Reading Ruler

Highlight one line at a time to aid reading focus.

Reading Ruler

A highlight bar follows your mouse to help you track lines while reading. Useful for dyslexia and reading focus.

How to use Reading Ruler

1
Navigate to the Reading Ruler tool above and enter or upload your input data.
2
Configure any available options or settings to match your needs.
3
Click the action button to process your input. Results appear instantly.
4
Copy or download the result. All processing happens in your browser — no data is sent anywhere.

Frequently Asked Questions

Is the Reading Ruler free to use?
Yes, Reading Ruler is completely free. No signup, no account, and no payment required. It will always be free.
Does Reading Ruler work on mobile?
Yes, this tool is fully responsive and works on all devices — mobile, tablet, and desktop. It runs entirely in your browser.
Is my data safe when using Reading Ruler?
Absolutely. All processing happens in your browser. Your data is never sent to any server and is not stored or logged anywhere.
Do I need to install anything?
No installation required. Reading Ruler works directly in your browser — just visit the page and start using it instantly.