Base32 Encode / Decode
Encode and decode Base32 strings online for free. Convert text to Base32 and back instantly.
About This Tool
Encode text to Base32 or decode Base32 strings back to plain text. Base32 is commonly used in TOTP secret keys, file systems, and data encoding where case-insensitivity is important.
How to Use
Enter Text
Type or paste your text or Base32 string.
Encode or Decode
Click Encode to convert to Base32, or Decode to convert back.
Copy Result
Copy the output to use in your project.
Use Cases
TOTP Secrets
Base32 is the standard encoding for TOTP/2FA secret keys.
Frequently Asked Questions
Is my data sent to a server?
No. All encoding and decoding happens locally in your browser.