text validator

Readability Checker

Estimate readability with Flesch Reading Ease.

Results

Paste input and validate locally.
Status
Ready when you validate.
Details
Ready when you validate.
Flesch score
Ready when you validate.
Words
Ready when you validate.
Sentences
Ready when you validate.
Syllables
Ready when you validate.

Rules & checks

Scores based on words, sentences, and syllables.

Targets 60+ for general audiences.

Runs entirely in-browser.

When to use it

  • Check support articles and onboarding flows for clarity
  • QA marketing copy before launch
  • Ensure documentation is accessible to broader audiences

Tips

  • Use shorter sentences and common words to raise the score
  • Combine with word count to hit channel-specific limits

Examples

High score

  • Short sentences and simple words -> score > 70

Lower score

  • Long complex sentences -> score < 60

FAQs

Is this a grammar check?
No. It estimates readability only; run grammar checks separately.
Is 60 always the target?
60–70 suits general audiences; technical docs may score lower.

Related validators

Heuristic only; not a substitute for human editing.