光柵化PDF
將PDF頁面轉換為高品質圖像。導出為PNG、JPEG或WebP，支援自定義DPI設置。
上傳 PDF 文件
關於此工具
光柵化PDF將您的PDF頁面轉換為高品質的光柵圖像。從PNG、JPEG或WebP輸出格式中選擇，完全控制DPI和品質設置。
非常適合創建縮略圖、社交媒體圖形或將PDF內容歸檔為圖像。支援頁面範圍選擇和批量處理。
所有處理都在您的瀏覽器本地進行，確保您的文檔保持隱私。
Practical guidance before you use 光柵化PDF
Best for real document workflows
Use 光柵化PDF when you need a quick browser-based result without creating an account or sending routine documents through an unnecessary upload workflow. 社交媒體 is a common example: 將PDF幻燈片轉換為圖像以在社交媒體上發布。
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 轉換並下載, 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 pdf to jpg, pdf to png, extract images before repeating the task.
Start with a clean source file whenever possible. For 光柵化PDF, the first step is usually "上傳PDF文件": 拖放您的PDF文件或點擊選擇。 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PDF文件
拖放您的PDF文件或點擊選擇。
配置輸出
選擇DPI、輸出格式（PNG/JPEG/WebP）、品質和頁面範圍。
轉換並下載
處理頁面並單獨下載圖像或作為ZIP歸檔下載。
使用場景
社交媒體
將PDF幻燈片轉換為圖像以在社交媒體上發布。
縮略圖
為PDF文檔生成預覽縮略圖。
網絡發布
將PDF內容轉換為網絡友好的圖像格式。
常見問題
我應該使用什麼DPI？
螢幕使用72 DPI，一般使用150 DPI，列印品質使用300 DPI。
哪種格式最好？
PNG用於品質/透明度，JPEG用於小尺寸，WebP用於現代網絡使用。
可以轉換特定頁面嗎？
是的，指定頁面範圍如"1-5, 8, 10-15"以僅轉換這些頁面。