Open a Doc or Sheet
mono runs only on Google Docs and Google Sheets pages, and only once you open it from the toolbar.
Dark mode for Google Docs and Sheets
Quiet Docs.
Quiet Sheets.
Dark mode follows your system, or you can set it yourself. Grayscale removes every color with one separate switch, only when you want it.
Coming soon to the Chrome Web Store
See pricing
mono
Google Docs
Appearance
Dark mode
On
✓
Follow system
Switch with your system theme
Grayscale
Remove all color
A simple appearance switch
Open. Switch. Done.
Switch dark mode
Turn it on manually, or check Follow system to match dark mode to your OS automatically.
Add grayscale if you want it
A separate switch removes all color. Turn it off any time; dark mode keeps working on its own.
Deliberately small
Appearance only. Nothing else.
mono changes how a Doc or Sheet looks. It does not read, store, or change the document itself.
Dark mode, your way
Set it manually or let it follow your system appearance. Either way, switching is instant.
Grayscale, independent
A second switch removes all color from the page. It works with dark mode or without it.
One file free, forever
The free tier styles one unique Doc or Sheet every local day. Reopen that same file as often as you like.
Private by construction
mono never reads document text or spreadsheet values. It changes presentation only, with packaged CSS.
Pricing
Try it free. Keep it once.
The free tier is useful on its own. The lifetime unlock removes the daily limit. No subscription.
$0 forever
- One unique Doc or Sheet per local day
- Reopen that file as often as you like
- Dark mode, manual or system-following
- Grayscale, on its own switch
$4.99 one time
Coming soon
- Unlimited Docs and Sheets
- Same dark mode and grayscale controls
- One payment, no subscription
- Restore anytime with your license key
No document trail
Your file stays yours.
mono does not read or transmit document text, spreadsheet values, titles, or Google account information. To enforce the free daily limit, it stores only today’s date and a one-way hash of a file ID — never the file itself.