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📊 图片直方图分析Image Histogram

分析图片的 RGB 和亮度直方图,显示平均亮度、对比度和过曝/欠曝像素比例。Show an image's RGB and luminance histograms with mean brightness, contrast and clipped-pixel percentages.

点击选择或拖放图片Click or drop an image here

使用说明与常见问题How-to & FAQ

「图片直方图分析」是什么?What is the Image Histogram tool?

分析图片的 RGB 和亮度直方图,显示平均亮度、对比度和过曝/欠曝像素比例。Show an image's RGB and luminance histograms with mean brightness, contrast and clipped-pixel percentages.

如何使用「图片直方图分析」?How do I use the Image Histogram tool?

在「图片直方图分析」中,在上方填写或选择所需内容,结果会实时显示在下方;所有处理都在浏览器本地完成。In the Image Histogram: Fill in or choose the options above and the result appears below instantly; everything runs locally in your browser.

图片会被上传到服务器吗?Are my images uploaded?

不会。「图片直方图分析」使用浏览器 Canvas 在本地处理图片,处理后的文件直接从你的浏览器下载。No. The Image Histogram processes images locally with the browser Canvas API and the result downloads straight from your browser.

「图片直方图分析」免费吗?需要注册吗?Is the Image Histogram free? Do I need an account?

「图片直方图分析」完全免费,无需注册或安装,打开网页即可使用,手机和电脑都能用;输入的内容只在你的浏览器本地处理。The Image Histogram is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.

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