Random Letter Generator (A–Z & International Alphabets)
Pick random letters from A to Z for games like Scattergories, spelling practice, and random sampling.
Privacy First: 100% Client-Side Processing
Processed in your browser. Files are never uploaded.
How to Use the Random Letter Generator
- 1Select your alphabet (English A–Z, Greek, or Custom Character Set).
- 2Choose letter casing (UPPERCASE, lowercase, or Mixed).
- 3Select how many letters to generate (1 to 26) and toggle 'Allow Duplicates' on or off.
- 4Click 'Generate Letter' to see animated random selection.
Formula & How It Works
Cryptographic Uniform Selection
Generates an unbiased uniform distribution across the selected alphabet using crypto.getRandomValues, avoiding modulo bias through rejection sampling.
Worked Examples
Scattergories Round Letter
Input: 1 Letter, Uppercase, Exclude Q, X, Z
Explanation: Picks a fair, playable consonant for word-recall games.
Random 5-Letter String
Input: 5 Letters, No Duplicates
Explanation: Guarantees no repeated characters in the generated sequence.
Frequently Asked Questions
Can I exclude difficult letters like Q, X, and Z?▼
Yes, you can toggle exclusions for infrequent letters to keep board games balanced and fun.
Is each letter picked with equal probability?▼
Yes, every character in the active set has an identical 1/N chance of selection.
Can I generate lowercase letters?▼
Yes, you can choose uppercase, lowercase, or a combination of both.
Does it support international alphabets?▼
Yes, options for Greek, Cyrillic, and custom custom character strings are included.
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