Delimiter Readability Checker
- Android app
- Not listed
- Free plan
- Yes
- Runs on
- Web
Summary
Delimiter Readability Checker is a free web tool for estimating the reading difficulty of English text. It scores text with Flesch Reading Ease, Flesch–Kincaid Grade, and Gunning Fog, and shows sentence and syllable averages behind the results. Analysis runs in the browser and updates automatically; text entered is not sent to a server. A Load file control accepts text input, while a Copy control lets users copy results. The page suggests checking public-facing copy, plain-English requirements, long articles, and draft rewrites. The tool also includes sentence analysis and clarity recommendations, and it requires no account. Its scores have important limits: the formulas were calibrated on English prose, so results for other languages are not meaningful. They assess sentence and word length rather than clarity, accuracy, or structure. Syllable counts are heuristic, so individual words may be counted incorrectly. The site lists [email protected] for contact, but says replies are not instant and gives no response-time commitment.
Who it is for
This tool suits writers reviewing English text for reading difficulty, including public-facing copy, long articles, or draft rewrites. It may also help when plain-English requirements apply.
What is good
- Scores text with three readability formulas.
- Shows sentence and syllable averages.
- Analysis runs in the browser without sending text to a server.
- Free to use without an account.
What to know first
- Scores are not meaningful for languages other than English.
- Formulas do not measure clarity, accuracy, or structure.
- Heuristic syllable counts can miscount individual words.
- Contact replies have no stated response-time commitment.
Verdict
Delimiter Readability Checker gives quick formula-based scores and supporting sentence and syllable averages without sending entered text to a server. Treat its results as estimates of text length, not a complete assessment of writing quality.
Delimiter Readability Checker plans and pricing
All plansCompared on readability checkers
- Free plan
- Yesdelimiter.live
- Readability formulas
- 3 formulasdelimiter.live
- Sentence analysis
- Yesdelimiter.live
- Clarity recommendations
- Yesdelimiter.live
- Language support
- englishdelimiter.live
Facts
- Purpose
- Scores text with Flesch Reading Ease, Flesch–Kincaid Grade and Gunning Fog formulas.delimiter.live · 4 Oct 2026
- Score context
- The tool shows sentence and syllable averages behind the scores.delimiter.live · 4 Oct 2026
- Local processing
- Analysis runs in the browser and text entered is not sent to a server.delimiter.live · 4 Oct 2026
- Automatic results
- Results update automatically as text is analyzed on the device.delimiter.live · 4 Oct 2026
- File input
- The tool includes a Load file control for text input.delimiter.live · 4 Oct 2026
- Copy results
- The tool provides a Copy control for results.delimiter.live · 4 Oct 2026
- Supported use
- The page suggests using it to check public-facing copy, plain-English requirements, long articles and draft rewrites.delimiter.live · 4 Oct 2026
- Language limitation
- The formulas were calibrated on English prose, so scores for other languages are not meaningful.delimiter.live · 4 Oct 2026
- Interpretation limit
- The formulas measure sentence and word length, not clarity, accuracy or structure.delimiter.live · 4 Oct 2026
- Syllable counting
- Syllable counting is heuristic and individual words may be counted incorrectly.delimiter.live · 4 Oct 2026
- Pricing and account
- The tool is free and does not require an account.delimiter.live · 4 Oct 2026
- Support
- The site lists [email protected] for contact and says replies are not instant, with no response-time commitment.delimiter.live · 4 Oct 2026
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Sources
- delimiter.live/tools/readability-checker· checked 4 Oct 2026
- delimiter.live/contact· checked 4 Oct 2026