Base32 Encoder/Decoder
7 toolsEncode or decode Base32 strings.
Runs in your browser — your files and text stay on your device
A complete encoding toolkit — Base64 and URL encode/decode, convert files to and from Base64, encode/decode HTML entities and Base32, convert internationalized domain names with Punycode, and decode or sign JWTs. All directly in your browser, which matters since tokens and encoded data often carry sensitive information.
Base64 & URLJWT DecoderJWT GeneratorFile ↔ Base64HTML Entity Encode/DecodeBase32 Encode/DecodePunycode (IDN) Converter
Output
How to use this tool
- 1Choose Encode or Decode.
- 2Paste text or a Base32 string.
- 3Copy the result.
Frequently asked questions
Where is Base32 used?
Commonly in TOTP/2FA secret keys, DNS records, and other contexts where case-insensitive, human-typeable encoding matters.
Is my text sent anywhere?
No — encoding and decoding both happen entirely in your browser.