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Base32 Encode/Decode

Encode text to Base32 or decode Base32 back to plain text (RFC 4648).

FAQ

Is this Base32 tool free?

Yes.

What Base32 alphabet is used?

RFC 4648 standard alphabet (A-Z, 2-7) with optional padding.

Is my input uploaded?

No. Encoding and decoding happen locally in your browser.

How To Use It

Base32 vs Base64: When to Use Each

Base32 is case-insensitive and avoids confusing characters.

Perfect for things like TOTP 2FA secrets.

Base32 produces longer output but is more human-friendly.

Common Uses of Base32

TOTP (Time-Based One-Time Password) secrets are Base32 encoded.

DNS sometimes uses Base32 to avoid case sensitivity issues.

Related Tools

Base64 Encode / Decode

Encode text as Base64 or decode Base64 back to UTF-8 text.
Base64URL Encode / Decode

Encode text as Base64URL or decode URL-safe Base64 back to UTF-8 text.
Hex Encode / Decode

Convert UTF-8 text to hex bytes or decode hex back into text.
Good to know

Runs in your browser

Paste your input at the top and the result shows up right below. The FAQ and related tutorials are there if you want more.

  • Most tools run entirely in your browser.
  • Your input isn't sent to a server unless a tool says it makes a network request.
  • Related tools and tutorials sit below when a task usually needs a follow-up.