Readability Tool

A fast web tool that analyzes text for readability, complexity, and clarity to help writers improve communication and accessibility.

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About This Tool

The tool accepts plain text input and returns multiple readability metrics that quantify how easy a passage is to read. It computes scores from established formulas such as Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog, SMOG, and Coleman-Liau, alongside basic counts like words, sentences, and syllables. Conceptually, it analyzes lexical difficulty, sentence length distribution, and structural complexity to produce a composite readability profile. Beneficiaries include editors aiming to simplify manuals, marketers refining web copy, educators creating student-friendly materials, and product teams improving user communications. Unique value lies in cross-metric reporting, per-mentence insights, and optional rewrite suggestions that preserve meaning while reducing difficulty. Core features include multi-formula scoring, language-aware adjustments, and export options for integration into editorial workflows. Use cases span blog posts, help articles, emails, and policy documents, where measured readability correlates with comprehension and accessibility.

How to Use

  1. Provide inputs: paste the text or upload a document.
  2. Choose language and metrics: select the formulas you want to run and target language.
  3. Run analysis: execute the calculation to generate scores and insights.
  4. Review outputs: examine overall scores, per-metric details, and highlighted phrases.
  5. Export or share: download JSON/CSV or copy the summary for reports.
How to use online readability checker

Frequently Asked Questions

Find Quick Answers

What formulas are used by the tool?
The tool computes Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog, SMOG Index, and Coleman-Liau. It also reports word/sentence counts, syllables per word, and flags potential complexity issues.
Can I analyze non-English text?
Yes, language selection adjusts metric applicability. English is fully supported; some formulas are adapted for other Latin-script languages. Results for non-English text may vary in precision due to formula calibration.
Can I export results for workflow integration?
Yes. Results can be exported as JSON or CSV. You can also copy a summary for inclusion in reports or editorial briefs.
What should I do with the results?
Use the scores and highlighted phrases to target readability improvements. Consider rewriting complex segments, shortening long sentences, and replacing jargon with clearer alternatives to enhance comprehension and accessibility.

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