Live demo · virus-scanned · detection-only

Try lintPDF preflight

Upload a PDF and see real findings — fonts, color, images, transparency, page geometry, packaging dielines, and barcodes — across 500+ checks. We scan your file for viruses first, run the preflight engine, then show you a pass / fail verdict. Your file is never modified or stored.

Drop a PDF here, or click to choose

Up to 50 MB · your file is never modified

We scan for viruses, then run the lintPDF preflight engine. Files are processed in memory and not stored.

This demo runs the open-source lintPDF preflight engine. Want it in your own pipeline? Self-host lint-pdf from GitHub or run it as a managed API.