Contact
Contact DiffQuery
The fastest way to reach DiffQuery is by email. We read every message and respond as soon as we can, usually within a few business days.
For product questions, bug reports, privacy requests, copyright notices, partnership inquiries, or any other site-related issue, write to:
For privacy or data subject requests, please include enough detail to identify your request without attaching sensitive document content.
In-product feedback
You can also use the floating Feedback button on the right side of the page to send a quick note from inside the comparison workflow you are using.
When reporting a bug, the most helpful messages include the page URL, browser name and version, file type, and a short description of what you expected versus what happened.
What to expect
DiffQuery is operated by a small independent team. We prioritize messages that report security issues, privacy concerns, or broken comparison workflows. Feature suggestions are welcome and reviewed regularly, but we cannot guarantee a timeline for shipping any specific request.