PDF Health Check
Diagnose problems like missing fonts and oversized images.
Processed on your device
This tool runs in your browser. Your files are not uploaded. Privacy
Features
- Free to use, no sign-up
- No watermarks
- Processed on your device — files are not uploaded
Good to know
Checks run in your browser and cover the most common problems; they are not an exhaustive standards validation.
How to use PDF Health Check
- 1Upload your PDF (drag and drop, choose, or paste)
- 2Adjust the options if you want to
- 3Click PDF Health Check
- 4Download the result
Frequently asked questions
Is PDF Health Check really free?
Yes. Every tool on this site is free with no sign-up, no watermark and no premium tier. The only limits are technical ones that keep the service fast for everyone.
Are my files uploaded?
No. This tool runs entirely in your browser, so your file stays on your device.