Compress PDF
Reduce PDF file size without losing readable quality.
Loading the tool…
Runs on your device. Nothing is uploaded.What Compress PDF does
Big PDF, small attachment. Shrink scans and heavy reports so they fit email limits and upload forms — without sending the file anywhere.
Balanced mode keeps text sharp enough to print Your original file stays untouched Works with files up to 500 MB
How it works
- 1Choose the PDF file you want to make smaller.
- 2Pick a compression level — balanced works for most documents.
- 3Download the compressed file. The original stays untouched.
Common questions
Is my PDF uploaded to a server?
No. Compression runs inside your browser, so the file never leaves your device. That also means there is no upload wait, even for large files.
Will the quality drop?
Text stays sharp. Images are re-encoded at a lower quality, which is where most of the size saving comes from. Balanced mode is safe for documents you need to print or submit.
Is there a file size limit?
Files up to 500 MB are accepted. Your device does the work, so very large files depend on how much memory it has, and we warn you before starting if a file looks heavy.
Guides
GuideHow to compress a PDF to under 1 MB without uploading itUpload limits, scanned pages and why some PDFs barely shrink — and the quickest way to get a PDF under the size a form asks for.