Dark Reader Chrome Extension: Review & How to Use (2026)

Dark Reader Chrome extension

Dark Reader generates a dark theme for websites that don't offer one natively, adjusting brightness, contrast, and colors on the fly. It's best for reducing eye strain during long or nighttime browsing sessions. The catch: automatic inversion can occasionally misrender images or complex layouts on some sites.

PriceFree

CategoryCustomization

✓Open source

Key features

automatic dark theme generation for any site
brightness, contrast, and sepia adjustment sliders
font customization options
per-website enable and disable controls
system dark mode synchronization
detects and preserves already-dark websites

What Dark Reader does

Dark Reader analyzes a webpage's colors and applies a dark theme in real time, inverting bright backgrounds and adjusting text so pages that never built dark mode still get one. You can fine-tune the result with brightness, contrast, and sepia sliders, and it recognizes sites that are already dark so it doesn't double-invert them.

Dark Reader free vs paid

Dark Reader is entirely free with no premium tier, ads, or account requirement. Every feature, including per-site controls, font adjustments, and system sync, is available without payment.

Is Dark Reader safe?

Dark Reader needs to read and modify page content to apply its dark theme, which is required for the core feature to work on any site. The developer states it does not collect or sell user data, and doesn't use it for anything beyond generating the dark theme.

Dark Reader: FAQs

Is Dark Reader free?

Yes, it's completely free with no paid tier or in-app purchases.

Is Dark Reader safe to use?

It needs to read page content to invert colors, which is necessary for its function. The developer states it doesn't collect or sell your data.

How do I use Dark Reader?

Install it, pin the icon, and click it on any site to toggle dark mode. Use the settings panel to adjust brightness and contrast.

Does Dark Reader work on Amazon?

Yes, Dark Reader can apply dark mode to Amazon and most other sites that lack a native dark theme.

How do I turn off Dark Reader on one site?

Click the extension icon while on that site and use the per-site toggle to disable it there without affecting other sites.

Does Dark Reader work in Edge or Brave?

Yes, since both are Chromium-based, you can install it from the Chrome Web Store.

How do I remove Dark Reader?

Right-click the icon in the toolbar, select Remove from Chrome, and confirm.

What are Dark Reader alternatives?

Night Eye and Turn Off the Lights are common alternatives that also generate dark themes for sites without one.

Why do some images look wrong with Dark Reader on?

Automatic color inversion can occasionally distort photos or complex graphics; you can exclude images or disable it per-site to fix this.

Can Dark Reader sync with my system's dark mode?

Yes, you can set it to automatically match your operating system's light or dark setting.

Does Dark Reader slow down page loading?

It has minimal performance impact since it processes styling on pages you visit rather than running constant background tasks.

Can I customize fonts with Dark Reader?

Yes, the settings include options to adjust the font used alongside the dark theme.