Compress PDF Online
Compress PDF helps optimize the document structure in the browser. It can reduce some files, especially when the PDF can be saved more efficiently.
Compression Options
Only edit documents that you own or are legally authorized to modify. Do not use this website to alter documents for fraud, misrepresentation, identity misuse, or any illegal purpose. You are fully responsible for how you use edited documents; Edit Scanned PDF is not responsible for unlawful or unauthorized use.
What Compress PDF does
The Compress PDF action resaves the open document using browser PDF optimization. It is honest compression: some PDFs shrink well, while scanned image-heavy PDFs may not reduce much without advanced image recompression.
How to use Compress PDF
- Choose scanned or normal PDF mode.
- Upload your PDF.
- The Compress PDF dialog opens in the editor.
- Run compression, preview the result, and download.
Best uses for Compress PDF
Email attachments
Try reducing file size before sending.
Document cleanup
Resave a PDF with optimized structure.
Browser workflow
Compress after editing without leaving the editor.
Helpful tips
- Large scanned images may need stronger future compression.
- Preview after compression before download.
- If a file does not shrink, the PDF may already be optimized.