Follow a breathing guide.
Set how long to breathe in and out. No breath holds.
Fog Mode
Add to Chrome
Choose how you browse on brain-fog days.
Declutter articles, mark where you’re reading with a focus line and let the page scroll at your pace. Play background sound, take screen breaks and save where you left off.
Try it on this pageInteractive sample
Try Declutter or Focus line.
These samples only change this page.
Declutter articles
Read the article
without the clutter.
Just the article’s text, headings and links. Set the text size or let it scroll. Back to the page any time.
Try decluttering or the focus line
Choose a tool to try it.
Keep your place
with the focus line.
It follows your pointer and dims the rest of the page. Set its height, lock it, or move it with Alt and the arrow keys.
Bigger, roomier text.
Text size from 85% to 150%. Roomier text adds space between words, lines and paragraphs.
Reduce motion.
Fewer fading and sliding effects.
Scroll automatically
at your chosen speed.
Four speeds for any page or feed. Scroll yourself to pause. The clean reader has its own speed.
Pick a speed, then Start scrolling.Interactive sample
Scrolling stays inside this example.
Background sound
Play background sound
while you browse.
Play brown, pink or white noise, binaural beats or a plain tone. Set the volume and choose when the sound stops. Sound keeps playing after you close Fog Mode.
Use stereo headphones for binaural beats.
Sound samplerStopped
30-second sample
Generated on this device
In the extension, set sound to stop after 2, 5, 15 or 30 minutes.
Cover the page.
Take a screen break.
Cover the page for 1, 2, 5 or 10 minutes. Pause or end it any time.
Save and pick up
where you left off.
Pin a note to the page and drag it anywhere. Save your spot; the note’s page button takes you back.
- Save your place in the example.
- Move further down the page.
- Return to the saved position.
Saved notes stay on your device.
Save your place and return to itInteractive sample
Temporary, inside this example only.
Press Save this place, move down, then press Return.
Reading settings
Save your preferred
reading settings.
Pick Browse or Read, or save your own as My setup. The My reading settings switch turns them on or off for every page.
Browse
Original text, less motion.
Read
115% text, roomier spacing, focus line, less motion.
My setup
Your own text size, spacing, focus line and motion.
Every page
Change a setting, then press Keep on every page. Chrome asks once.
Stop all active tools.
Tools keep running after you close Fog Mode. Stop all turns them off. Your notes and settings stay.
Your notes stay in your browser.
Fog Mode stores notes, preferences and session history locally in your browser profile. You don’t need a Fog Mode account.
Export a backup, import it later or delete your saved data. There’s no cloud sync.
Read about your dataMore features and settings.
Page and focus line Text, motion and reading
- Text size from 85–150%
- Extra space between words, lines and paragraphs
- Focus line height: 32–240 pixels
- Page dimming: 0–60%
- Move it with your pointer or Alt and the arrow keys, or lock it
- Reduce motion
- Clean reader with its own text size and auto-scroll
- Four page-scroll speeds
- Scroll yourself to pause auto-scroll
- Leave any website alone
Notes and saved places Notes, page links and saved positions
- Up to 100 notes
- Optional title, page link, selected text and position
- A page button that takes you back to your place
- Hold my place (right-click)
- Edit and delete
- Drag notes anywhere
- Minimize, reopen or hide
- With website access, notes stay on screen across pages
Breaks and work sessions Screen breaks, breathing and focus timers
- Screen break and Breathe
- 1, 2, 5 or 10 minutes
- Pause, resume, end, hide and reopen
- Inhale choices from 3–6 seconds and exhale from 3–8
- Option to keep the breathing circle still
- Rate a break Easier, About the same or Harder
- Focus sessions of 5, 10, 15 or 25 minutes
- Reminders every 15, 30, 45, 60 or 90 minutes, as a mark on the toolbar icon
- Later and Off today
- Optional silent notifications
- Fog Mode keeps a history of up to 100 sessions in your browser and shows the most recent 12
Sound Noise, binaural beats and tones
- Brown, pink and white noise
- A 5 Hz beat with pink noise
- 4, 16 and 40 Hz binaural beats
- Plain 174, 432 and 528 Hz tones
- Volume from 0–50%
- A saved sound choice
- Auto-stop after 2, 5, 15 or 30 minutes
- Sound and screen breaks have separate timers
Access and data Open, stop, save and delete
- Open and close Fog Mode from Chrome’s toolbar, or press Alt, Shift and F together
- A floating button you can drag anywhere, off by default
- Hide it on websites you choose
- There’s also a separate control window
- Stop all ends active tools and preserves saved notes
- Export or import a backup file, delete notes, clear history or delete all data
- Website access and notifications are optional
- Appearance: System, Light, Dark or Matrix (green on black)
Frequently asked
questions.
Read the full FAQ Which browsers does it support?
Fog Mode works in desktop Chrome 120 and later. It doesn’t run on phones.
Browser details ↗Will it declutter any website?
No. The clean reader opens the main article. Elsewhere, you can still change text size and spacing, use the focus line and reduce motion.
Does closing Fog Mode stop everything?
No. Tools keep running. Stop all turns everything off and hides notes on the page. Your saved notes and settings stay.
Can I install it now?
Yes. Install Fog Mode free from the Chrome Web Store.
Try the clean reader
and the focus line.
Try the page tools Free for desktop Chrome.
Install Fog Mode