Compare Text, Word Documents or PDF files online

依序按照下列步驟使用 Adobe Acrobat 的「比較文件」功能，以比較 PDF 檔案的兩個版本並取得兩者之間差異的詳細報告。

Free online tool to compare PDF files. Shows differences of two PDFs files quickly. Easy to use. Without installation. Without registration.

Review and compare 11 best compare PDF tools. For each, we list its pros and cons. Then we give an overall comparison table.

Using our online diff checker software, you can compare any two PDF files, Word documents, Excel spreadsheets, P files and PowerPoint presentations. You can even compare a PDF file with a Word document, side-by-side.

Easily review differences between two similar files with the PDF compare tool. Visualise highlighted document changes side by side.

選擇 PDF 檔案並比較它們之間的差異，比較 PDF 的變化，此工具將輸出結果為 PDF 檔案。 立即免費開始比較 PDF！

線上比較 PDF 檔案。 使用我們的免費 PDF 比較工具輕鬆突出顯示和查看 PDF 文件之間的所有差異。