Base32 Decoder

Decodes a Base32 (RFC 4648) string back into text. Runs entirely in your browser — nothing is sent to a server.

Ad placeholder: Resp_Horizantal_1 (horizontal)
Ad placeholder: Resp_Square_1 (square)

Decodes a Base32 (RFC 4648) string back into text. Runs entirely in your browser — nothing is sent to a server.

Use cases

  • Reading the value of a TOTP secret or other Base32-encoded identifier
  • Verifying a Base32 value decodes to what you expect

Examples

Single character

MY======
f

FAQ

Is my data sent to a server?

No — this tool runs entirely in your browser.