Free
CyberChef
Open SourceEncoding & Decoding
The Cyber Swiss Army Knife: encode, decode, hash and transform data in the browser.
encoderdecoderhashbase64
Encoding & Decoding
Base64, URL, JWT, QR, Unicode and every-day encoders/decoders.
7 tools in Encoding & Decoding
Free
Converters · Encoding & Decoding
Simple, fast online Base64 decoder and encoder.
base64decoderencoder
Free
Converters · Encoding & Decoding
Base64 encode and decode for text, files, URLs and images.
base64encoderdecoder
Free
JWT · Encoding & Decoding
The official JSON Web Token site: decode, debug and find libraries.
jwttokenauthdebugger
Free
QR & Barcode · Encoding & Decoding
Free QR code generator with custom colors, shapes and logos.
qrgeneratorbarcode
Free
Converters · Encoding & Decoding
Browse and search all Unicode characters by block and codepoint.
unicodecharactersreference
Free
Converters · Encoding & Decoding
Encode and decode URLs and query strings online.
urlencoderdecoder