pdfCraft

Compress PDF online — reduce file size for free

Smaller file, same content — in seconds

CloudProcessed on our servers — uploaded for this task only, not stored after download.

Upload a PDF. We re-save it with object streams and lighter metadata (typically ~10–30% smaller on many files).

Drop your PDF here

or click to browse

Max 50.0 MB per file

Quality

Pro for image compression

Your file still gets lossless cleanup either way. Upgrading to Pro adds real image recompression, which is where most of the size reduction below comes from.

How it works

Step 1
Upload your PDF
Drop a file up to 50 MB on the free plan.
Step 2
Choose quality
Pick compression level that fits your needs.
Step 3
Download
Get a smaller PDF ready to email or upload.

Popular uses

Shrink large PDFs for email attachments
Compress scanned documents before sharing
Reduce storage without retyping content

Frequently asked questions

Is it safe to upload my PDF?

Yes. Files are encrypted in transit (HTTPS) and deleted after processing. pdfCraft does not store or share your documents.

Do I need to create an account?

No account is required to use Compress PDF. Upload, complete the action, and download — free.

What is the maximum file size?

Free users: 50 MB per file, up to 50 pages. Pro users: 500 MB per file, unlimited pages.

Does it work on mobile and Mac?

Yes. pdfCraft runs in any modern browser on Windows, Mac, iPhone, and Android. No app install required.

How much will my file be reduced?

Results vary. Most PDFs see 30–80% reduction. Scanned and image-heavy PDFs compress the most.

Will compression reduce the quality of my PDF?

Default settings balance size and readability. Choose a lower quality preset for maximum compression.

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Privacy-first · Core tools need no signup · Works on any device