Reduce PDF file size while preserving your document. Upload one PDF, choose a compression level, and download the optimized file securely for free.
Reduce PDF file size online with our free PDF compressor. Choose the compression level that fits your needs and create a smaller PDF while maintaining an appropriate balance between file size and document quality.
Optimize PDF documents to make them smaller for uploading, sharing, storing, and sending online.
Choose Recommended, Maximum Compression, or High Quality depending on the balance you want between size and quality.
Your document remains a PDF after processing, so you can continue viewing and sharing it as a standard PDF file.
Your document is processed using temporary server files that are removed after processing is complete.
Reduce your PDF file size in four simple steps.
Click Select PDF File, drag and drop your document, or import a PDF from Google Drive or Dropbox.
Select Recommended, Maximum Compression, or High Quality based on your preferred result.
Click Compress PDF and wait while the document is processed and optimized.
Download the processed PDF when compression finishes. The result shows how much file size was saved.
Common ways people reduce and optimize PDF file sizes.
Large PDF files can take longer to upload, download, send by email, or store online. PDF compression can reduce the amount of storage required while keeping the document in PDF format.
Compression results vary depending on the contents of the document. PDFs containing large images often have more potential for size reduction than files that have already been optimized. If processing would make the file larger, the compressor can return the original PDF instead.
Select a PDF file, choose your preferred compression level, and click Compress PDF. Download the processed document when compression is complete.
Yes. You can use the Compress PDF tool without creating an account.
Recommended provides a balance between file size and visual quality. Maximum Compression prioritizes a smaller file, while High Quality prioritizes document quality.
It can, particularly when stronger compression is applied to images. Use High Quality when visual quality is more important than achieving the smallest possible file.
Some PDFs are already efficiently compressed and may have little or no additional size reduction available. Results depend on the document's contents and existing optimization.
The current upload limit is 100 MB per PDF, and the compressor supports documents containing up to 500 pages.
No. The compressor creates a processed output file. The original PDF stored on your device is not modified.
No. The processor uses temporary files for processing and removes temporary processing files after the request finishes.
Encrypted or password-protected PDFs may not be accepted by the current processor. If you are authorized to modify the document, remove its protection before uploading it.