SP
Sounny PDF Compressor
All work stays in your browser. No upload to a server.
1) Add your PDF
Drag & drop a PDF here, or click to pick a file
Max size depends on your device memory. Try one file at a time.
File name
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Pages
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Original size
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Est. new size
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No estimate yet.
2) Pick options
Render DPI
72 (smallest)
96
150
200
300 (largest)
Higher = larger file
JPEG Quality
75%
Grayscale
Reduces size for scans
Preview sample pages
First only
Every 2nd
Every 5th
Every 10th
For better estimate
Update estimate
Compress & Download
Reset
Working…
Tip: Start with 96 DPI and 70–80% quality. Use grayscale for scans. Try 150 DPI for fine text.