PDFPerch · 100% 浏览器本地处理
保护 PDF
检查密码强度并配置文档权限限制。
Important: pdf-lib can read and rewrite many PDFs, but it does not export standard password-encrypted PDFs. This screen is the production UI shell; the final encryption engine must be supplied by a WASM or SDK backend running in the browser.
100% 浏览器本地处理