Free online PDF bookmark editor and manager - Add/edit/delete bookmarks
点击上传或拖拽PDF文件到此处
支持任意大小的PDF文件
PDF书签（也叫大纲或目录）是PDF中的导航结构，显示在阅读器的侧边栏中。点击书签可直接跳转到对应页面，特别适合长文档、技术手册、论文等，极大提升阅读体验和导航效率。
书签数据非常小（通常几KB），对PDF文件大小的影响可以忽略不计。每个书签只存储标题文本、页码引用和层级关系，不会增加页面内容。
完全不会！所有处理都在浏览器本地完成，使用pdf-lib库直接在内存中操作PDF，文件数据绝不上传到任何服务器，安全可靠。
No. PDF Bookmark Editor is a web-based tool — just open it in your browser and start using it. No downloads, plugins, or extensions required.
Yes. PDF Bookmark Editor is fully responsive and works on phones, tablets, and desktops. The interface adapts automatically to your screen size.
PDF Bookmark Editor has no usage limits — it's free and unlimited. Since processing is done client-side, speed depends on your device. For very large files, we recommend processing in batches for the best experience.
Yes, PDF Bookmark Editor is completely free to use. No registration or login required — all features are available immediately.
Absolutely. All processing happens locally in your browser. No data is sent to any server, so there's zero risk of data leaks. Your information stays completely under your control.
We preserve original quality whenever possible. For compression, you can choose the compression level to balance file size and quality.
Some tools support encrypted PDFs. If the file is password-protected, you'll need to provide the password first.