🔖 PDF 书签列表PDF Bookmarks
列出 PDF 书签（大纲）标题和层级，可复制或下载为 TXT / JSON。本地处理。可设置「打开密码」。List PDF bookmark (outline) titles with their levels, then copy them or download as TXT / JSON. Processed locally. Settings: Password.
使用说明与常见问题How-to & FAQ
「PDF 书签列表」是什么？What is the PDF Bookmarks tool?
列出 PDF 书签（大纲）标题和层级，可复制或下载为 TXT / JSON。本地处理。可设置「打开密码」。List PDF bookmark (outline) titles with their levels, then copy them or download as TXT / JSON. Processed locally. Settings: Password.
如何使用「PDF 书签列表」？How do I use the PDF Bookmarks tool?
在「PDF 书签列表」中，选择或拖入文件，然后点击「列出书签」、「复制」、「下载 TXT」、「下载 JSON」按钮即可。加密的 PDF 会提示输入密码（出现「打开密码」栏和「打开」按钮），输入密码并点「打开」后再继续。In the PDF Bookmarks: Choose or drop your files, then click "List bookmarks", "Copy", "Download TXT", "Download JSON". For an encrypted PDF, the page asks for its password (a Password field and an Open button appear) — enter it, click Open, then continue.
能编辑吗？Can I edit?
本页只列出书签（按层级缩进），不能修改。This page only lists bookmarks (indented by level); it cannot edit them.
导出格式？Export formats?
「复制」复制缩进文本；「下载 TXT」同样是每行一条、两个空格表示一级缩进；「下载 JSON」是 [{title, level, children}] 的树结构。Copy copies the indented text; Download TXT saves the same one-per-line list (two spaces per level); Download JSON saves a [{title, level, children}] tree.
有哪些选项可以调整？What options can I adjust?
「PDF 书签列表」的设置：「打开密码」可留空；可选文件：PDF。每次生成结果都按当前设置处理。Settings in the PDF Bookmarks — "Password" optional; files: PDF. The result always uses the current settings.
「PDF 书签列表」免费吗？需要注册吗？Is the PDF Bookmarks free? Do I need an account?
「PDF 书签列表」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The PDF Bookmarks is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.