如何線上壓縮 PDF 檔案

Why Compress PDFs?

PDF compression helps with:

Email attachment size limits

Faster web downloads

Storage space savings

Mobile device optimization

Visit the PDF Compressor and upload your PDF file.

Select quality setting:

High Quality: Minimal compression, best for printing

Balanced: Good quality with moderate size reduction

Maximum Compression: Smallest file, suitable for web

Get your optimized PDF with significantly reduced file size.

Image Quality: Images are the main size factor

Fonts: Embedded fonts increase file size

Resolution: 150 DPI is sufficient for most uses

Metadata: Remove unnecessary metadata

PDF to Image - Convert PDF pages to images

Image Compressor - Compress images before PDF creation

Image Converter - Convert images to PDF-friendly formats