Everyone

How big should a lead magnet PDF file be?

As small as you can keep it while looking sharp, so it opens fast on a phone. Compress large photos, avoid full-page images, and export at standard (not print) quality unless people will print professionally.

Keep it light

  • 1Compress imagesResize before inserting.
  • 2Fewer full-bleed photosThey add the most weight.
  • 3Standard exportNot “print” quality.
  • 4Test on mobile dataDoes it open quickly?

A heavy file can fail to download on slow connections and looks broken to the reader. Text-led designs stay small naturally.

Read the full answer

Magnetbrief renders PDFs on the server with embedded font subsets and simple shapes, which keeps files light.

Common follow-up questions

Will email tools reject big files?

Upload limits vary; check your tool. Linking to the file avoids attachment limits.

Does file size affect print?

For home printing, standard quality is fine.

Updated 2026-11-15. General information; not legal, medical or financial advice.