Random Letter Generator
Generate random letters instantly. Choose uppercase, lowercase, or both. Batch generation up to 50. Cryptographically secure, runs in your browser.
Reference
How are random letters generated?
This tool picks random letters from the English alphabet using crypto.getRandomValues() for cryptographically secure selection. Each letter has exactly equal probability of being chosen (1/26 for single case, 1/52 for both). A bias-elimination algorithm ensures perfect uniformity.
Common uses
- Word games — generate starting letters for Scrabble, Boggle, or word challenges.
- Teaching — practice letter recognition and spelling with random prompts.
- Creative writing — use random letters as inspiration for alliterative writing or name generation.
- Testing — generate random character data for software testing.
Privacy
All letters are generated 100% in your browser. No data is sent to any server.