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Readability Test

Check how easy your writing is to read. Enter a URL, paste text or upload a file to get six standard readability scores, with hard sentences, passive voice and adverbs highlighted.

Enter a URL

Type or paste the URL to find out the readability score for your website.

http://www.example.com/ for a complete web page.

http://www.example.com/#mainContent for part of a page, based on a content area inside a container such as <div id="mainContent">.

Testing only the main content removes the skew caused by menus and other navigation text.

Readability

Flesch Reading Ease

0

Add your content to begin
Very difficultIdeal 60–70Very easy
Words0
Sentences0
Min read0
Average grade level—

Your readability score, grade level and personalised tips will appear here.

A Readability Checker Built for Real Work

Test a whole page, a single section or a draft you are still writing.

Best tool available

Test all or part of a web page, upload a document or simply type your text. You can even link to the tool from your own pages and it will score the page that sent the visitor.

Who is it for?

Developers, copywriters, marketers, usability testers and SEO specialists all have plenty on their minds. A simple interface means beginners and experts get answers in seconds.

What does it do?

It takes the text of your page or document and scores it with the six most widely used readability formulas, then shows you exactly which sentences and words are holding it back.

Why Is Readability Important?

What you say matters less if people cannot follow how you say it.

The average American adult reads at roughly a 7th to 9th grade level. Keeping your content in that range is one of the simplest ways to reach more people, because every extra bit of effort a reader needs is a reason to leave.

Readability is not about dumbing things down. It is about matching your writing to the audience. A medical journal can use specialist language, but a service page for homeowners should not read like one. When writing does not match what readers expect, they start noticing the style instead of the message.

It is hard to write at a consistent level, especially when it differs from your natural style. Checking content while you create it lets you adjust as you go instead of rewriting at the end.

Clear writing also helps in search. Pages that give direct answers, use short paragraphs and stay well structured are easier for people to scan and easier for search engines and AI assistants to understand and quote.

Use this tool to measure your content and fine-tune it for the people you want to reach. Poor readability can undo great ideas.

How to Improve Your Readability Score

Practical edits you can apply to your next page, post or email.

Shorten sentences and paragraphs

Readers skim the web. Aim for sentences of about 15 to 20 words and paragraphs of around three sentences, with lines of 50 to 60 characters.

Be concise

Cut flowery phrases and repeated points. Get to the answer first, then add detail for the readers who want it.

Avoid technical language

Unless you write for a niche group, replace jargon with plain words. People trust writers who make hard topics easy to follow.

Use lists and headings

Bulleted lists and clear headings make key points stand out and help readers find what they need without reading every word.

Prefer the active voice

Say who does what. "We tested the page" is shorter and clearer than "The page was tested". Check the green highlights for passive phrases.

Trim adverbs

Words like "really" and "extremely" often add length without meaning. Choose a stronger verb instead. Adverbs are marked in blue.

Understanding Your Flesch Reading Ease Score

Higher scores mean easier text. Most web content works best between 60 and 70.

ScoreDifficultyTypical gradeWho can read it easily
90 – 100Very easy5th gradeMost 11-year-olds
80 – 90Easy6th gradeConversational English for most adults
70 – 80Fairly easy7th gradeMost adult readers
60 – 70Plain English8th – 9th gradeThe general public (ideal for web content)
50 – 60Fairly difficult10th – 12th gradeHigh school graduates
30 – 50DifficultCollegeCollege students and professionals
0 – 30Very difficultCollege graduateSpecialists and academic readers

Frequently Asked Questions

Quick answers about readability scores and how to use this tool.

You can enter a web page URL, paste your text, upload a TXT, DOC or DOCX file, or add a link to your own pages that opens this tool with the page already loaded.
Anyone. Content writers, marketers, developers, SEO specialists, teachers and students can all use it to check that their writing is clear for the audience they want to reach.
It scores your text with six standard formulas: Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog, Coleman-Liau Index, Automated Readability Index (ARI) and SMOG Index. It also highlights hard sentences, very hard sentences, passive voice and adverbs.
Besides the six scores, you get the number of sentences and words, complex words and their percentage, average words per sentence, average syllables per word, character count, and estimated reading and speaking time.
A readability score estimates how much education a person needs to understand a piece of text easily. Most formulas combine sentence length with word length, measured in syllables, letters or the share of long words. Shorter sentences and simpler words give an easier score.
For the general public, aim for a Flesch Reading Ease score of 60 to 70, which is roughly an 8th to 9th grade level. Specialist content such as medical or legal writing can score lower, but it should still match what your readers expect.
Shorten your sentences and paragraphs, cut filler words, replace jargon with plain language, prefer the active voice, remove unnecessary adverbs, and use headings and lists so readers can scan. Then run the test again to see the change.
Pages built with JavaScript frameworks such as React or Vue often load their text after the page opens, so the tool cannot see it. Copy the text from the page and paste it into the Enter Text tab instead.
Not by URL, because the tool cannot sign in to see content behind a login or form. Copy the text and paste it into the Enter Text tab.
Check after every major page update, whenever your target audience changes, and after a rebrand or content merger. A regular review keeps older pages consistent with your newer ones.
Clear, concise and well-structured writing is easier for people and for AI-powered search tools to understand and quote. A Flesch Reading Ease score between 60 and 70 is a sensible target, although no score can guarantee visibility.
The formulas were designed for English, so scores for other languages are only a rough guide. For the most reliable results, test English text.
Text you paste is analysed in your browser. If you test a URL or upload a DOC or DOCX file, it is sent to our server only to extract the text, and it is not saved.

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