Development
Tools for developers: JSON, Base64, hashes, regex and more.
DevelopmentJSON Formatter and ValidatorFormat, indent and validate JSON in your browser. Points out the error with line and column when the text is invalid.DevelopmentBase64 Encoder and DecoderEncode text to Base64 or decode Base64 back to text, with full support for accents and emojis. Everything in your browser.DevelopmentHash Generator (MD5, SHA-1, SHA-256, SHA-512)Generate the hash of any text in MD5, SHA-1, SHA-256 and SHA-512 at once. Computed in your browser.DevelopmentColor Converter (HEX, RGB and HSL)Convert colors between HEX, RGB and HSL, with a visual picker and preview. Edit any format and the others update instantly.DevelopmentUUID Generator (v4)Generate random UUIDs (version 4) one at a time or in bulk, ready to copy. Created securely in your browser.DevelopmentRegex TesterTest regular expressions in real time, with matches highlighted in the text and a match count.DevelopmentNumber Base ConverterConvert numbers between decimal, binary, hexadecimal and octal. Type in any base and the others update instantly.DevelopmentCSS, HTML and SQL FormatterMake CSS, HTML and SQL clean and readable with automatic indentation. Paste the code, pick the language and format.