When you open the PDF file in your modern web browser. You can get only a bright paper, and the web browser provides no option to get a Night Mode version of it. However, with the free and most popular Turn Off the Lights browser extension you can get PDF in Night Mode very easily.

Activate the PDF in Night Mode?

This is what you see in your Google Chrome web browser (and also Microsoft Edge, Firefox) when you open a PDF file in a new tab. It shows you the white paper sheet and the text color in black. And that is too much bright light shining to your face, which leads to heavy headaches.

Default: PDF in day Mode or know as the regular PDF preview mode
Default: PDF in day Mode or know as the regular PDF preview mode

When you enable now the Night Mode switch, you can see that the it filter out now all the bright light of the paper sheet. And you get a comfortable dark paper sheet.

Enabled: PDF in Night Mode
Enabled: PDF in Night Mode
  1. Download the Turn Off the Lights browser extension
  2. Click right on the gray lamp button and select Options in the menu item
  3. The Turn Off the Lights Options page shows up and select the tab Night Mode
  4. And enable here the Night switch or the long-press feature to activate the night mode on the current web page

In addition, you can customize the website background, text, and hyperlink colors. So you can make it personal to your night theme style.


Do you found technical, factual and grammatical errors on the Turn Off the Lights website?
You can report a technical problem using the Turn Off the Lights online technical error feedback form.




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