Portable Document Format (PDF) has been widely used for electronic documents in our daily life, either in work or personal file exchange. According to Adobe, PDF has been around for more than 15 years, with more than 250 million circulating on the Internet. But why PDF, and not the typical text files, docs, etc? Adobe has a good answer for that - Multiplatform, Extensible, Trusted and reliable, Rich in file integrity, More secure, Searchable and Accessible. Click here to read more about Adobe PDF.
We present you 80+ Free Tools, Tips and Resources to help you master and get the best out of PDF documents. Full list after jump.
Mastering PDF: 80 Free Tools, Tips and Resources
点评：相当全的PDF工具和资源列表，强烈建议收藏：）
Leave a Reply