Free Tool

Random Letter Generator

Generate random letters instantly. Choose how many, pick uppercase, lowercase or mixed, and allow or block repeats. One-click copy.

6
126

Case Style

Repeat Letters

Generated Letters

UDNDFP
6 letters · Uppercase · Repeats allowedU D N D F P

Quick Presets

About Random Letter Generator

About This Random Letter Generator

This tool generates random letters from the English alphabet in an instant. Choose how many letters you need (1 to 26), pick a case style, and decide whether repeats are allowed. Hit Generate — or just tweak any setting — and your letters appear immediately. One click copies the result to your clipboard.

Options Explained

  • Count (1–26): How many letters to include in the result.
  • Uppercase: All letters returned in capital form (A, B, C…).
  • Lowercase: All letters returned in small form (a, b, c…).
  • Mixed Case: Each letter is independently randomised to upper or lower.
  • Allow Repeats: The same letter can appear more than once (sampling with replacement).
  • No Repeats: Each letter appears at most once (sampling without replacement, max 26).

Common Uses

  • Spelling and alphabet games for kids
  • Scrabble tile drawing and word games
  • Creative writing prompts — start a story with a random letter
  • Random shuffle of the full alphabet (set count to 26, no repeats)
  • Classroom activities and educational exercises
  • Placeholder seeds for design mockups

How the Randomisation Works

The generator uses the browser's built-in Math.random() to select letters. For no-repeats mode it performs a Fisher-Yates shuffle on the 26-letter alphabet and takes the first N letters — guaranteeing an unbiased random sample. All processing happens in your browser; no data is sent to a server.

Got questions?

Frequently Asked Questions

Everything you need to know about our tools. Can't find what you're looking for? Contact us.

What is a random letter generator?

A random letter generator picks letters from the alphabet at random. You control how many letters to generate (1–26), the case (uppercase, lowercase, or mixed), and whether the same letter can appear more than once. Common uses include games, education, creative writing prompts, and sampling exercises.

How does the no-repeats option work?

When "No Repeats" is enabled, each generated letter can only appear once in the result — similar to drawing letters from a bag without replacement. Because there are only 26 letters in the alphabet, the maximum count is capped at 26 when this option is on.

What is mixed case?

Mixed case means each letter is independently and randomly assigned to either uppercase or lowercase. The result is a random blend like "aKmBzQ". Useful for random passwords seeds, creative typography, or games.

Is the generator truly random?

The generator uses the browser's built-in Math.random(), which is a pseudo-random number generator (PRNG). It produces statistically unpredictable results suitable for games, education, and everyday tasks. It is not cryptographically secure — for cryptographic purposes use a dedicated CSPRNG.

What can I use random letters for?

Common uses: spelling games and activities for kids, Scrabble-style tile drawing, random word-start prompts for creative writing, classroom alphabet games, letter-frequency sampling, generating placeholder text seeds, and board game mechanics.

Can I generate all 26 letters in random order?

Yes. Set the count to 26, enable "No Repeats", and hit Generate. This produces a full random shuffle of the alphabet — every letter exactly once in a random order.