QuakeStar Guides

Practical explanations of PDF compression, image resizing, file formats, and the settings that control them. These guides are designed to help you choose the right approach for your actual task.

PDF guides

• How to Compress a PDF Without Losing Too Much Quality
• Why Is My PDF File So Large?
• How to Make a PDF Small Enough to Email
• Understanding Scanned PDF Compression

Image guides

• How to Resize an Image Without Stretching It
• JPEG vs. PNG vs. WebP
• Image Resolution vs. File Size
• Pixels, DPI and PPI Explained