Compress PDF Files Online
Reduce PDF file size for easier sharing, uploading, and storage — without breaking layout.
Drop your files here
PDF only • up to 300 MB
What is PDF compression?
Compressing a PDF reduces its file size by optimizing images and internal structure. This makes documents easier to upload, email, or store while keeping text readable and layout intact. PDF compression is commonly used when file size limits apply or faster sharing is required.
How it works
- 1Upload your PDF
Drop your file or select it from your device.
- 2Compression is applied
The file is processed automatically to reduce size.
- 3File size is reduced
You get a smaller PDF that is easier to share or store.
- 4Download
Download the compressed PDF.
When should you compress a PDF?
- PDF is too large for email
- Website upload has file size limits
- You want faster sharing
- Storage space needs to be reduced
- Large image-heavy PDFs
Does compression affect quality?
Compression mainly optimizes images and internal structure. Text remains readable and layout is preserved.
Visual quality may slightly change for high-resolution images. The result is suitable for everyday documents, forms, and reports.
How credits are used
- Compressing one PDF uses 1 credit
- Credits work across all PDF tools
- Preview is available before using a credit
- Credits do not expire
- One-time purchase, no subscription
See pricing for details.
File security and privacy
Files are processed temporarily and are not stored permanently. After processing, your documents are deleted. They are not shared with third parties.
Guides related to PDF compression
Step-by-step instructions and best practices for compressing PDFs. Guides live on our guides section.
Compress PDF – Frequently Asked Questions
Related PDF tools
PDF compression explained
A PDF compressor reduces file size by re-encoding images and streamlining the document structure. This shrink pdf size process keeps text and layout intact while making the file easier to send or store. Use a compress pdf online tool when you need to meet size limits or speed up transfers.
Reduce pdf file size for email, forms, or reports without losing readability. The result remains a standard PDF that opens in any viewer. For more options, try our PDF to Word, PDF translator, or merge PDF tools.