Reduce PDF file size
这取决于级别。低压缩保留所有数据。平衡和高压缩可能会删除元数据，但保持内容质量。
对于大多数基于文本的PDF，不会有明显差异。图像密集的PDF在高压缩下可能会显示最小的差异。
文本密集的PDF：减少20-50%。图像密集的PDF：减少10-30%。结果因原始文件结构而异。
Divide PDF into separate files by page range or extract specific pages.
Learn how to effectively reduce PDF file size through compression, splitting, and optimization for easier sharing and storage.
Understand why PDFs become blurry after compression and how to reduce file size while maintaining document clarity.
Combine multiple PDF files into one document. Fast, free, and secure.