Developer Tools
Free online developer tools — JSON formatter, Base64, URL encoder, UUID, regex tester, password generator and more.
JSON Formatter & ValidatorFormat, validate, and beautify JSON data.
Base64 Encoder & DecoderEncode or decode text in Base64 format.
URL Encoder & DecoderEncode or decode URL query strings.
HTML Entity EncoderEncode or decode HTML special characters.
SHA-256 Hash GeneratorGenerate SHA-256 cryptographic hash from text.
UUID GeneratorGenerate random UUID v4 identifiers.
Password GeneratorGenerate strong random passwords.
Color ConverterConvert colors between HEX, RGB and HSL.
Regex TesterTest regular expressions against sample text.
CSS MinifierMinify CSS by removing whitespace and comments.
Lorem Ipsum GeneratorGenerate placeholder lorem ipsum text.
Case ConverterConvert text between uppercase, camelCase, snake_case and more.