Drag & Drop your PDF file here
or
Reduce the file size of your PDF documents while optimizing for the best quality.
Drag & Drop your PDF file here
or
Click 'Select PDF File' or drag and drop your document into the upload area.
Select your desired compression level. We recommend the default for a good balance.
Click 'Compress PDF'. Your new, smaller file will be ready to download instantly.
Your files are never uploaded to any server. All compression happens locally in your browser.
Our tool intelligently reduces file size without destroying image quality, giving you the best result.
Compress as many PDF files as you want, for free. No limits, no watermarks, no sign-ups.
Yes, it is 100% safe. Your files are processed directly in your web browser using JavaScript. Nothing is ever uploaded to our servers, which guarantees your privacy.
Yes, any compression involves a trade-off between file size and visual quality, especially for images. Our 'Recommended' setting provides a great balance for most documents. Note that compressing a PDF often converts vector graphics and text into images, which means you may not be able to select text in the compressed file.
Our tool works by rendering each page of your PDF as an image and then re-compressing that image at a lower quality setting before putting it back into a new PDF document. This is highly effective for PDFs containing large images.