PDFPerch · 100% 浏览器本地处理
目标体积压缩
设定 500KB、2MB 等目标大小，自动寻找合适压缩质量，尽量卡线通过上传限制。 核心处理在你的设备上完成，文件不会上传服务器。
Target total file size
The output must stay below this ceiling.
Quality boundary: this method rebuilds pages as JPEG images. It removes old metadata and works best for scans and image-heavy PDFs, but selectable text and vector content become rasterized. Extremely low targets may be impossible without making pages unreadable.
The source ArrayBuffer is transferred—not copied—to a background Worker.
100% 浏览器本地处理