Compress PDF to 1MB

Reduce scanned certificates and application PDFs to 1MB for email and portal uploads. Private and local — no server upload.

  • 100% local
  • No upload
  • Free to use
Target size
Quality

Compression starts when you select a file · max 20.0 MB, 50 pages · files stay on your device

Simple flow

How it works

Secure, local compression for scanned documents — no account, no upload.

1

Choose 1MB

1MB is preselected for common email and form limits.

2

Select the PDF

Add a scan or photo document. Compression starts automatically on your device.

3

Download under 1MB

Verify the size, then attach or upload the compressed file.

100% local processing · Files never leave your device

Questions

FAQ

Privacy, quality, and what to expect from local compression.

When should I compress a PDF to 1MB?

When email or application portals reject larger scans, or ask for files under 1MB.

Is compression private?

Yes. SizePDF is 100% local. Your file never leaves the browser.

Does it work on scanned PDFs?

Yes — scanned and image-based PDFs are what SizePDF is built for.

What if 1MB is still too large for the form?

Switch to 500KB or 200KB on this site and compress again.