Tool
Random Letter Generator
Pick a random letter A-Z — for games, name generators, or classroom drills.
Random Letter Generator
One random letter, A through Z, with every letter getting an equal shot -- not weighted by how often each letter shows up in real English text.
For games, drills, and naming prompts that need a genuinely random starting letter.
Every draw is independent, so a rare letter like Q or Z can come up on consecutive draws just as easily as a common one.
How the Random Letter Generator works — and why it's fair
The 26-letter English alphabet doesn't divide evenly into 256 possible byte values (256 divided by 26 leaves a remainder), so drawing a letter with a plain byte-modulo-26 approach would very slightly favor the first few letters of the alphabet. This tool avoids that by using rejection sampling: it draws a random byte from crypto.getRandomValues and discards any value that would fall in that uneven leftover range, redrawing until it lands cleanly within a range that divides evenly by 26 -- the result is a genuinely equal 1-in-26 chance for every letter.
That's a deliberate design choice worth naming: this tool does not weight letters by their real-world English frequency the way a word-game tile bag might (where E and A are common and Q and Z are rare) -- it treats all 26 letters as equally likely, which is the right behavior for a fair random-letter draw even though it's not how Scrabble tiles are distributed.
The same 256-doesn't-divide-evenly problem shows up in the dice roller's d20 rolls and in this tool's 26-letter draw, but the fix -- rejection sampling -- is identical in principle even though the specific outcome count differs.
It's also worth naming a related but different tool people sometimes look for: a letter generator weighted by real English frequency (so E and A show up more, matching actual language use) serves a different purpose than this one, which is built for games and drills that specifically need every letter to have equal odds.
What a random letter is used for
Classroom teachers use it for alphabet games and spelling warm-ups. Party games like Scattergories-style category rounds or 'I packed my bag' memory games need a genuinely random starting letter each round. It's also a quick prompt generator for naming brainstorms -- 'think of a name starting with...'
Speech therapists sometimes use it for articulation drills, picking a random letter and having a client name words that start with it, which works better with a genuinely unweighted draw than a frequency-weighted one.
If you want a random emoji instead of a letter for a similarly quick prompt, the random emoji generator works the same equal-weight way over its fixed set.
Baby-name and brand-name brainstorming sessions sometimes use a random starting letter as a constraint to spark ideas that wouldn't come up if you just started from your usual go-to letters.
Frequently asked questions
Are all 26 letters really equally likely, or does the alphabet's start get an edge?
All equally likely -- rejection sampling specifically removes the small bias a naive approach would introduce.
Is it weighted like Scrabble tiles, so common letters come up more?
No -- every letter, common or rare, has the exact same 1-in-26 chance.
Can I exclude certain letters, like Q or X?
Not currently -- every draw pulls from the full A-Z set.
Uppercase or lowercase?
The letter itself is what's randomized; case is a display choice, not part of the random draw.
Why is rejection sampling needed for 26 letters but not for 8 directions?
8 divides evenly into 256 possible byte values with nothing left over, while 26 doesn't -- so only the 26-letter draw needs the extra correction step.
Could I get the same letter multiple times in a row?
Yes -- each draw is independent, so repeats across consecutive draws can happen by chance.
Is there a version that skips rare letters like Q, X, and Z?
Not currently -- every draw pulls from the complete 26-letter alphabet with equal odds for each.
Does the tool ever return the same letter back to back?
Yes -- each draw is independent, so getting the same letter twice in a row is possible and just as likely as any other two-draw sequence.
Is this suitable for generating a random license-plate-style string?
It generates one letter per draw; for a full alphanumeric string you'd combine repeated draws from this and the PIN or password generator yourself.