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How to Compress an invoice PDF

Updated 2026-09-17 · 2 min read

The usual reason to compress an invoice PDF is a wrong purchase-order number or an address that changed after the accounting system generated the file.

Almost all PDF bulk is images. Text weighs nothing, so compression is really a decision about how much image detail you can spare.

PDFfont edits PDF text in the document's own embedded font — no white cover boxes.

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Steps to compress an invoice PDF

Open the file and check which pages are photographs or scans — those are the heavy ones.

Delete any pages you do not need to send at all.

Export with image downsampling around 150 dpi for screen reading, or 300 dpi if it will be printed.

Check the result opens cleanly and the smallest print is still legible.

What to watch out for on an invoice

With this kind of document, figures sit in right-aligned columns, so keep totals and decimal points in their column.

One caution worth stating plainly: correcting your own invoice before issuing it is routine admin; altering one you received is not.

Why the result holds up

Real text is never rasterised, so it stays perfectly sharp no matter how far the images are compressed.

Frequently asked

Does compressing blur the text?

No, only images are affected.

What size should I aim for?

Under 10 MB clears most email limits; under 5 MB is safer.

Can I compress an invoice PDF on a phone?

Yes. The editor runs in mobile Safari and Chrome, with touch-sized controls and a share sheet for saving the finished file.

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