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PDF page numbers

Pick the position from a nine-cell grid, with formats such as page 1 of 5, skipping the cover or numbering only given pages

PDF 在你的浏览器里编号,不上传服务器

把 PDF 拖到这里,或点击选择

一次处理一个文件;页码是"叠加"上去的,原有内容不会改动

PDF 加页码的常见用法

打印与装订。纸质材料一旦散页就很难复原顺序,尤其是多份材料一起提交时。给每页打上「1 / 12」这样的页码,评审翻页对不上能立刻发现,也能避免装订顺序出错。这种场景建议用底部居中、字号 10~12pt、颜色用深灰而不是纯黑,打印出来醒目又不抢正文。

提交材料要求连续页码。不少政企报名、职称评审、投标文件明确要求"整份材料连续编号"。如果你的正文是一份、附件是另一份,可以先把它们合并,再统一加页码;也可以分两次处理,把第二份的「起始页码」设成正文最后一页的下一页,页码就能接上。

合并多个 PDF 后统一编号。多来源文件各自的页眉页脚往往不一致。合并后用本工具统一加一遍页码,视觉上才像一份完整文档;如果各来源原本已带页码,新页码会叠加在空白边距处,建议先把边距调大一点(例如 30~40pt),避开原有页脚。

封面、目录不编号。最常见的做法是把「跳过前 N 页」设成 1 或 2:封面和目录保持干净,正文从第 1 页开始编号。若你希望正文页码与 PDF 的实际页序一致(即封面算第 1 页,只是不显示页码),把「起始页码」设成跳过页数加一即可。

为什么中文页码要"画成图"。浏览器端的 PDF 库自带字体只覆盖西文,直接写中文会编码失败。本工具改用系统字体绘制后转成透明图片叠加,因此中文格式的字形可能与原文略有差异、清晰度取决于字号大小;对页码这类小字完全够用。只要格式里不含中文(如 1、1 / 5、Page 1 of 5),就会使用矢量文字,放大不糊。

关于隐私:编号过程完全在你的浏览器内完成,PDF 不会被上传到任何服务器——可在浏览器开发者工具的 Network 面板核验没有文件上传请求。合同、成绩单、身份证这类材料可以放心处理。原文件不会被修改,输出是一份新的 PDF。

FAQ

Will adding page numbers hurt quality or bloat the file?

Numeric format is vector text: it barely adds size, and existing page content is neither re-encoded nor recompressed; the Chinese format embeds a tiny transparent image per page (typically 2-6KB per page), so even with many pages the growth stays modest.

What if the number covers original content?

Increase the 'margin' (e.g. 36-48pt) or pick another position. Some PDFs have inconsistent footer positions from page to page - scans especially - so you may need a try or two to find a good spot; regenerating never modifies your original file, so feel free to experiment.

How do I keep the cover page unnumbered?

Set 'skip the first N pages' to 1 (set 2 if the cover and the table of contents should both be unnumbered). Skipped pages get no mark at all, and the numbering of the rest is unaffected.

Can I number only some pages?

Yes. Fill in a range in 'number only this range', e.g. 3-10 or 3-10,15, and only those pages get numbers. Parts beyond the total page count are trimmed automatically with a notice and never cause a failure.

It says the PDF is encrypted - what now?

PDFs with an open password cannot be parsed in the browser. First open the file in a reader (Adobe Acrobat, the system preview, etc.), save a copy without the password, then add page numbers to that copy.

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