编辑PDF

在线编辑PDF文件。添加文本、图像、注释、高亮和形状到您的文档。

上傳PDF進行編輯

拖放PDF檔案到此處，或點選瀏覽。

關於此工具

编辑PDF提供一套全面的工具来修改和注释您的PDF文档。添加文本、图像、形状、高亮、评论等，无需昂贵的桌面软件。

直观的编辑器界面使您可以轻松标记文档以供审阅、添加协作注释、编辑敏感信息或用额外内容增强文档。

所有编辑都在您的浏览器本地进行，确保敏感文档的完全隐私。

使用方法

上传PDF文件
拖放您的PDF文件或点击选择要编辑的文档。
选择编辑工具
从工具栏中选择：文本、高亮、形状、图像、评论或编辑工具。
进行编辑
点击文档添加注释，拖动定位元素，使用属性面板进行自定义。
保存并下载
点击保存应用更改并下载编辑后的PDF。

使用場景

文档审阅

为协作审阅过程添加评论、高亮和标记到文档。

表单填写

填写文本字段、添加签名并完成PDF表单，无需打印。

内容编辑

在共享前永久删除文档中的敏感信息。

Practical guide

Why choose local processing?

Review documents can contain contracts, invoices, identity details, or internal business information, so keeping processing in the browser reduces exposure.
The website tool is free to use with no usage limits and does not require sign-in.
Local processing also keeps iteration fast: adjust options, preview the result, and export an updated PDF without waiting for an upload queue.

Best files for this tool

Best for PDF files that open correctly in a modern browser and are not intentionally damaged or restricted.
Works well for everyday business, school, legal, finance, and personal documents where you need an updated PDF.
For very large files, close unused tabs and process one batch at a time so the browser has enough memory.

Common limitations

Encrypted or permission-restricted PDFs may need to be unlocked before processing.
Scanned pages, unusual fonts, complex layers, and damaged files can reduce accuracy or processing speed.
Browser memory and device performance matter more for local tools than for upload-based services.

Local processing vs upload-based tools

Local tools keep routine website processing on your device, while upload-based tools send files to a remote server.
Upload-based services can move heavy work off your computer, but they add transfer time and require trusting a server with your files.
Use the API when you intentionally need server-side automation; use the website when you want private manual processing.

What to do if processing fails

Try a smaller file, a shorter page range, or one file at a time if the browser runs out of memory.
If a PDF is encrypted, damaged, or restricted, unlock or repair it first and then retry the workflow.
If the output looks wrong, check whether the source file uses scans, complex transparency, form fields, or unsupported embedded objects.

API automation

Use API docs to plan automated PDF workflows. If this exact website workflow is not exposed as an endpoint yet, you can still use available PDF API tools and Credits for supported operations.

View API automation docs Create API Key

常見問題

可以编辑PDF中的原始文本吗？

此工具专注于添加注释和新内容。要编辑现有文本，您可能需要使用原始源文档。

我的编辑是永久的吗？

注释可以扁平化使其永久，或根据您的偏好保持为可编辑图层。

可以撤销更改吗？

是的，编辑器支持撤销/重做功能。您也可以在保存前随时重置为原始文档。

签署PDF編輯與註釋

添加水印編輯與註釋

表单填写編輯與註釋