[Linux] 各种文件格式转换工具 (File type convert tools)

pdf 转成图片，图片png 压缩成 jpg

With this tool, users can easily select a folder containing PNG images, set the output folder for the converted JPG images, adjust quality and dimensions, and initiate the conversion process.

Convert images from PNG to JPG

api handle image on golang, watermar, convert2jpg

WaterMarkIt is a simple web application that allows you to easily add watermarks to a list of images, convert them to JPG format, and download them as a ZIP archive. You can configure the watermark size and position and save these settings locally in your browser.