Formatters, encoders, generators, and testers every developer reaches for.
Pretty-print and validate JSON.
Check whether a JSON document is valid.
Pretty-print XML with proper indentation.
Format and validate YAML.
Encode text or files to Base64.
Decode a Base64 string back to text or a file.
Percent-encode a string for use in a URL.
Decode a percent-encoded URL string.
Generate strong, random passwords.
Generate one or many RFC 4122 UUIDs.
Compute the SHA-256 hash of text or a file.
Compute the MD5 hash of text or a file.
Decode a JSON Web Token's header and payload.
Convert colors between HEX, RGB, and HSL.
Test a regular expression against sample text with live match highlighting.