Base91 Encoder/Decoder Online | High Efficiency Text Encoding
Online Base91 encoding and decoding tool. Most efficient ASCII printable character encoding with 89% efficiency.
Base91 Encoder/Decoder
Instructions
- Encode text to Base91 format
- Decode Base91 strings back to text
- Most efficient ASCII printable character encoding
Base91 Knowledge
What is Base91?
Base91 is a highly efficient binary-to-text encoding scheme using 91 printable ASCII characters, achieving approximately 89% encoding efficiency.
Comparison with Other Encodings
Base91 is more compact than both Base64 (75% efficiency) and Base85 (80% efficiency), making it the most efficient known ASCII printable character encoding.
Key Features
- Approximately 89% encoding efficiency
- Uses 91 printable ASCII characters
- Variable-length encoding
Common Applications
- Compressed data transmission
- Bandwidth reduction
- Embedded system data storage