Readability Checker for SEO – Flesch Score & Grade Level Free
Check content readability with Flesch Reading Ease score and grade level. Analyze pasted text or fetch from any URL. Free SEO readability tool.
100% Private
No Upload
Instant
What is Readability Checker?
Readability scores measure how easy your content is to read. Google favors content that matches user intent and is accessible. Flesch Reading Ease scores above 60 are considered easy to read.
How to Use Readability Checker
- 1Paste text or enter a URL.
- 2Review Flesch Reading Ease and grade level.
- 3Simplify sentences if the score is below 50.
Key Features
- ✓Flesch Reading Ease score
- ✓Flesch-Kincaid grade level
- ✓Word count and reading time
- ✓URL or text input
Benefits
- →Match content complexity to your audience
- →Improve engagement and time on page
Why Use Irreva for Readability Checker?
Runs 100% in your browser — files never leave your device.
No account, no sign-up, no subscription — free forever.
Works on any device: desktop, tablet, or mobile.
No file size limits from our infrastructure.
Instant results — no server round-trip latency.
Open-source libraries and transparent processing.
Frequently Asked Questions
What Flesch score is best for web content?
Aim for 60–70 (standard/easy) for general web content. Technical topics may score lower naturally.
Rate Readability Checker
How useful was this tool?
Related Free Tools
Content Length CheckerCheck word count, character count, paragraph count and reading time for any text or URL. Compare against SEO content length benchmarks.Keyword ExtractorExtract top keywords from any text or URL. Shows frequency, density percentage, and relevance score. Export as CSV. Free.SEO CheckerAnalyze any URL for on-page SEO issues. Checks title, meta description, H1, canonical URL, Open Graph, structured data, response time and 10+ more signals.
