Create random letter strings, practice sets, test data, and quick alphabet samples. Choose the letter source, control casing and separators, allow or block repeats, and use a seed when you need the same result again.
Random letters are useful for classroom activities, spelling games, test data, layout placeholders, code samples, quick labels, and simple creative prompts. The tool works fully in the browser and adjusts cleanly for phones, tablets, laptops, and desktop screens.
Allow repeats when you want a natural random stream, test string, or longer sample. Choose unique only when you want each available letter to appear at most once.
If unique mode is active and the requested count is larger than the available letter set, the tool returns the maximum unique letters it can create from that set.
Yes. Use the letter source control to switch between the full alphabet, vowels only, consonants only, or your own custom set.
Yes. Choose no separator and the output will appear as one continuous string of random letters.