Reading & Accessibility

Bionic Reader

A customizable PDF reading workspace with emphasis, themes, focus aids, progress, and export.

A focused workspace for one practical job

  • PDF processing in the browser
  • Adjustable bionic-reading emphasis
  • Reading ruler, themes, and typography controls
  • HTML and print-friendly export options

Useful for: Long PDFs · Focus support · Custom reading views.

Very large or complex PDFs may require more memory, and browser PDF support varies by device.

How to use Bionic Reader

  1. Open Bionic Reader and choose a PDF from your device.
  2. Select the emphasis strength and reading preferences.
  3. Use the ruler, themes, and typography controls as needed.
  4. Continue from the locally stored reading position.
  5. Export or print the adjusted reading view when useful.

Your working content stays separate from Analytics.

The tool processes working content in your browser. Google Analytics may measure broad page usage, but it does not receive the text, documents, generated audio, or other working content you use inside the tool. Browser storage may retain preferences or history on your device.

Read the Tools privacy details

Did this tool help?Your support helps us maintain free browser tools and keep improving the Tools collection.

Buy Me a Coffee