Shrink a PDF, whatever the situation
Most guides here make PDFs smaller, and each one solves a different situation: a strict upload cap, a huge scan, a phone with no computer nearby, photos that must stay crisp. One guide covers the opposite case, a file that is too small for a minimum size rule. Find your situation in the table below and open the matching guide.
Which page do you need?
A file called contract-scan.pdf at 14 MB can fail in five different ways: a 2 MB portal cap, a 25 MB inbox that still bounces it, a phone that cannot run the job, a boss who inspects every photo, or three sibling files sharing one upload. Each failure has its own page. Match your failure first, then read.
| Your situation | Open this page |
|---|---|
| A form names an exact cap in KB or MB | Give your PDF an exact size target |
| Photos or fine print must stay crisp | Shrink a PDF and keep it looking sharp |
| Hundreds of pages, tens of megabytes | Shrink a PDF with hundreds of pages |
| Only a phone is at hand | Shrink a PDF from your phone's browser |
| Several files share one size-capped upload | Fit several PDFs into one size-capped upload |
| An email attachment keeps bouncing | Get a PDF through any inbox |
| You wonder whether zipping helps | Should you zip a PDF? |
| You just want the general walkthrough | Fit your PDF under any size limit |
When even the table cannot decide, the size breakdown tool shows which pages, images and fonts carry the weight. A file whose bytes sit in two scanned pages needs a different move than one whose bytes spread across forty photo pages.
Mistakes that send people to the wrong page
Shrinking before reading the cap. Half of all failed runs aim at a guessed number. Read the form or the bounce message first; the number there picks both the target and the guide.
Treating every big file as a scan. A 30 MB export with twelve photos and a 30 MB scan of a hundred pages shrink through different methods. Try selecting a line of text: when it highlights, the weight sits in pictures and fonts, not scans.
Zipping first. Pictures and text streams inside a PDF are already compressed, so an archive saves almost nothing. Shrink the PDF itself, then zip only when the recipient asked for a zip.
Repeating a run that already answered. A verdict landing far above the target is an answer, not an error: the document resists, so split it or send a link instead of pressing Compress again.
Quick answers about shrinking PDFs
- Where do I start when I have no idea why my PDF is big?
- With the general walkthrough, which maps common caps to targets, or with the size breakdown tool, which shows per page where the bytes sit. One of the two names your problem in a minute.
- Can I shrink a PDF without uploading it anywhere?
- Yes. Every tool these guides use runs inside the browser tab on your own device, with no account and no queue.
- Which guide fits a phone-only situation?
- The phone shrinking guide, written for mobile browsers. It also says honestly when a run deserves to wait for a computer.
- What if no shrinking guide fits my problem?
- Then the file may not need shrinking: an encrypted file needs unlocking first, a print file needs its original resolution, and a multi-file upload may need merging before anything else.
Shrink your file now
Pick your situation above, or skip the reading and drop the file straight into the tool. It never leaves this browser.
Compress PDFShrinking guides and tools
Guides by situation
- Fit your PDF under any size limit The general walkthrough, from reading the cap to downloading the result.
- Give your PDF an exact size target Land below a precise byte ceiling a form demands.
- Give a too-small PDF real weight For anyone whose file bounces off a minimum size rule on a print or archive upload.
- Shrink a PDF and keep it looking sharp Lose the weight while photos and fine print stay crisp.
- Shrink a PDF with hundreds of pages Prepare the tab and read the verdict on long runs.
- Shrink a PDF from your phone's browser Handle the job on mobile, and know when to wait for a computer.
- Get a Mac PDF under the size limit For Mac owners shrinking a file in Safari with no app to install.
- Fit several PDFs into one size-capped upload Join documents first, then squeeze the bundle under one cap.
- Get a PDF through any inbox Beat mailbox ceilings by shrinking, splitting or linking.
- Should you zip a PDF? Learn what an archive can and cannot do for a heavy file.
Tools that shrink
- Compress PDF Type any ceiling and take home a file that fits under it.
- PDF size breakdown See which pages, images and fonts eat the bytes.