Base32 Encoder/Decoder
7 toolsEncode or decode Base32 strings.
Runs in your browser — your files and text stay on your device
Encode or decode Base32 strings. Base32 uses an uppercase alphabet and digits, which makes it easier to read aloud and to type, and it's used in things like one-time password secrets. It runs in your browser.
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.