PNG ↔ JPG 轉換器
在瀏覽器中將 PNG 圖片轉換為 JPG，或將 JPG 轉換為 PNG，支援預覽與下載。
上传 PNG
功能介紹
The PNG ↔ JPG Converter tool turns PNG images into JPG and JPG images into PNG directly in your browser. It is useful for preparing images for the web, compressing photos, or meeting format requirements of specific platforms.
什麼時候用這個工具？
Use this tool whenever you need to switch between PNG and JPG: converting transparent PNGs to lightweight JPGs, turning JPGs into PNGs for editing, or standardizing assets in one format.
使用步驟
Choose conversion direction
Select whether you want to convert PNG to JPG or JPG to PNG.
Upload your image
Upload a PNG or JPG file from your device, depending on the selected mode.
Wait for automatic conversion
The tool converts the image in your browser using Canvas APIs, then shows you a preview.
Download the converted file
Save the new image in the target format and use it in your project, website, or application.
使用範例
Reducing file size for photos
Convert large PNG screenshots or photos to JPG to reduce file size and speed up page loads.