Compress PDF
to 10 MB

or drop one here
Compression level
Target size
Choose a PDF file first.

10 MB is 10,485,760 bytes, the ceiling most mailboxes and many portals still share. This page lands a whole archive under that line in your browser, keeps it in one piece, verifies the result, and never uploads your file.

Landing the whole file at 10 MB

  1. Load the archive

    Press Choose a PDF, or drag the file into the tab. On a desktop browser with free memory, even hundred page dossiers open fine.

  2. Confirm the preset

    10 MB is prefilled here with the MB unit. If your ceiling is lower, pick a chip or type the exact number.

  3. Press Compress and wait a little

    Big files take minutes: every page is processed and the result is reopened and rechecked. Keep the tab in front until it finishes.

  4. Inspect, then download

    The result shows the new size, the saving and the original beside a preview. Press Download PDF when the densest page reads well at full zoom.

The four passes are toured in how it works. When the source is hundreds of megabytes, start with the large file page instead.

The dossier the client keeps

Renata's building firm hands every client a completion dossier: site photos, certificates, appliance manuals, guarantees. For a recent renovation it came to completion-dossier.pdf, 60 pages at 84 MB, and the client's mailbox stops at 10 MB. The dossier must stay one file, because it is filed as one record.

She strips nine blank versos the scanner added, then runs the rest here at 10 MB. The file lands at 9.1 MB: photos take a fair re-encode, certificates stay legible, and the manuals read as well as the masters. One email, one attachment, one happy archive.

Two hundred scan pages share this budget at about 50 KB each, which keeps body text readable. Illustrations and tiny print fare worse, so judge the worst page, not the first one.

One file or many: picking the shape

Some documents must stay whole: legal submissions, filed dossiers, manuals with cross references. For those, 10 MB is the genuine target, and this page is the direct route. Strip the dead pages first with Organize pages, since forty blank sheets in a long archive hand their whole budget to the pages that matter.

But plenty of archives only travel whole out of habit. Ten parts of twenty pages open faster, download faster, and each can enjoy a full 5 MB budget, which beats one file starved at 10 MB. When the recipient splits the file on arrival anyway, do the splitting yourself with Split PDF and send sharper parts.

Text heavy originals rarely need this page at all: forty text pages usually sit under 10 MB before compression starts. This number earns its keep on scans, photos and diagrams.

Big file failures and their fixes

A tab that dies mid run hit the memory ceiling: source plus candidates outgrew the tab. Nothing leaked, since nothing uploads; retry on a desktop with other tabs closed, or split the file and run the halves. A phone is the least reliable place for sources this size.

A result above 10 MB wants fewer pages per run, not braver settings. A soft result wants the same fix from the other side. Locked files that ask for a password stall the rebuild passes, so pass them through Unlock PDF before anything else.

Honest alternatives at this size

A server side compressor chews hundred page archives faster, with no tab ceiling; the price is custody of your document on someone else's machine. For contracts, medical files and legal exhibits, the slower local run is usually the right trade. For a public catalogue with no secrets, pick whatever finishes first.

When even 10 MB cannot hold the pages honestly, stop negotiating with one file: split by chapter and let each part breathe. Sharp parts beat a soft whole every time.

10 MB questions from the field

How long does a big run take?
Minutes rather than seconds: every page is processed, then the output is reopened and rechecked. Larger sources simply need more patience and an open tab.
Is 10 MB realistic for a scanned book?
For a couple of hundred pages, yes for reading. Body text holds at about 50 KB per page; check illustrations and the smallest print before sending.
Can a phone handle this?
Sometimes, unreliably. Phone browsers hold far less working memory than desktops, and big sources exhaust exactly that. Use a computer for files this size.
Does the file stay selectable and ordered?
Yes. Page count is compared, characters are compared against the original, and sub 98% candidates are refused. Order never changes.
Why not just use a server tool?
Speed, honestly, is their edge. Privacy is ours: your archive never leaves the machine. For sensitive bundles that trade decides itself.

The rest of the bench

Cut, split, inspect or convert around the big run. Tab local, verified before download, and free of accounts.

Where the big file goes next