The original title is "Generating Print-Ready PDFs in a Browser Is Harder Than It Looks"

Short summary

Browser-generated PDFs that go to physical printers face hidden challenges: RGB-to-CMYK color loss, missing bleed margins, insufficient DPI, no native pagination, and font embedding issues. Practical mitigations include designing within CMYK-safe palettes, using 216×303mm page sizes with trim marks, validating DPI at upload, and implementing custom pagination by measuring rendered content off-screen.

• •RGB-to-CMYK conversion is lossy; design with muted colors from the start
• •Print requires 3mm bleed, 300 DPI, and embedded font subsets with proper licensing
• •Browser pagination must be reimplemented in code since CSS lacks real page-break control

Generated with AI, which can make mistakes.