# lettertonumber.com llms.txt

> This website offers comprehensive online tools for text and number conversions, including letter-to-number encoding, ASCII conversions, Caesar cipher operations, and Roman numeral conversions, serving educational, practical, and cryptographic purposes.

## Core Conversion Tools
- [Letters to Numbers & Numbers to Letters Converter](https://lettertonumber.com/): Unified converter for bidirectional letter-number conversions using A1Z26, A0Z25, and custom mapping methods with real-time conversion and customizable separators.
- [ASCII Converter](https://lettertonumber.com/ascii/): Bidirectional text-to-ASCII converter for encoding text to ASCII decimal values and decoding ASCII codes back to readable text for programming and data processing applications.

## Cryptographic Tools
- [Caesar Cipher Suite](https://lettertonumber.com/caesar-cipher/): Complete Caesar cipher toolset for encryption and decryption with shift-based substitution methods.
- [Caesar Cipher Solver](https://lettertonumber.com/caesar-cipher/solver/): Advanced tool for breaking Caesar ciphers using frequency analysis and brute force techniques.
- [Caesar Cipher Wheel](https://lettertonumber.com/caesar-cipher/wheel/): Interactive visual cipher wheel for manual Caesar cipher operations and educational purposes.

## Additional Utilities
- [Roman Numeral Converter](https://lettertonumber.com/roman-numeral/): Bidirectional converter between Arabic numbers and Roman numerals with validation and historical context.