# AlphaCoder — Text & Cipher Conversion Toolkit
> The internet's most comprehensive letters-to-numbers converter.
> 27 tools, 31 educational guides, 7 reference charts, 5 worksheets.
> All conversions run client-side. No data uploaded.

## Core Tools
- [Letters to Numbers Converter](/): A1Z26, ASCII, Binary, Hex, T9 & more
- [Numbers to Letters](/numbers-to-letters): Reverse conversion (numbers back to text)
- [Number to Letter](/number-to-letter): Single number to letter lookup
- [A1Z26 Cipher](/a1z26-cipher): Classic alphabet position cipher (A=1 B=2)
- [ASCII Converter](/ascii-converter): Text to ASCII decimal codes
- [Binary to Text](/binary-to-text): Text to binary and binary to text
- [Morse Code Translator](/morse-code-translator): Text to Morse code dots and dashes
- [Caesar Cipher](/caesar-cipher): Shift-based encryption with adjustable key
- [ROT13](/rot13): Rotate-13 encoding (self-reciprocal Caesar shift)
- [Word Value Calculator](/word-value-calculator): Sum of letter positions in a word
- [Hex Converter](/hex-converter): Text to hexadecimal encoding

## Specialized Tools
- [Alphabet Position Calculator](/alphabet-position-calculator): Find any letter's position number
- [Atbash Cipher](/atbash-cipher): Mirror alphabet substitution (A=Z, B=Y)
- [Base64 Encoder](/base64-encoder): Base64 encode and decode
- [Cipher Identifier](/cipher-identifier): Auto-detect cipher type from ciphertext
- [Excel Column Converter](/excel-column-converter): Column letters to numbers (AA=27)
- [Gematria Calculator](/gematria-calculator): Hebrew/English gematria values
- [Letter Number Cipher Decoder](/letter-number-cipher-decoder): Multi-method cipher decoder
- [Name to Number](/name-to-number): Convert names to numeric values
- [Numerology Calculator](/numerology-calculator): Life path and destiny numbers
- [Phone Number to Letters](/phone-number-to-letters): Phone keypad letter combinations
- [Secret Message Encoder](/secret-message-encoder): Encode secret messages with multiple ciphers
- [T9 Converter](/t9-converter): Phone keypad T9 predictive text encoding
- [Text to Binary](/text-to-binary): Convert text to binary representation
- [Unicode Converter](/unicode-converter): Text to Unicode code points
- [Vigenere Cipher](/vigenere-cipher): Polyalphabetic keyword cipher
- [Word to Number](/word-to-number): Convert words to numeric equivalents

## Reference Charts
- [Alphabet Number Chart](/alphabet-number-chart): A=1 to Z=26 complete reference
- [ASCII Table](/ascii-table): Full 128-character ASCII reference table
- [Binary Chart](/binary-chart): Letters in binary (8-bit representation)
- [Cipher Comparison Chart](/cipher-comparison-chart): Side-by-side cipher comparison
- [Morse Code Chart](/morse-code-chart): Complete Morse code dots and dashes
- [Printable Alphabet Chart](/printable-alphabet-chart): Print-ready alphabet position chart
- [T9 Keypad Chart](/t9-keypad-chart): Phone keypad letter mapping reference

## Educational Guides
- [A1Z26 Cipher Complete Guide](/learn/a1z26-cipher-complete-guide): Everything about A1Z26
- [A1Z26 vs ASCII vs Binary](/learn/a1z26-vs-ascii-vs-binary): Comparison of three encoding methods
- [Alphabet Position of Every Letter](/learn/alphabet-position-of-every-letter): Quick reference A-Z positions
- [ASCII vs A1Z26](/learn/ascii-vs-a1z26): Differences between ASCII and A1Z26
- [Best Cipher for Beginners](/learn/best-cipher-for-beginners): Which cipher to learn first
- [Encoding vs Encryption vs Hashing](/learn/encoding-vs-encryption-vs-hashing): Key differences explained
- [Escape Room Ciphers](/learn/escape-room-ciphers): Ciphers commonly used in escape rooms
- [Geocaching Cipher Guide](/learn/geocaching-cipher-guide): Decoding geocaching puzzle caches
- [History of Ciphers](/learn/history-of-ciphers): From ancient Rome to modern computing
- [Letters to Numbers for Birthdays](/learn/letters-to-numbers-birthday): Birthday encoding and numerology
- [Letters to Numbers in C#](/learn/letters-to-numbers-csharp): C# implementation guide
- [Letters to Numbers in Excel](/learn/letters-to-numbers-excel): Excel formulas for conversion
- [Letters to Numbers in Google Apps Script](/learn/letters-to-numbers-google-apps-script): Apps Script functions
- [Letters to Numbers in Google Sheets](/learn/letters-to-numbers-google-sheets): Google Sheets formulas
- [Letters to Numbers in Java](/learn/letters-to-numbers-java): Java implementation guide
- [Letters to Numbers in JavaScript](/learn/letters-to-numbers-javascript): JS charCodeAt and fromCharCode
- [Letters to Numbers Methods Compared](/learn/letters-to-numbers-methods-compared): All conversion methods compared
- [Letters to Numbers in Numerology](/learn/letters-to-numbers-numerology): Numerological letter values
- [Letters to Numbers in PHP](/learn/letters-to-numbers-php): PHP ord() and chr() functions
- [Letters to Numbers in Python](/learn/letters-to-numbers-python): Python ord(), chr() and more
- [Letters to Numbers in SQL](/learn/letters-to-numbers-sql): SQL ASCII() and CHAR() functions
- [Letters to Numbers for Tattoos](/learn/letters-to-numbers-tattoo): Tattoo design number encoding
- [Letters to Numbers Teaching Activities](/learn/letters-to-numbers-teaching-activities): Classroom activities
- [Letters to Numbers in VBA](/learn/letters-to-numbers-vba): Excel VBA macro implementation
- [Secret Codes for Kids](/learn/secret-codes-for-kids): Fun ciphers for children
- [What Letter is 13?](/learn/what-letter-is-13): The letter M is #13
- [What Letter is 20?](/learn/what-letter-is-20): The letter T is #20
- [What Number is A?](/learn/what-number-is-a): A is the 1st letter
- [What Number is Each Letter?](/learn/what-number-is-each-letter): Complete A-Z number mapping
- [What Number is M?](/learn/what-number-is-m): M is the 13th letter
- [What Number is Z?](/learn/what-number-is-z): Z is the 26th letter

## Worksheets
- [Alphabet Cipher Worksheet](/worksheets/alphabet-cipher-worksheet): Printable A1Z26 practice
- [Binary Code Worksheet](/worksheets/binary-code-worksheet): Binary conversion exercises
- [Morse Code Practice](/worksheets/morse-code-practice): Morse code drills and puzzles
- [Secret Code Kids Activity](/worksheets/secret-code-kids-activity): Fun cipher activities for kids

## Hub Pages
- [Learn Hub](/learn): All educational guides and tutorials
- [Worksheets Hub](/worksheets): All printable worksheets and puzzles
- [About](/about): About AlphaCoder
- [Privacy Policy](/privacy-policy): Privacy and data handling policy