The workbench
Every tool in one place
Nine small utilities that each do a single job. They all run in your browser, and none of them ask for anything before you can use them.
JSON Formatter
Pretty-print, validate and minify JSON with clear error messages.
Base64
Encode text to Base64 or decode it back, instantly and offline.
URL Encoder
Percent-encode or decode URLs and query components safely.
Hash Generator
Compute MD5, SHA-1, SHA-256, SHA-384 and SHA-512 digests of any text.
UUID Generator
Mint random version-4 UUIDs one at a time or in bulk.
JWT Decoder
Inspect the header and claims of a JSON Web Token at a glance.
Regex Tester
Test a JavaScript regular expression and see every match highlighted.
Timestamp Converter
Convert between Unix epoch time and human-readable dates.
JSON to CSV
Convert a JSON array of objects to CSV, and CSV back to JSON.