比較PDF
比較兩個PDF文檔。高亮顯示版本之間的差異。
上傳原始版本 PDF
上傳修改版本 PDF
關於此工具
比較PDF分析兩個PDF文檔並高亮顯示它們之間的差異。非常適合審閱文檔修訂、檢查合同更改或驗證編輯。
以並排或疊加模式查看文檔，差異會高亮顯示。該工具識別文本更改、新增和刪除。
所有比較都在您的瀏覽器中進行，確保您的文檔保持隱私。
Practical guidance before you use 比較PDF
Best for real document workflows
Use 比較PDF when you need a quick browser-based result without creating an account or sending routine documents through an unnecessary upload workflow. 合同審閱 is a common example: 比較合同版本以識別更改。
Privacy and file handling
EasyPDFNex prioritizes local processing in your browser. That means supported PDF operations run on your device, not in a public cloud queue. For sensitive files, review the output before sharing it, close the browser tab after downloading, and avoid processing documents you are not authorized to edit.
Quality checks after processing
After you 導出結果, open the result and check page order, text readability, signatures, links, and form fields. If the source file is scanned, encrypted, very large, or damaged, try a related workflow such as merge pdf, view metadata, edit pdf before repeating the task.
Start with a clean source file whenever possible. For 比較PDF, the first step is usually "上傳兩個PDF": 上傳原始和修改後的PDF文檔。 This simple preparation step prevents most failed exports, missing pages, and formatting surprises.
Editorial review note
This guidance is maintained by the EasyPDFNex editorial team and reviewed for practical PDF workflow accuracy. Tool pages are written to explain when a feature is useful, what to check before download, and where browser-based processing has limits.
使用方法
上傳兩個PDF
上傳原始和修改後的PDF文檔。
比較文檔
以並排或疊加模式查看高亮顯示的差異。
導出結果
下載比較報告或帶注釋的PDF。
使用場景
合同審閱
比較合同版本以識別更改。
文檔修訂
審閱文檔版本之間的編輯。
品質保證
驗證只進行了預期的更改。
常見問題
檢測哪些類型的差異？
文本新增、刪除、修改和格式更改。
可以比較掃描的文檔嗎？
掃描的文檔應先進行OCR處理以進行文本比較。
有視覺比較嗎？
是的，疊加模式顯示頁面之間的視覺差異。