Compress PDF Online Free
Reduce PDF file size for easier sharing, email attachments and uploads. Choose the compression level that best fits your quality and size needs.
Upload your PDF
How to compress a PDF online
- Upload a PDF: Choose a PDF file from your device or drag it into the upload area.
- Select compression: Pick Low, Medium or High compression depending on your preferred quality and file size.
- Compress the file: Click the Compress PDF button and wait while your document is processed.
- Download your PDF: Review the size comparison and download the processed PDF when it is ready.
Why compress PDF files?
- Make PDF files easier to attach in emails.
- Reduce upload time on forms and portals.
- Save storage space on your device or cloud drive.
- Choose a level based on quality and file-size requirements.
- No account or signup is required.
Are my PDF files private?
Your uploaded PDF is used only to process the compression request. Temporary input files are removed after processing, and the generated output is automatically deleted from the server after 30 minutes. You may also delete the output file manually.
Compress PDF FAQ
Is this PDF compressor free?
Yes. You can compress a PDF online for free without creating an account.
What is the maximum PDF file size?
You can upload one PDF file up to 200 MB in size.
Which compression level should I choose?
Choose Low compression for better image quality, Medium for a balanced result, or High compression when reducing file size is your top priority.
Will compression always make my PDF smaller?
Not always. Some PDFs, especially files that are already optimized or contain mostly text, may not reduce significantly and can occasionally remain close to their original size.
Can I compress a password-protected PDF?
Password-protected PDFs may not be processed. Unlock the PDF first and then upload it again for compression.