Free online PDF preflight checker for print.
About BoxCheck
BoxCheck is a free browser-based PDF preflight checker for print.
Upload a PDF and check common print-production issues such as bleed, safe zone, colors, image resolution, fonts, total area coverage (TAC), product format and other print-readiness problems.
No installation and no account required. PDFs are processed in memory and are not stored on the server.
Upload a PDF and check common print-production issues such as bleed, safe zone, colors, image resolution, fonts, total area coverage (TAC), product format and other print-readiness problems.
No installation and no account required. PDFs are processed in memory and are not stored on the server.
✓ VerifiedSep 22, 2026
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