How to Enable Dark Mode in Foxit PDF Reader (Windows, Mac, iOS & Android)

Quick answer: Foxit PDF Reader can darken the application interface and the PDF page, but these are separate settings. Use Dark or Use system setting for the app interface; use Replace Document Colors, Change Color, or Night Mode when you want the document page itself to appear dark. The available menu name depends on your platform and Foxit version.

This guide shows how to enable Foxit Reader dark mode on Windows, Mac, iPhone, and Android, explains why the toolbar may turn dark while the PDF remains white, and introduces UPDF as a free-to-try alternative with flexible page-display options.

Part 1. Does Foxit PDF Reader Have Dark Mode?

Yes. Foxit PDF Reader supports a dark application skin and options that change how PDF pages are displayed. These controls solve different problems: a dark skin changes menus and toolbars, while PDF dark mode or document color replacement changes the page background and text for more comfortable low-light reading.

Changing document colors is a viewing preference; it does not normally rewrite the PDF. Images, charts, signatures, and other embedded graphics may retain their original colors, so review visually important pages after enabling the setting.

Part 2. How to Enable Dark Mode in Foxit PDF Reader

Choose the instructions for your device. If only Foxit’s menus become dark but the PDF page stays white, also enable the document-color option described below.

On Windows

To darken the Foxit interface: open File > Skins, then select Dark. Choose Use system setting if you want Foxit to follow the Windows app mode.

To darken the PDF page:

1. Open Foxit PDF Reader and choose File > Preferences.
2. Select Accessibility.
3. Enable Replace Document Colors. Choose a high-contrast combination or set custom colors for Page Background and Document Text.
4. Click OK and check the PDF page.

On Mac

For the interface, choose File > Skin or View > Skin, then select Dark or Use system setting. To change the PDF page, open Preferences > Accessibility and enable Replace document colors. In supported versions, you can also choose View > Change Color and select a preset or custom page color.

On iPhone or Android

Open a PDF in the current Foxit mobile app, open the reading or display controls, and select Night Mode or a dark page theme. The icon and menu name can differ between iOS, Android, and app versions. If the option is missing, update the app and check the View, Reading, Display, or Appearance menu.

For another platform-specific guide, see how Adobe Acrobat Dark Mode works.

Part 3. Foxit Dark Mode Not Working? Try These Fixes

• The toolbar is dark but the page is white: enable Replace Document Colors, Change Color, or Night Mode; the app skin alone does not recolor the PDF page.
• Nothing changes after choosing custom colors: confirm that Replace Document Colors is checked, then reopen the document.
• Images remain bright: document-color replacement may affect text and page backgrounds without fully inverting embedded images.
• System dark mode does not sync: select Use system setting for the interface or choose Dark manually.
• The mobile option is missing: update Foxit and check the reading/display menu; labels vary by app version.
• Colors look wrong: restore the default colors and try a preset high-contrast combination before creating custom colors.

Part 4. Limitations of Foxit Dark Mode

Foxit offers useful dark-reading controls, but the experience is not identical on every device. The application skin and PDF page colors are configured separately, menu names vary between Windows, Mac, iOS, and Android, and document-color replacement may not fully invert photographs, charts, or other embedded graphics. Custom high-contrast colors can also affect documents that rely on color to communicate meaning.

These are not reasons to avoid Foxit; they are practical points to check when dark mode does not produce the result you expected.

Part 5. Try UPDF for a More Flexible Dark Reading Experience

If you want a cleaner alternative, UPDF is free to download and try on Windows, Mac, iOS, and Android. It combines dark app appearance with flexible PDF page-display controls, so you can reduce glare without giving up annotation, editing, OCR, conversion, page organization, or AI-assisted reading.

Want to see how UPDF handles everyday PDF reading before trying it? The short video below demonstrates its core reading experience and useful document tools.

How to Enable Dark Mode in UPDF

On Windows or Mac: open UPDF, go to Settings > System Settings > Appearance, and select Dark. For the PDF page itself, open the page-display controls and choose a comfortable background/display option. The desktop app also provides content-inversion controls when you need the page contents—not only the surrounding interface—to appear darker.

On iPhone or Android: enable the device’s dark appearance, then open UPDF. You can continue reading in single-page, continuous, or two-page layouts and use highlights, comments, search, bookmarks, summaries, or translations when working through longer PDFs.

Download UPDF and test the display with your own PDF to see which background and viewing mode feels most comfortable.

Part 6. Foxit Reader vs. UPDF: Which Is Better for Dark Mode?

The better choice depends on whether you only need to recolor pages or want a broader reading and document workflow.

Foxit is suitable if its available display controls already match your needs. Choose UPDF if you prefer an all-in-one reader and editor across desktop and mobile. You can start with the free trial and visit the UPDF pricing page if you later need the complete feature set.

Conclusion

Foxit Reader dark mode works best when you choose the correct setting for the result you want: use a dark skin for menus and toolbars, and use document-color replacement or Night Mode for the PDF page. If the page remains white, revisit the accessibility or display controls rather than changing the app skin again.

If you want more control over page appearance together with everyday PDF tools, download UPDF for free and try it during your next reading session.