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PDF Preflight Checker

Run preflight checks on PDF files for print readiness compliance.

All PDF processing runs entirely in your browser — no uploads to any server. Powered by WebAssembly and modern browser APIs, delivering desktop-grade speed while keeping your documents private.

Frequently Asked Questions

Is this tool free?

Yes, completely free with no signup required.

Can I use it on mobile?

Yes, it works on mobile browsers with touch support.

What category does this belong to?

PDF Tools

Is my PDF uploaded to a server during processing?

No. All PDF processing happens locally in your browser. Your files never leave your device.

What PDF file size is supported?

Since processing runs locally in your browser, file size depends on your device memory. PDFs under 100MB generally process smoothly.

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