2026-09-25
Firefox
version 153.0.3
Allow selecting compact toolbar density:
browser.compactmode.show = true
And then, Customize Toolbar / Density / Compact (not supported).
Display whole URL in address bar:
browser.urlbar.trimURLs = false
Keep menu hidden when pressing alt:
ui.key.menuAccessKeyFocuses = false
make scrollbar visible
widget.non-native-theme.scrollbar.size = 32
widget.non-native-theme.scrollbar.style = 4
See also: artemis.sh scrollbars
- Home and startup / Homepage / New windows: Blank Page
- Home and startup / Homepage / New tabs: Blank Page
- Search / Default search engine: Duck duck go
- Search / Default search engine: [ ] Show search terms in the address bar on results pages
- Search / Address bar: [x] Bookmarks
- Privacy and security / Browsing data: [ ] Clear cookies and site data every time you close Firefox
- Privacy and security / History / (o) Customize history: [ ] Remember browsing and download history
- Privacy and security / History / (o) Customize history: [ ] Remember search and form history
- Privacy and security / History / (o) Customize history: [x] Clear history when Firefox closes
- Privacy and security / Additional protections: [x] Tell websites not to sell or share my data
- Privacy and security / Additional protections: [ ] Suggest Firefox Relay email masks
- Privacy and security / Connection and software security: Advanced settings
- Privacy panel settings: [ ] Show breach messages
- Deceptive content and dangerous software protection: [ ] Block dangerous and deceptive content
- Passwords and autofill / Passwords: [ ] Ask to save passwords
- Passwords and autofill / Passwords: [ ] Show alerts about passwords for breached websites
- Passwords and autofill / Payment methods: [ ] Save and autofill payment info
- Downloads / Save files to: ~/dl
- Tabs and browsing / Browser layout: [ ] Show sidebar
- Tabs and browsing / Tabs: [ ] Show an image preview when you hover on a tab
- Tabs and browsing / Tabs: [ ] Use AI to suggest tabs and a name for tab groups
- Tabs and browsing / Tabs: [ ] Drag tabs together to create tab groups
- Tabs and browsing / Page navigation: [ ] Enable link previews
- Tabs and browsing / Recommendations: [ ] Recommend extensions as you browse
- Tabs and browsing / Recommendations: [ ] Recommend features as you browse
- Accessibility / Keyboard navigation and scrolling: [x] Always show scrollbars
- Languages / Spell check: [ ] Check your spelling as you type
- AI controls: [x] Block AI enhancements
- Permissions and data: [ ] Allow Firefox to improve features, performance, and stability between updates
- Permissions and data: [ ] Send daily usage ping to Mozilla
- Firefox Labs / Webpage Display: [x] Media: JPEG XL
Add custom filters:
||accounts.google.com/gsi/$3p
||accounts.google.com/gsi/iframe
||id.google.com^
||smartlock.google.com^