你可以通过Photoshop，利用通明度指示器或创建文件时的背景选项，给图片增加透明效果（透明背景、透明图层或透明部分）。此外，你可以使用选择工具或擦除工具，只让图片中的某些部分透明。人们经常在Photoshop中添加透明效果，比如图文层叠的图片。只需要多尝试，你就可以掌握这项技术。
步骤
方法 1 的 4:
创建透明背景
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1
点击“文件”→“新建”。打开顶部的“文件”菜单，选择“新建”。在弹出的窗口中，你可以设置新文件的参数。
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2
选择“透明”。选择“背景内容”，在弹出的菜单中选择“透明”。这个选项位于新建窗口的最底部。
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3
点击“确定”。按下“确定”按钮。
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4
查看图层。在文档属性栏（默认情况下已经打开）中，查看图层窗口或图层标签。背景图层看起来是灰白相间的网格（代表它是透明的）。
方法 2 的 4:
使图层透明
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1
选择图层。在图层列表中，选择你想设置为透明图层的图层。
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2
选择不透明度。在图层标签顶部，点击不透明度旁边的数字框。默认的不透明度是100%。
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3
调低不透明度。拖动箭头，改变图层的不透明度。如果你想让图层完全透明，你可以将它调整为0。
方法 3 的 4:
创建透明选择区域
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1
选择图层。选择不透明的图层，确保它下面的图层是透明的。
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2
选择你要更改的区域。使用选择工具选择区域。
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3
复制所选区域。点击“复制”。
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4
删除区域。按下“删除”。现在图片中就有一个洞了。
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5
创建新图层。在新图层上粘贴你复制的区域。
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6
降低不透明度。你选择的区域现在已经变透明了。
方法 4 的 4:
透明绘画
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1
创建或选择图层。选择图层（不透明度要大于0，最好是100），它下面的图层必须是透明的。
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2
点击“擦除”工具。在工具栏中选择“擦除”工具。
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3
更改设置。选中“擦除”工具后，在出现的选项栏中挑选橡皮擦的大小和形状。
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4
用橡皮擦画画。用橡皮擦画画，其实就是擦除画面，从而露出下面透明的图层。
小提示
警告
- 当你使用任意透明选项在Photoshop中添加透明效果后，将图片保存成JPEG格式是不会保存透明效果的，最好保存成PSD格式的文件。