PDF Preflight Checker

Analyze PDF files for print-readiness issues — check page sizes, fonts, color spaces, and image resolution.

Drop a PDF here

or click to select a file

How to use

  1. Upload a PDF by clicking the dropzone or dragging a file.
  2. Wait for the analysis to complete — page sizes, fonts, images, and colors are checked.
  3. Review the summary and individual check results. Fix any errors before printing.

Frequently asked questions

What does a PDF preflight checker do?

It analyzes a PDF for print issues — mixed page sizes, missing fonts, low-res images, and wrong color spaces.

Is my PDF uploaded to a server?

No. All analysis runs in your browser. Your file stays on your device.

What checks are performed?

Page sizes, embedded fonts, image resolution, color spaces, document info (page count, version, metadata).

What do the status icons mean?

Green = pass, yellow = warning, red = critical issue that must be fixed.

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