JSON formatting, Base64 and URL encoding, UUIDs, and hashes for software engineers.
Prettify, format, validate, and minify JSON data with instant local parsing and syntax error diagnostics.
Encode text to Base64 or decode Base64 back to text in your browser. Unicode-safe, so Arabic, Greek, and emoji work.
Percent-encode or decode a URL component in your browser, using JavaScript's encodeURIComponent rules.
Generate random version 4 UUIDs in your browser, one or up to 100 at a time, and copy them all with one click.
Generate SHA-256, SHA-384, or SHA-512 hashes of text in your browser using the Web Crypto API.