Zen Mode by Zen Mode Dev
Distraction-free reader mode with split view, read aloud, themes, fonts, images, links, and customizable reading controls.
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About this extension
Zen Mode turns cluttered webpages into a clean, customizable reading experience designed to help you focus on the content that matters.
Open an article and activate Zen Mode to remove distracting navigation, sidebars, ads, popups, and other page clutter. Read in a clean full-page view or use Split View to keep the original webpage and distraction-free article visible side by side.
Reader Mode
• Clean, distraction-free article extraction
• Full-page reading by default
• Resizable Split View with the original webpage
• Independent scrolling in Split View
• Preserves the important structure of articles
Read Aloud
• Listen to articles using your browser/device's available voices
• Play and pause narration at any time
• Skip forward or backward through reading sections
• Follow along with highlighting of the currently spoken text
• Adjustable reading speed and voice selection
Customize your reading experience
• Light, Dark and Sepia themes
• Multiple reader-friendly font choices
• Increase or decrease text size
• Adjustable line height
• Adjustable reading width
• Settings are remembered for future reading sessions
Images & Links — Your Choice
Zen Mode starts with a minimal reading experience, but you can choose to display article images and links whenever you need them. Images and links can be controlled independently from Settings.
Privacy-first
Zen Mode does not require an account and does not collect, sell, or transmit your personal data. Article processing happens locally in your browser, and your reading preferences are stored locally on your device.
Whether you're reading news, research, documentation, essays, Wikipedia articles, blog posts, or long-form content, Zen Mode gives you a calmer and more flexible way to read on Firefox.
Less clutter. More reading.
Open an article and activate Zen Mode to remove distracting navigation, sidebars, ads, popups, and other page clutter. Read in a clean full-page view or use Split View to keep the original webpage and distraction-free article visible side by side.
Reader Mode
• Clean, distraction-free article extraction
• Full-page reading by default
• Resizable Split View with the original webpage
• Independent scrolling in Split View
• Preserves the important structure of articles
Read Aloud
• Listen to articles using your browser/device's available voices
• Play and pause narration at any time
• Skip forward or backward through reading sections
• Follow along with highlighting of the currently spoken text
• Adjustable reading speed and voice selection
Customize your reading experience
• Light, Dark and Sepia themes
• Multiple reader-friendly font choices
• Increase or decrease text size
• Adjustable line height
• Adjustable reading width
• Settings are remembered for future reading sessions
Images & Links — Your Choice
Zen Mode starts with a minimal reading experience, but you can choose to display article images and links whenever you need them. Images and links can be controlled independently from Settings.
Privacy-first
Zen Mode does not require an account and does not collect, sell, or transmit your personal data. Article processing happens locally in your browser, and your reading preferences are stored locally on your device.
Whether you're reading news, research, documentation, essays, Wikipedia articles, blog posts, or long-form content, Zen Mode gives you a calmer and more flexible way to read on Firefox.
Less clutter. More reading.
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Permissions and data
Required permissions:
- Access browser tabs
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 2.0.11
- Size
- 55.53 kB
- Last updated
- a day ago (22 Aug 2026)
- Related Categories
- Licence
- Mozilla Public Licence 2.0
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection
The developer of this extension asks that you help support its continued development by making a small contribution.
The extension does not collect, store, transmit, or share any user data. No analytics, tracking, cookies, or third-party services are used. All processing happens locally in the user’s browser.
The homepage includes a privacy policy that reflects this behavior.