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Search, compare, and use practical SEO tools for content, links, technical checks, and reporting.

Readability Tools

Readability Checker Tool

Analyze text complexity with a full readability dashboard covering major formulas in one place.

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Flesch Reading Ease Tool

Measure how easy your writing is to read on the classic 0 to 100 Flesch Reading Ease scale.

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Flesch-Kincaid Grade Tool

Estimate the U.S. school grade level needed to understand your writing using Flesch-Kincaid Grade.

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Gunning Fog Index Tool

Estimate the years of formal education needed to understand your writing using the Gunning Fog Index.

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SMOG Index Tool

Measure reading grade level with the SMOG Index, a strong choice for technical and high-comprehension content.

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Readability Analysis Tool

Compare readability formulas side by side and analyze how sentence length, syllables, and word difficulty shape your text.

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Automated Readability Index Tool

Calculate approximate reading grade level with the Automated Readability Index using characters and sentence length.

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Coleman-Liau Index Tool

Estimate grade level with the Coleman-Liau Index, which relies on character counts instead of syllables.

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Dale-Chall Readability Tool

Estimate content difficulty with a Dale-Chall style score based on sentence length and familiar-word coverage.

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LIX Readability Score Tool

Use the LIX formula to evaluate readability through sentence length and the percentage of long words.

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RIX Text Complexity Tool

Measure text complexity quickly with RIX by tracking how many long words appear in each sentence.

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