A tool isn't working
Common causes and quick fixes for unexpected results.
Updated May 5, 2026
Try these first
- Confirm the file is a valid, non-corrupt PDF or supported image.
- For encrypted PDFs, unlock them first if you have the password.
- Refresh the page to clear any stuck state, then retry.
- For very large files, close other tabs to free up memory.
Some security features depend on what the browser can do locally and are clearly marked as experimental or unavailable.