Dark Mode PDF
Invert colours or switch to greyscale for comfortable reading at night.
NewIn browser
Drop PDF files here
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Invert colours or switch to greyscale for comfortable reading at night. Your files are processed right here in your browser, so they are never uploaded to a server.
How to use Dark Mode PDF
- Choose or drop your PDF files into the box above.
- Check the options on the right. The defaults work for most files.
- Press the button to run Dark Mode PDF and download the result.
Questions, answered
Is Dark Mode PDF free?
Yes. Dark Mode PDF is free to use and you don’t need an account.
Are my files uploaded?
No. This tool runs entirely in your browser, so your files never leave your device.
Does it work on my phone?
Yes. It works in any modern browser on Android, iPhone, tablets and computers. Very large files are faster on a computer.