Compress PDF
Reduce PDF file size while optimizing for maximal quality.
No sign-up required · Files are deleted after 1 hour
Drag & Drop file here
or
Maximum upload size 1024 MB
More tools
About Compress PDF
Reduce PDF file size while keeping quality readable. Compress PDF is useful for email attachments, web uploads, or saving space. We optimize images and streams so the document stays clear while the size drops. Upload your PDF, choose compression level if available, and download the smaller file.
All processing is done on our servers; files are deleted after 1 hour. No account needed and no watermarks. For more PDF tools—merge, split, convert to Word or Excel—visit our home page.
What you can do
- Reduce file size without losing readability
- Adjust quality vs. size
- No watermarks
- Free and no sign-up
For Merge PDF, Split PDF, or PDF to Word, visit our home page.
Guides for this tool
- How to compress a PDF without losing quality
What actually makes a PDF large, which compression settings are safe, and why some files barely shrink no matter what you do.
- How to convert Word to PDF and keep the formatting
Why Word documents change when they become PDFs, how fonts, page size and tracked changes cause most problems, and a pre-flight checklist that prevents them.
- How to merge PDF files (and keep the pages in the right order)
Combine several PDFs into one document online or on your own computer, control the page order, and avoid the usual problems with bookmarks, forms and file size.