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Redmoon Calculators
Generators & word games

Tongue Twister Generator

Free tongue twister generator. Random easy / medium / hard tongue twisters from a curated collection, with one-click "hear it" using your browser's built-in speech.

Built and maintained by Paul Clark, Redmoon Software

When to use this

Tongue twisters are useful for speech warmups, ESL classrooms, voice actors, public speakers, podcasters, and anyone preparing to talk to a camera. They also fill awkward silences at parties.

How it compares

A focused alternative to the various tongue-twister pages cluttered with ads. Difficulty filtering and read-aloud are unusual to find together.

How it works

A random tongue twister is selected from the chosen difficulty pool on page load and again every time you tap "New".

The "Hear it" button uses your browser's built-in speech synthesis (Web Speech API) at a slightly slowed rate.

Difficulty bands are approximate — even "easy" twisters trip you up if said three times fast.

FAQs

Why does the "Hear it" button do nothing?

It uses your browser's built-in speech (Web Speech API). Some browsers and devices don't support it. Try Chrome or Edge on desktop.

How are difficulty bands assigned?

Easy = short and single-sound. Medium = classic twisters of 1-2 sentences. Hard = long, multi-sentence, or notoriously tripping.

Can I use these for ESL teaching?

Yes. Tongue twisters are a standard pronunciation drill for English learners. Start with easy.

Are these in the public domain?

Yes — all included twisters are traditional or generic enough to be freely usable.

Worked example

Input

Difficulty: medium.

Output

"She sells seashells by the seashore…"

A random tongue twister is selected from the chosen difficulty pool. Try saying it three times fast — and hit "Hear it" if you want the computer to attempt it first.

Common pitfalls

  • The browser's built-in speech voice varies — some are excellent, some are robotic.
  • Hard twisters are genuinely hard. Start with easy and build up.
  • Some twisters depend on a specific accent (US, UK) to land — they may not work universally.
  • The Web Speech API is not supported in every browser; the "Hear it" button is silent where unsupported.

Why they are hard

Tongue twisters exploit a specific weakness in speech production: rapid alternation between phonemes that share a place of articulation but differ in one feature. "She sells sea shells" alternates /s/ and /ʃ/, which are made in nearly the same position with a small tongue difference, and the motor plan for one keeps intruding on the other.

That is also why they are used clinically and in accent training — the difficulty is mechanical rather than about vocabulary, so they isolate articulation from meaning.

Using them well

Speed is the wrong first goal. The productive practice is slow and accurate repetition, building pace only once the sequence is reliable, because repeating an error at speed trains the error.

Difficulty is also personal in a way most word games are not: which twisters are hard depends on your native language and dialect, since the pairs that collide are the ones your phonology does not distinguish. A twister that is trivial for one speaker can be genuinely difficult for another, which is worth knowing before treating failure as a lack of effort.

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