Firefox Browser Add-ons
  • Extensions
  • Themes
    • for Firefox
    • Dictionaries & Language Packs
    • Other Browser Sites
    • Add-ons for Android
Log in
Preview of Auto theme switcher

Auto theme switcher by Irvirty

Change the theme for day and night using time or automatic mode.

3.3 (3 reviews)3.3 (3 reviews)
21 Users21 Users
Download Firefox and get the extension
Download file

Extension Metadata

Screenshots
About this extension
Description:

This extension automatically sets your theme using the browser color scheme (light/dark) or following a custom time schedule.

How to use:
  1. Select mode.
  2. Choose themes for the day and a theme for the night.
  3. Click the send button.

Warning:
  1. Automatic mode works unstably if a dark theme is selected for day and a light theme for night.
  2. Pressing the submit button is required.

Recommendations:

Use "Time" mode.

Keywords:

Dark Mode, Light Mode, Auto Theme, Theme Switcher, Automatic Theme, Schedule, Time Based, Color Scheme, Day Night,
Rated 3.3 by 3 reviewers
Log in to rate this extension
There are no ratings yet

Star rating saved

5
1
4
0
3
1
2
1
1
0
Read all 3 reviews
Permissions and data

Required permissions:

  • Monitor extension usage and manage themes
  • Access your data for all websites
Learn more
More information
Add-on Links
  • Homepage
  • Support site
  • Support Email
Version
2.3.5
Size
22.63 KB
Last updated
11 days ago (Mar 16, 2026)
Related Categories
  • Appearance
License
CC BY-SA 4.0
Version History
  • See all versions
Add to collection
Report this add-on
Go to Mozilla's homepage

Add-ons

  • About
  • Firefox Add-ons Blog
  • Extension Workshop
  • Developer Hub
  • Developer Policies
  • Community Blog
  • Forum
  • Report a bug
  • Review Guide

Browsers

  • Desktop
  • Mobile
  • Enterprise

Products

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Legal

Except where otherwise noted, content on this site is licensed under the Creative Commons Attribution Share-Alike License v3.0 or any later version.