📑 PDF 提取页面Extract PDF Pages
从 PDF 中挑出需要的页面另存为新文件：输入页码范围或直接点击缩略图选择，还能按输入顺序重新排列页面，原页面无损复制，不上传文件。Pull selected pages out of a PDF into a new file — type a page range or click thumbnails, optionally in a new order. Pages are copied losslessly and nothing is uploaded.
使用说明与常见问题How-to & FAQ
「PDF 提取页面」是什么？What is the Extract PDF Pages tool?
从 PDF 中挑出需要的页面另存为新文件：输入页码范围或直接点击缩略图选择，还能按输入顺序重新排列页面，原页面无损复制，不上传文件。Pull selected pages out of a PDF into a new file — type a page range or click thumbnails, optionally in a new order. Pages are copied losslessly and nothing is uploaded.
如何使用「PDF 提取页面」？How do I use the Extract PDF Pages tool?
在「PDF 提取页面」中，按需设置「要提取的页」等选项，然后点击「提取为新 PDF」按钮即可。支持拖放文件。加密的 PDF 选好后会先出现「打开密码」栏和「打开」按钮，输入密码点「打开」后再继续。In the Extract PDF Pages: Set "Pages to extract", then click "Extract to new PDF". Drag-and-drop files is supported. For an encrypted PDF, a Password field and an Open button appear after you choose it — enter the password and click Open first.
页码范围怎么写？How do I write page ranges?
用逗号分隔，例如 1-3,5,8- 表示第 1 到 3 页、第 5 页和第 8 页到最后一页；-3 表示前 3 页。也可以直接点击下方的页面缩略图来选择。Separate with commas: 1-3,5,8- means pages 1 to 3, page 5, and page 8 to the end; -3 means the first three pages. You can also click the page thumbnails below.
提取的页面顺序可以调整吗？Can I change the page order?
可以。页面会按你输入或点击缩略图的顺序排列，例如输入 5,2-3（或依次点击第 5、2、3 页）会得到第 5、2、3 页；重复的页码只保留一次。Yes. Pages appear in the order you type them or click the thumbnails — 5,2-3 (or clicking pages 5, 2, 3 in turn) gives pages 5, 2, 3. Duplicate page numbers are kept only once.
和“拆分 PDF”有什么区别？How is this different from Split PDF?
提取是把选中的页面放进同一个新 PDF；拆分是把文档切成多个独立文件。Extract puts the chosen pages into one new PDF; Split cuts the document into several separate files.
加密的 PDF 可以处理吗？Can it handle password-protected PDFs?
可以。如果 PDF 需要打开密码，会提示你输入；只有权限限制（无打开密码）的文件会自动打开。输出文件不再带密码，如需加密请使用“PDF 加密”工具。Yes. If the PDF needs an open password you'll be asked for it; files with only permission restrictions open automatically. The output is not password-protected — use the Protect PDF tool if needed.
文件会上传到服务器吗？Are my files uploaded?
不会。PDF 在你的浏览器里用 pdf-lib / pdf.js 处理，文件不会离开你的设备，关闭页面后不留存任何数据。No. The PDF is processed in your browser with pdf-lib / pdf.js; files never leave your device and nothing is kept after you close the page.
「PDF 提取页面」免费吗？需要注册吗？Is the Extract PDF Pages free? Do I need an account?
「PDF 提取页面」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 Extract PDF Pages is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.