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Compress PDF

Compress PDF tool shrinking a 6.9 MB PDF to 520 KB
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Compress PDF: Make Your PDF Smaller

Shrink scans and photo-heavy PDFs so they fit email and upload limits — with the text still sharp and selectable.

Free · no signup · any PDF · your file never leaves your device

Compress PDF: Make Your PDF Smaller — free online tool

How it works

Almost all the weight in a big PDF is its photos and scans. The compressor re-encodes each large image at a sensible resolution and quality, then repacks the file structure. Text, lines and vector art are left alone, so they stay crisp.

In our test, a 6.9 MB PDF of two photo pages came out at 520 KB — 93% smaller — and still looked clean on screen and on paper.

Which level?

  • Light — barely visible change; for print.
  • Balanced — the right choice for email and forms.
  • Strong — smallest file that still keeps selectable text.
  • Flatten — for scans only: every page becomes one compressed image. Smallest of all, but text can no longer be selected.
  • A PDF that is mostly text or vector art is already small; if nothing can be saved, the tool says so instead of giving you a bigger file.
  • Password-protected PDFs need the password removed first.

Your file is opened and processed by your own browser. Nothing is uploaded to VectorDad or anyone else, which also means there is no file-size queue, no watermark and no account.

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