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Delimiter Readability Checker

delimiter.live

Free plan Web
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Spec score 7.5 #20 of 25 in Readability Checkers

What it is

Delimiter Readability Checker is a free web tool that scores English text with Flesch Reading Ease, Flesch–Kincaid Grade, and Gunning Fog formulas. It shows sentence and syllable averages behind the scores, updates results automatically in the browser, and does not send entered text to a server. A Load file control accepts text, and a Copy control copies results. The page suggests checking public-facing copy, plain-English requirements, long articles, and draft rewrites. It includes sentence analysis and clarity recommendations, and no account is required. The formulas were calibrated on English prose, so scores for other languages are not meaningful. They assess sentence and word length rather than clarity, accuracy, or structure. Syllable counting is heuristic, so individual words may be counted incorrectly. The tool has a free plan at free, with no paywall. Support is available at [email protected], although replies are not instant and no response time is promised.

Spec sheet

Purpose
Scores text with Flesch Reading Ease, Flesch–Kincaid Grade and Gunning Fog formulas.Read 4 Oct 2026 · delimiter.live
Support
The site lists [email protected] for contact and says replies are not instant, with no response-time commitment.Read 4 Oct 2026 · delimiter.live
Automatic results
Results update automatically as text is analyzed on the device.Read 4 Oct 2026 · delimiter.live
Copy results
The tool provides a Copy control for results.Read 4 Oct 2026 · delimiter.live
File input
The tool includes a Load file control for text input.Read 4 Oct 2026 · delimiter.live
Interpretation limit
The formulas measure sentence and word length, not clarity, accuracy or structure.Read 4 Oct 2026 · delimiter.live
Language limitation
The formulas were calibrated on English prose, so scores for other languages are not meaningful.Read 4 Oct 2026 · delimiter.live
Local processing
Analysis runs in the browser and text entered is not sent to a server.Read 4 Oct 2026 · delimiter.live
Pricing and account
The tool is free and does not require an account.Read 4 Oct 2026 · delimiter.live
Score context
The tool shows sentence and syllable averages behind the scores.Read 4 Oct 2026 · delimiter.live
Supported use
The page suggests using it to check public-facing copy, plain-English requirements, long articles and draft rewrites.Read 4 Oct 2026 · delimiter.live
Syllable counting
Syllable counting is heuristic and individual words may be counted incorrectly.Read 4 Oct 2026 · delimiter.live

Plans and prices

Free Free No account required · no paywall Read 4 Oct 2026 · delimiter.live

Every Delimiter Readability Checker plan and price →

Strong points and limits

Strong points

  • Three established readability formulas
  • Browser-local analysis
  • Entered text stays off the server
  • No account or paywall
  • File loading and result copying

Limits

  • Scores are not meaningful for other languages
  • Formulas do not measure clarity or accuracy
  • Heuristic syllable counts can be wrong
  • Support has no response-time commitment

Who it suits

It suits writers reviewing English web copy, long articles, and rewrites. It is useful when browser-local processing and no account are priorities.

Verdict

Delimiter Readability Checker offers quick, private browser scoring for English text with three formulas and supporting averages. Treat its results as sentence-and-word-length indicators, not complete judgments of writing quality.

Where Specifiction places it

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