PDF Dark Mode Converter
Convert any PDF to dark mode instantly in your browser. Choose from 16+ themes like Dracula, Nord, and Solarized, adjust resolution and quality, and download the result in seconds. No uploads, no sign-up, fully offline and private.
Images look wrong? Try turning on Preserve ImagesPreserve Images detects photos and graphics and keeps their original colors after the dark mode transform. Turn it on to protect images from being darkened.
Not working? Try turning off Preserve ImagesScanned PDFs are made of images, not text. When Preserve Images is on, the converter keeps those images as-is, which means the page stays bright. Turning it off lets the converter darken everything.
What Is PDF Dark Mode Conversion?
PDF dark mode conversion transforms standard bright-white PDF documents into eye-friendly dark-background versions you can save and keep. Unlike browser extensions that only tint your screen, this tool generates a real PDF file with your chosen color scheme baked in - open it on any device, any reader, and it stays dark. The converter runs entirely in your browser: your files are never uploaded anywhere, and it even works offline after the first visit.
Why Use This Converter
Up to 10x Faster
Uses GPU-accelerated color transforms and processes multiple pages at once. A 50-page PDF converts in seconds, not minutes.
16+ Themes
Dracula, Nord, Solarized, Monokai, Tokyo Night, and many more built in. Most similar tools offer only 3 to 5 options.
Custom Colors & Light Mode
Pick any hex color with the built-in color picker. Switch between dark and light output to match however you prefer to read.
Completely Private
Your file never leaves your device. There is no upload, no server, and no cloud processing. Works offline after the page loads.
No Sign-Up or Limits
No accounts, no watermarks, no page caps, no file-size restrictions. Just open the page and convert as many PDFs as you need.
Adjustable Quality
Sliders for resolution and JPEG quality let you choose between smaller files and sharper output. Defaults work great for most documents.
How to Convert a PDF to Dark Mode
Choose Your File
Click the upload button or drag a PDF onto the page. Nothing is uploaded - the file is read locally in your browser.
Pick a Theme
Select from 16+ preset themes or create a custom color. Toggle between dark and light modes. Tweak resolution and quality in Settings if you want.
Download
Conversion starts automatically and the dark-mode PDF downloads when ready. Open it in any PDF reader - the colors are permanent.
Frequently Asked Questions
Yes. The converted PDF includes a hidden text layer underneath the image, so you can select, copy, and search text just like in a normal PDF. It works in every major PDF reader without any extra steps on your end.
Drop your PDF onto this page or click the upload button. Choose one of the 16+ built-in themes, and the converted file downloads automatically. The entire process takes a few seconds for most documents.
Yes. There's no account to create, no watermarks on your files, no page limits, and no file-size cap. You can convert as many PDFs as you want, as often as you want, without paying anything.
No. Your file stays on your computer the entire time. The conversion happens right in your browser, so nothing is sent to a server. You can even disconnect from the internet after the page loads and it will still work.
Most alternatives offer a handful of themes and process pages one at a time. This converter includes 16+ carefully picked themes (Dracula, Nord, Solarized, and many more), processes pages in parallel, and uses your GPU for the color transform. The result is noticeably faster conversion and a lot more choice in how your PDF looks.
Absolutely. Select the Custom theme and a color picker will appear where you can enter any hex code or click a preset swatch. You can also toggle between dark and light output, so it works for tinted light backgrounds too.
Yes. Open Settings to find sliders for resolution (0.5x to 4x) and JPEG quality (50% to 100%). Lower values produce smaller files; higher values give you sharper pages. The defaults are a good balance for everyday use.
The output is a standard PDF file with the colors permanently changed. Open it in any PDF reader on any operating system and it will look the same. No special software or extensions needed.
Yes. The interface adapts to any screen size and works in Chrome, Safari, Firefox, and Edge on both Android and iOS. No app install required.
From the Blog
Guides for reading PDFs in dark mode on every platform.