PDFGym
EN

Compress PDF
to 5 MB

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

5 MB is 5,242,880 bytes, the ceiling many corporate inboxes and portals still enforce. This page brings a chunky PDF under that line in your browser, verifies the result before download, and never uploads your file.

Down to 5 MB in four steps

  1. Drop in the document

    Press Choose a PDF, or drag the file into the tab. Reports, drawing sets and scan packs all open locally.

  2. Keep the preset

    5 MB with the MB unit is prefilled here. If your ceiling sits elsewhere, tap a chip or type the exact figure.

  3. Press Compress

    The gentle passes run first and often win outright at this roomy number; images and the redraw join only as needed.

  4. Check, then keep

    The result shows the new size, the saving and the original beside an Original versus Compressed preview. Press Download PDF when charts and photos read well.

How it works explains what each pass rewrites. Sources far above this line get a plan in the large file guide.

The deliverable the client portal accepts

Oliver, a strategy consultant, owes a client the final deliverable through their vendor portal: strategy-deliverable.pdf, 35 pages of analysis, charts and workshop photos at 19 MB, against a portal cap of 5 MB. Email is not an option; the portal is the contract.

One run here lands the file at 4.6 MB. The charts stay crisp because diagrams compress kindly, the photos take a moderate pass, and Details confirms the image method won with the text fully intact. The upload passes, the invoice follows, and nobody discusses file sizes on the call.

Portals take the raw file, which makes 5 MB honest arithmetic: land under the line and you are in. Mail is the trickier sibling, as the next section explains.

Mail 5 MB and portal 5 MB are different sports

A portal accepts the bytes as they are, so a 4.9 MB file clears a 5 MB box. A mail gateway does not: attachments ride encoded, inflated by roughly a third, so a 5 MB file travels as about 6.7 MB and bounces off a strict 5 MB ceiling. For mail with a 5 MB limit, the real target is near 3.7 MB, typed as 3700 in the KB box.

This page still serves mail well when the ceiling sits at 10 MB: a 5 MB file travels as roughly 6.7 MB and clears it with room. Know which game you are playing before you pick the number: portal caps take 5 MB straight, mail caps want a third of headroom, and 3 MB is the one click answer for the strict mail case.

Also mind the decimal gap: flat millions stop at 5,000,000 against this tool's 5,242,880, a 242,880 byte disagreement. After a refusal on the line, rerun slightly under instead of exactly on it.

Misses with room to spare

Overshooting a generous cap means heavy pages: thirty scan pages share 5 MB at about 150 KB each, which reads well, but a hundred phone photos will not share anything gracefully. Split the file by chapter so each part feasts, or cut dead pages with Delete PDF pages.

On a miss, the page states how far short the run stopped and offers Try stronger compression, with the softening cost written out before you agree. Password locked files skip the rebuild passes entirely; clear them through Unlock PDF and compress the open copy.

Beyond one more megabyte

A 200 MB archive headed here wants splitting first, not courage: browser tabs hold only so much, and parts compress better than wholes. When the whole must stay whole, 10 MB doubles the budget. When the pages are only needed as pictures, PDF to JPG skips the document entirely.

5 MB, asked and answered

Is a 5 MB file safe to email?
Against a 10 MB mailbox, yes. Against a strict 5 MB gateway, no: encoding inflates it to about 6.7 MB in transit. Target 3.7 MB for that case.
How many bytes is 5 MB?
5,242,880 in binary units. Decimal counters stop at 5,000,000, so files sitting on the line should rerun slightly under it.
Does this target soften images?
Often not at all. The rebuild and font passes leave every pixel alone and frequently reach 5 MB unaided on files that started modest. The Details report says which pass won.
Can a 200 MB source reach 5 MB?
Possibly, but the tab memory ceiling matters more than the maths. Split giant sources first; it is faster and kinder to every page.
Does the text stay selectable?
Yes. Pages are recounted, characters compared, and sub 98% candidates refused. Failed checks are discarded visibly during the run.

Teammates for heavy files

Break, inspect, repair or convert around the squeeze. Each runs in the tab, checks its work, and needs no account.

Tighter, looser, larger