Estimate readability and reading time for any page.
Analyze the text content of a public page to estimate Flesch Reading Ease, grade level, sentence complexity, and reading time.
Useful for content QA, editing workflows, and audience-fit checks.
What this tool helps you do
Flesch Reading Ease
Get a quick readability score based on text structure.
Grade-level estimate
See the approximate U.S. school grade level of the content.
Reading time
Estimate how long it takes to read the page at average speed.
How it works
Paste the URL.
Use any public article, docs page, or landing page.
Analyze the text.
The tool extracts readable content and computes metrics.
Review the scores.
Adjust content complexity to match your target audience.
Use cases
Where teams use this tool
Content editing
Check whether copy is too complex or too simple for the audience.
SEO briefs
Include readability benchmarks in content guidelines.
Prospect audits
Show clients how readable their current pages are.
Developer-friendly
Simple Worker endpoint
/api/check?url=https://example.comEach free tool runs as a small Cloudflare Worker with a public HTTP interface. That makes them useful for browser use, SEO pages, and automation flows.
Open source
Use the repo, fork it, or deploy your own copy
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