And many of them only work in particular environments. However, most of them can only create documents, they cannot modify existing ones. There are other good open source JavaScript PDF libraries available.
Two of pdf-lib's distinguishing features are: Pdf-lib was created to address the JavaScript ecosystem's lack of robust support for PDF manipulation (especially for PDF modification). Embed Fonts (supports UTF-8 and UTF-16 character sets).Learn more at pdf-lib.js.org Table of Contents
