How to Compress a PDF Online — For Free
Need to shrink, minimize, or decrease a PDF file size before emailing or uploading? Here's the fastest PDF reducer to compress your documents without losing quality.
4 Simple Steps to Compress Your PDF
- 1
Upload Your PDF
Click the upload area above or simply drag and drop your PDF file. We accept files of any size — no sign-up needed.
- 2
Pick a Compression Level
Choose from Balanced, Quality, Small, or Maximum compression. If you're not sure, go with Balanced — it gives you a great mix of small size and good quality.
- 3
Hit "Compress" and Wait a Few Seconds
Our tool processes your PDF right inside your browser. Nothing gets uploaded to a server, so your documents stay completely private.
- 4
Download Your Compressed PDF
Once it's done, you'll see exactly how much space you saved. Click Download to grab your smaller file — it's that simple.
Why Use QuickPDF to Compress Your PDFs?
100% Private & Secure
Your files never leave your device. All compression happens locally in your browser — we don't store, read, or share your documents.
Fast PDF Reducer
Our compression engine is optimized for speed. Minimize PDF size in under 5 seconds, even for documents with high-resolution images.
Compress PDF to 100kb, 200kb, 1MB
Perfect for strict file size limits. Whether you need to compress PDF to 100kb, 200kb, or 1MB, our tool balances size and quality automatically.
When Should You Compress a PDF?
Large PDF files can be a real headache. Here are the most common situations where compressing saves you time and frustration:
Your Files Stay on Your Device
Unlike most online tools, QuickPDF compresses files entirely inside your browser. Tax returns, contracts, medical records — nothing is ever uploaded to any server. It's the safest way to shrink a PDF online.
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