What is Base32 encoding?

Base32 is a binary-to-text encoding scheme that represents binary data using 32 ASCII characters (A-Z and 2-7). It's similar to Base64 but uses a smaller alphabet, making it more human-readable and less prone to errors when manually transcribed. Base32 encoding is commonly used in applications like TOTP authentication tokens, file-sharing systems, and data transmission where case-insensitive alphabets are beneficial.

Tool description

A fast and reliable Base32 validator that checks if strings are properly encoded in Base32 format according to RFC 4648 standards. This tool instantly verifies whether your input follows the correct Base32 encoding rules, helping you catch encoding errors and ensure data integrity. Perfect for validating authentication tokens, encoded data, or any Base32-formatted strings.

Features

  • Instant Validation: Real-time Base32 format checking as you type
  • RFC 4648 Compliance: Validates against standard Base32 encoding specification
  • Visual Feedback: Clear indicators for valid and invalid Base32 strings
  • User-friendly Interface: Simple input field with immediate results
  • Cross-platform Compatibility: Works on all modern browsers and devices
  • No Server Processing: All validation happens locally in your browser

Use Cases

  • Authentication Tokens: Verify TOTP/HOTP secret keys in Base32 format
  • Data Validation: Check if received Base32-encoded data is correctly formatted
  • API Testing: Validate Base32 parameters in API requests and responses
  • Development Testing: Test Base32 encoding/decoding logic in applications
  • Quality Assurance: Verify Base32 encoding in web applications and mobile apps
  • File Sharing: Validate Base32-encoded file identifiers or hashes
  • Database Records: Check Base32-encoded values before database operations
  • Configuration Files: Verify Base32-encoded settings and keys