How much smaller will it get?

Savings vary — often 5–30% for unoptimized files. For bigger reductions, use Balanced or Maximum.

Is lossless PDF compression free?

Yes. It's completely free with no signup, no watermark and no file limits. Everything runs in your browser — files are never uploaded, there is no signup and no watermark.

Are my files uploaded?

No. Everything runs in your browser — files are never uploaded, there is no signup and no watermark.

CLIENT-SIDE COMPRESSION · ZERO UPLOADS

Compress a PDF without losing quality

Shrink bulky PDFs right here in your browser. Over-sized images are downsampled and re-encoded while text stays crisp and selectable — with nothing uploaded.

Nothing uploadedSharp, selectable textBatch friendly

A large PDF being compressed into a smaller file

03 · RESULTS

Ready when you are

Your compressed files will appear here — each one ready to download.

PRIVATE BY ARCHITECTURE

Make PDFs smaller without handing them over.

Shrink to email or upload

Get bulky reports and forms under attachment and portal size limits.

Sharp text, lighter images

Text and vectors stay crisp and selectable; only over-sized images are downsampled to a sensible resolution.

Local processing

Compression runs in your browser. Confidential documents never reach a server.

Compress a PDF without losing quality

Make PDFs smaller without handing them over.

Compress a PDF without losing quality

Frequently asked questions