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.
Convert CSV to JSON and JSON back to CSV.
Convert Unix timestamps to dates and back.
Write Markdown and see the rendered HTML live.