Contact

Contact Us

Need help with PDF Dark Mode, want to report a bug, or have a question about privacy? Send us an email and include enough detail for us to understand the issue.

Support Email

Email: support@pdfdarkmode.org

For bug reports, please include your browser, device type, the page you were using, and a short description of what happened. Do not send sensitive PDF files unless you decide an example is necessary and you are comfortable sharing it.

What We Can Help With

  • Problems opening or reading a PDF in page color mode.
  • Issues with Text reading mode, page navigation, or mobile layout.
  • Questions about converting and downloading a dark mode PDF.
  • Privacy questions about local PDF processing.
  • Feature requests and general feedback.

Before You Contact Us

If a PDF does not display as expected, try refreshing the page, choosing the file again, or testing in a modern browser such as Chrome, Edge, Firefox, or Safari. Very large, encrypted, damaged, or unusual PDF files may behave differently depending on the device and browser.

Privacy and Security Questions

You can also contact us about privacy questions, local processing, or requests related to support emails you have sent to us.

Response Time

We try to review support messages as soon as practical, but response times can vary. Clear details make it easier to reproduce and fix issues.