Drag & drop your file here, or click to select
Max file size: 10MB
How to Compress PDF
Reduce PDF file size online for free without losing quality. Secure client-side compression.
1
Upload PDF
Select or drag and drop your large PDF file.
2
Choose Quality
Select Low, Medium, or High compression level.
3
Download
Get your optimized, smaller PDF file instantly.
Why Use FormatWiz?
Premium features, completely free.
Smart Compression
Intelligent algorithms reduce size while preserving quality.
100% Private
All compression happens locally in your browser via WebAssembly.
Adjustable Quality
Choose the perfect balance between file size and clarity.
100% Secure
Files never leave your device. All processing happens in your browser.
Lightning Fast
No upload waiting times. Instant conversion tailored for your device.