Developer Tools

Generators and formatters. Everything runs in the browser.

08 live08 in this section
41QR Code GeneratorQR codes as PNG or SVG, generated entirely in the browser.
42Password GeneratorStrong passwords from the browser cryptographic random source.
43JSON FormatterValidate, pretty print, minify and sort keys. Client-side only.
44Base64 Encoder / DecoderEncode and decode, standard and URL-safe. Client-side only.
45Barcode GeneratorEAN-13, UPC-A, Code 128 and Code 39, with the check digit computed.
46JWT GeneratorSign a JSON Web Token with HS256. The payload is readable.
47Secret Key GeneratorRandom keys in hex, base64 or UUID, entropy stated in bits.
48Text ComparisonCompare two texts and name the differences you cannot see.
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