線上編輯PDF

線上編輯PDF檔案。新增文本、影像、注释、高亮和形状到您的文件。

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

編輯PDF提供一套全面的工具来修改和注释您的PDF文件。新增文本、影像、形状、高亮、评论等，无需昂贵的桌面軟體。

直观的編輯器界面使您可以轻松标记文件以供审阅、新增协作注释、編輯敏感資訊或用额外内容增强文件。

所有編輯都在您的瀏覽器本機进行，确保敏感文件的完全隐私。

使用方法

上傳PDF檔案
拖放您的PDF檔案或點選選擇要編輯的文件。
選擇編輯工具
从工具栏中選擇：文本、高亮、形状、影像、评论或編輯工具。
进行編輯
點選文件新增注释，拖动定位元素，使用属性面板进行自定义。
保存并下載
點選保存应用更改并下載編輯后的PDF。

使用場景

文件审阅

为协作审阅过程新增评论、高亮和标记到文件。

表單填写

填写文本字段、新增签名并完成PDF表單，无需打印。

内容編輯

在共享前永久刪除文件中的敏感資訊。

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

可以編輯PDF中的原始文本吗？

此工具专注于新增注释和新内容。要編輯现有文本，您可能需要使用原始源文件。

我的編輯是永久的吗？

注释可以扁平化使其永久，或根据您的偏好保持为可編輯图层。

可以撤销更改吗？

是的，編輯器支援撤销/重做功能。您也可以在保存前随时重置为原始文件。

签署PDF編輯與註釋

新增水印編輯與註釋

表單填写編輯與註釋