About PDF Compression Tool
This free online PDF compressor reduces file size by optimizing images, removing duplicate resources, and cleaning unnecessary metadata. Perfect for reducing large PDFs to meet email attachment limits (typically 10-25MB) or to save storage space.
Compression Levels Explained:
- Low Compression: Reduces size by 10-30% with virtually no quality loss. Best for professional documents, presentations, or when image quality is critical.
- Medium Compression (Recommended): Reduces size by 30-50% while maintaining good visual quality. Optimal balance for most use cases including email attachments.
- High Compression: Reduces size by 50-70% with acceptable quality loss. Images may appear slightly degraded but remain readable.
- Extreme Compression: Reduces size by 70-90% with noticeable quality reduction. Best for archiving or when file size is the primary concern.
Features:
- Image Optimization: Compresses images within PDF using advanced algorithms
- Smart Compression: Automatically detects and optimizes different content types
- Resource Removal: Removes duplicate objects and unused resources
- 100% Client-Side: All compression happens in your browser - files never uploaded
- No Limits: Compress PDFs of any size your browser can handle
- Before/After Comparison: See exactly how much space you've saved
When to Use PDF Compression:
- Email attachments that exceed size limits (10MB, 25MB)
- Reduce cloud storage usage
- Faster file sharing and downloads
- Archive large document collections
- Optimize website PDFs for faster loading
- Reduce bandwidth costs for file hosting