Compress PDF Online
Reduce your PDF file size instantly. Upload your PDF and download a smaller version in seconds.
Drop your PDF here or click to upload
PDF files only — max 10MB
ToolSnap PDF Compressor is a free online tool that lets you reduce PDF file size instantly — no software installation, no account required. Whether you need to compress a PDF for email, uploading to a website, or saving storage space, our tool handles it in seconds. It supports all types of PDFs including scanned documents, presentations, and forms. Simply upload your file, choose your compression level, and download a smaller PDF without losing readability.
How to Compress a PDF Online
- Upload your PDF by dragging it into the box or clicking to select
- Choose your compression level — low, medium, or high
- Click Compress and wait a few seconds
- Download your compressed PDF
Frequently Asked Questions
Is this PDF compressor free?
Yes, completely free. No account required, no watermarks added.
Will compression reduce PDF quality?
Low compression keeps near-original quality. Medium and high compression reduce image quality slightly to achieve smaller file sizes.
What is the maximum file size?
Free users can compress PDFs up to 10MB. Pro users get up to 100MB.
Is my PDF stored on your servers?
No. Your PDF is processed and immediately deleted. We never store your files.
Why Use ToolSnap's PDF Compressor?
ToolSnap's PDF Compressor gives you precise control over compression — choose low, medium, or high to balance file size and quality. Unlike desktop software, there is nothing to download or install. It works on any device, any browser, for free. No watermarks are ever added to your compressed PDFs. Your files are processed server-side and deleted immediately, so you can compress sensitive business documents with confidence.
Who Is This Tool For?
Ideal for students uploading assignments under a file size limit, professionals emailing large reports, HR teams handling contracts, and anyone who needs to share PDFs over email, messaging apps, or cloud storage without hitting file size restrictions. Also useful for web developers optimizing PDF assets and small businesses reducing storage costs.