PDF Compressor
Professional-grade PDF optimization. Reduce file size locally in your browser.
Select PDF Files
Drag & drop your PDFs here or click to browse
100% Secure
Fast Local Processing
Let’s See How it WorksCompress PDF
Upload PDF
Drag and drop or select a PDF from device; the tool analyses file size, image resolution, and compression opportunities instantly for optimization preview.
Choose Compression Level
Select compression strength—low (minimal quality loss), medium (balanced size/quality), or high (maximum compression)—and preview estimated file size reduction before processing
Compress and Download
Click Compress to reduce file size while maintaining readability; download the optimized PDF—smaller size, faster sharing, preserved formatting, no watermarks.
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General Attributes
What does the Compress PDF tool do?
What types of PDFs compress best?
What is the maximum file size I can compress?
Can I compress an already-compressed PDF further?
Troubleshooting Attributes
Why does my PDF fail to upload?
Why did I get an error during compression?
Why are some pages missing after compression?
Why can’t I download the compressed PDF?