Readability Score
Calculate Flesch reading ease and grade level.
What is the Readability Score?
Calculate Flesch reading ease and grade level.
It runs 100% in your browser — your files never leave your device, no signup is required, and there are no usage limits or watermarks.
How to Use the Readability Score
- Paste, drop, or type your input into the tool above.
- Adjust the options to match what you need.
- Preview the result before copying or downloading.
- Everything is generated on your device — nothing is uploaded.
Why Use Our Readability Score?
- 100% private — files never leave your device.
- No signup, no email, no limits — completely free.
- Works on any device — desktop, tablet, mobile.
- No watermarks, no hidden fees.
Frequently Asked Questions
Is the Readability Score free?
Yes — completely free with no signup, no email, and no usage limits.
Are my files uploaded to a server?
No. Everything runs in your browser using JavaScript. Your files never leave your device.
Do I need to install anything?
No — just open this page in any modern browser (Chrome, Firefox, Safari, Edge).
Does the Readability Score work on mobile?
Yes, on iOS and Android browsers. Very large files are best handled on desktop.
Is there a file size limit?
No hard limits. Files under 100 MB work well on most devices.
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