Compress PDF to 10MB online
Ten megabytes is a typical ceiling for some mail servers and older enterprise portals — this page starts there so you can compress once and send.
For any other KB/MB cap, use the main PDF target size tool.
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About this size target
Large slide exports and print-ready PDFs often land at 15–40 MB; compressing toward 10 MB keeps attachments deliverable without splitting ZIPs.
Your document never leaves the browser for conversion.
How to use
- Upload the large PDF.
- Keep the 10 MB preset (or lower it if your limit is smaller).
- Run compression and wait for completion.
- Download and attach or upload the new file.
FAQ
- How do I compress PDF to 2MB?
- Use the 2 MB landing page linked below, or set 2 in the MB field.
- Why can't some PDFs reach the target size?
- If the PDF is mostly compressed images already, gains are small. Pure vector text PDFs may need rasterization before size drops meaningfully.
- Is my PDF stored?
- No cloud copy is made; processing is local to your machine.
- How does PDF compression work?
- The pipeline renders each page, picks JPEG quality and scale, and rebuilds the PDF until the output is close to your cap.
- Will this work on a phone?
- Modern mobile browsers are supported, but very large files may run slowly or hit memory limits — a desktop tab is safer for huge PDFs.
Related PDF sizes
Related PDF scenarios
Related tools
- Compress PDF to Exact Size
Upload a PDF, pick a target file size (KB or MB), and download a smaller PDF tuned toward that goal. Runs in your browser with pdf.js and pdf-lib.
- Compress image to target size (KB)
Need photos under a byte limit instead? Use the image compressor with the same target-size workflow.