How to Build a Browser-Based PDF Watermark Tool Using JavaScript
This tutorial demonstrates how to add PDF watermarks directly in the browser using JavaScript and the PDF-lib library without a backend, supporting text/image watermarks, adjustable opacity/rotation, page selection, positioning controls, and direct PDF download.
入选理由:使用PDF-lib库可在浏览器端直接处理PDF,实现水印添加,无需后端服务器。



