Compress a PDF to 500KB or under, half a megabyte, the limit many portals and inboxes quietly enforce. The tool tightens the file structure first, then steps page picture quality down only as far as the cap requires. Everything runs in your browser, on your own device, nothing uploaded.
Your files are processed in your browser, on your own device. Nothing is uploaded to a server.
Five hundred kilobytes turns up as the limit on application portals, shared inboxes, and messaging-friendly documents: big enough for quality, small enough to move fast. This page squeezes to exactly that line, structure first, picture quality second, stopping as soon as the file fits. For tighter caps, the same family covers 200KB and 100KB. For a roomier one, Compress PDF to 1MB.
At 500KB, most documents keep screen-crisp pages and often keep their text layer, because the structural pass alone frequently reaches this cap. A report exported from Word with a few charts, a ten page scan at sensible settings, a signed agreement with stamps: all the usual suspects fit under half a megabyte without giving up readability. The picture rebuild only kicks in for genuinely heavy files, like full-colour scans at printer resolution, and even then the ladder stops early, at the highest quality that fits. Where this cap bites hardest is the long colour scan, fifty pages of magazine-weight paper. There the per-page budget shrinks and softness creeps in, and splitting the job by chapter, with Split PDF, often serves the reader better.
Application and tender portals that accept one combined document commonly set 500KB. Shared office inboxes with old quotas bounce anything larger. Course platforms and LMS uploads sit near this figure for handouts. And it is a sensible self-imposed cap for anything you attach often, since a half-megabyte file opens instantly on any phone connection.
Some files should stay fat, and knowing them saves regret. The archive master of anything legal, signed, or financial keeps its full weight. Compress a copy for sending, never the record itself. A print-bound file, a brochure or a poster going to a press, lives on the detail this process spends, so send the printer the original through whatever channel they prefer. A document headed for further editing also stays whole, because a picture-rebuilt page cannot be properly edited later. The pattern is simple: 500KB is a travelling size, not a keeping size. Files that travel get compressed. Files that testify, print, or wait for edits stay exactly as they were made, and the two-minute habit of keeping both versions is what separates tidy operators from people hunting for an original that no longer exists.
Yes. It is free, with no limits sold back to you later and no watermark. ToolPeko earns from ads on the site, not from your documents.
No. The compression runs inside your browser, on your own device. Your file never travels to us, so there is no copy of it anywhere else.
Usually yes. Many files reach this cap on the structural pass, with pages untouched. Heavy scans take a mild picture step and stay crisp on screen. The result line reports the route your file took.
If the structural pass reaches the cap, yes, completely. If pages are rebuilt as pictures to fit, text becomes part of the picture, and the result line tells you.
That points to a very long or photo-dense file. The result line gives the smallest size reached. Trimming unneeded pages or rescanning at a lower setting closes the rest of the gap.
Pick this page when a portal or inbox names the cap, so the tool stops exactly at it. Pick the general Compress PDF page when you just want a file smaller and lighter to send.
Same rules as this one: free, in your browser, with nothing uploaded.
Join many PDFs into one file, in the order you drop them.
Pull pages out, or break one PDF into smaller files.
Shrink a PDF so it fits email and upload limits.
Fix sideways pages and save them straight.
Keep only the pages you pick, saved as a new PDF.
Delete the pages a PDF does not need.
Drag pages into the right order before you save.
Trim wide margins or cut a page area down to size.