You don’t need expensive software for basic PDF tasks. In fact, all you need is a handful of free web-based apps.

如何减小PDF文件大小 (How to Reduce PDF File Size) 在数字化时代，PDF文件因其便携性和兼容性而广泛应用于各种场合。然而，随着文件内容的增加，PDF文件的大小也可能变得相当庞大，这不仅影响存储空间，还可能在传输和分享时造成不便。因此，掌握减小PDF文件大小 ...

Windows: PDF Rider is a simple but effective tool for merging and splitting PDF files, extracting and inserting pages, and performing other PDF manipulations. PDF Rider is a GUI wrapper for the ...