NightOwl – Dark Mode & Eye Guard
Accessibility & Comfort
Dark mode + eye protection in one. Invert colors, adjust brightness, and apply warm/cool screen tints.
FreeNew4.8 out of 5, editor score
Free Accessibility & Dark Mode Chrome Extensions
Dark mode, eye comfort and volume controls that make long browsing sessions easier on your eyes and ears.
2 extensions · all free · official Chrome Web Store links
All accessibility & comfort extensions
Volume Booster Ultimate
Accessibility & Comfort
Boost your audio experience directly in the browser. This extension allows users to increase volume beyond system limits for videos, music, and other media on any tab. It provides a simple interface to control sound levels, ensuring clearer and louder playback without switching system settings. Designed for convenience, it works seamlessly across supported websites and helps users enhance low-volume content instantly.
FreeNew5.0 out of 5, editor score
No install needed? Try these free web tools
Browser-based AltFTool tools that do a similar job in a tab.
Questions about these extensions
What are the best free accessibility & comfort Chrome extensions?
AltFTool publishes 2 free accessibility & comfort extensions, including NightOwl – Dark Mode & Eye Guard, Volume Booster Ultimate. Each has its own page with features, permissions guidance and a Chrome Web Store link.
Are these accessibility extensions free?
Yes. Every extension in this category is free to install and does not need an AltFTool account.
Do they work in Edge and Brave?
They are built for Chrome. Chromium-based browsers such as Microsoft Edge, Brave and Opera can usually install Chrome Web Store extensions as well.
Looking for something else?
Browse every AltFTool extension, or search by what you need.