Compress to 1 MB
Compress a PDF to 1 MB
One megabyte is the classic attachment limit. Drop the PDF below and Layers compresses it in our secure workspace, then shows you exactly how much space you saved.
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
Private by design
The document stays in our secure processing layer the whole time.
Clear savings
The tool reports the before and after sizes.
Quality preserved
Text remains sharp and selectable after compression.
Big files welcome
Everything runs in our secure workspace, so large documents are fine.
How to compress a PDF to 1 MB
- 1
Add the PDF
Drag the file onto the tool at the top of this page.
- 2
Let it compress
Images and embedded resources are re-encoded locally, nothing is uploaded.
- 3
Download
Save the smaller file and check it against the 1 MB target.
Common questions
What if it is still over 1 MB?
Split the PDF and compress the part you actually need to send, or remove image-heavy pages you do not need.
Does it work on scans?
Yes, and scanned pages usually see the biggest reductions.
Do I need an account?
No — guests get a daily allowance of free file actions.