Compress PDF
Reduce PDF file size while keeping the document readable.
Drag and drop a PDF here, or
Select one PDF file to compress.
How it works
- 1Upload the PDF you want to make smaller.
- 2Choose Auto compression for High, Medium, or Express, or choose Target file size.
- 3For a target, enter a size such as 10 MB or 800 KB.
- 4Compress the PDF and download the smaller file.
Related guides
Step-by-step help for Compress PDF and the tasks around it.
- How to Compress a PDF for a Job Application UploadJob portals often enforce strict size caps. Get your resume, certificates, or portfolio under the limit without losing legibility.
- How to Compress a PDF to Under 100KB OnlineHit a strict 100KB limit reliably using a target file size mode instead of guessing with automatic presets.
- How to Compress a PDF Without Losing QualityShrink a PDF for email or upload limits while keeping it readable, using either automatic compression or a specific target file size.
- How to Reduce PDF File Size for Email AttachmentsMost email providers cap attachments around 20 to 25MB. Here is how to get under that limit reliably.
- PDF File Size Limits: Why Uploads Get Rejected and How to Fit Under Any LimitEmail caps, portal limits, and form restrictions all reject oversized PDFs. Here is how to find out what makes your file heavy and how to get it under the limit.
Frequently asked questions
- Yes. Target file size mode tests several browser-safe compression levels and stops when it finds a result at or below your requested size. Some PDFs cannot reach very small targets without a larger quality loss or a different compression method.
- High keeps more visual detail, Medium balances quality and file size, and Express prioritizes a smaller file and quicker processing.
- No. Compression runs in your browser, so the PDF stays on your device.