Text to Base32 Converter
Encode plain text/ASCII to Base32 encoded data
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Base32 Encoding Principle
Text → bytes → 5-bit chunks
RFC 4648 alphabet A-Z, 2-7
Pad to 40 bits, add = padding
Encode ASCII text to Base32 (RFC 4648). Group 8-bit bytes into 5-bit chunks, map each to a Base32 character, pad to 40-bit blocks.
⚠
Supports all ASCII text. Padding = added automatically if needed.
What is Base32?
Base32 is a binary-to-text encoding using 32 characters (5 bits per character, RFC 4648).
5 Bits/Char
Each character 5 bits, 8 chars = 40 bits = 5 bytes.
Case Insensitive
A-Z and a-z are equivalent.
URL Safe
No special characters, safe for URLs.
Padding
Uses = for padding to 40-bit blocks.
💡 Teaching Example: "Hello" → JBSWY3DP.
Applications
Data Encoding
URLs
Cryptography
DNS
Frequently Asked Questions
What is Base32 encoding?▼
Base32 is a binary-to-text encoding using 32 characters, typically A-Z and 2-7, with optional padding.
How to encode to Base32?▼
Group 8-bit bytes into 5-bit chunks, each maps to a Base32 character, pad to 40 bits.
Base32 vs Base64?▼
Base32 uses 5 bits per character vs Base64 6 bits. Base32 is case-insensitive and URL-safe.
What characters are in Base32?▼
RFC 4648 Base32 uses A-Z and 2-7, padding with = characters.
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