTurn JSON into an Excel file
- JSON to TypeScriptTypeScript interfaces from JSON
- JSON to XMLTurn JSON into an XML document
- JSON to YAMLTurn JSON into readable YAML
- JSON validatorCheck JSON and find syntax errors
- XML formatterPretty-print, check and minify XML
- XML to JSONTurn XML into JSON objects
- YAML to JSONTurn YAML config into JSON
Format and minify code
- CSS formatterBeautify or minify stylesheets
- CSS minifierShrink CSS files for production
- HTML formatterIndent and tidy HTML code
- JavaScript formatterBeautify or minify JavaScript
- JavaScript minifierCompress JavaScript with Terser
- Spaces to tabsTurn space indentation into tabs
- SQL formatterMake SQL queries readable
- Tabs to spacesSwap tabs for spaces, or back
Text, Markdown and regex
Encode and decode
- Base64 encode / decodeEncode or decode Base64 text, UTF-8 safe
- Base64 to imageSee the image in a Base64 string
- HTML entities listNamed and numeric codes for symbols
- HTML entitiesEscape text for HTML, or decode entities
- Image to Base64Turn an image into a Base64 data URI
- JWT decoderRead a token’s header and claims
- Unix timestamp converterEpoch timestamps to dates and back
- URL encode / decodePercent-encode or decode URL text
Servers and networks
Reference
Design and CSS
- Color contrast checkerWCAG contrast ratio, AA and AAA
- Color blindness simulatorSee images as color blind people do
- CSS gradient generatorLinear, radial and conic CSS
- Box shadow generatorLayered CSS box-shadow code
- Border radius generatorRounded corners and blob shapes
- PX to REM converterPixels to rem and back
- Rem to px converterConvert rem to pixels
- SVG optimizerSmaller SVG files with SVGO
Colors
- HTML color namesAll 148 CSS color names
- CMYK to RGBTurn print CMYK into RGB and HEX
- Color converterHEX, RGB, HSL and CMYK color codes
- Color pickerPick a color, copy any code
- HEX to HSLTurn #hex codes into hsl() values
- HEX to RGBTurn #hex codes into rgb() values
- RGB to CMYKTurn RGB and HEX into CMYK
- RGB to HEXTurn rgb() values into #hex codes
- RGB to HSLTurn rgb() values into hsl()
SEO and browsers
Hashes and passwords
- Password strength checkerTime to crack and weak patterns
- Bcrypt generatorMake and check bcrypt hashes
- HMAC generatorHMAC-SHA256 signatures, hex or Base64
- Hash generatorMD5, SHA-1, SHA-256 and SHA-512 hashes
- MD5 hash generatorGet the MD5 hash of any text
- SHA-256 hash generatorGet the SHA-256 hash of any text