Reduce PDF size
Reduce PDF file size online
Large PDFs bounce off email limits and upload forms. Use the tool above to bring the size down in our secure workspace, then check the saving before you download.
Compress a PDF right here
Processed in our secure workspace — your file stays private.
Drag a PDF here, or choose one from your files
What you get
Clear before and after
You always see exactly how many kilobytes you saved.
No quality cliff
Text stays selectable and sharp; only heavy resources are re-encoded.
Nothing uploaded
The document stays in our secure processing layer from start to finish.
Works on scans
Scanned documents are the biggest winners, often dropping by most of their size.
How to reduce PDF file size
- 1
Drop the PDF in
Add the oversized document to the tool at the top of the page.
- 2
Let Layers shrink it
Embedded images and fonts are re-encoded in our secure workspace.
- 3
Check the new size
The tool shows the size before and after so you know whether you are under your limit.
- 4
Split if you need more
If one pass is not enough, split the document and keep only the pages you need to send.
Common questions
Why is my PDF so large?
Almost always embedded images — especially scans and photos pasted into slides. Those are exactly what compression targets.
Will reducing the size blur my document?
Text is untouched. Images are re-encoded, so a photo-heavy page can look slightly softer at extreme reductions.
Is there a size limit?
Everything runs in our secure workspace, so large documents are fine — you are limited by our secure processing layer, not a server.
Can I reduce several PDFs at once?
Run them one after another here, or open the workspace where you can queue several files.