🎯 去除图片中的指定颜色（变透明）Remove Specific Color from Image
把图片中指定颜色变成透明：可点预览取色，设容差和边缘柔化，适合抠白底、绿幕或去掉单一色块。显示修改了多少像素，支持批量，图片只在浏览器本地处理。Make a chosen colour in an image transparent. Click the preview to pick the colour, set a tolerance and edge softness - handy for white backgrounds, green screens or removing a flat colour block. Shows how many pixels changed. Works in bulk; images are processed locally.
使用说明与常见问题How-to & FAQ
「去除图片中的指定颜色（变透明）」是什么？What is the Remove Specific Color from Image tool?
把图片中指定颜色变成透明：可点预览取色，设容差和边缘柔化，适合抠白底、绿幕或去掉单一色块。显示修改了多少像素，支持批量，图片只在浏览器本地处理。Make a chosen colour in an image transparent. Click the preview to pick the colour, set a tolerance and edge softness - handy for white backgrounds, green screens or removing a flat colour block. Shows how many pixels changed. Works in bulk; images are processed locally.
如何使用「去除图片中的指定颜色（变透明）」？How do I use the Remove Specific Color from Image tool?
在「去除图片中的指定颜色（变透明）」中，选择或拖入文件，按需设置「要去除的颜色」、「容差」、「边缘柔化」、「输出格式」等选项，然后点击每个结果旁的「下载」按钮即可；有多个文件时也可以点「全部下载（ZIP）」一次打包下载。Choose or drop one or more images, then set the "Colour to remove" (or click the preview to pick it), the "Tolerance" for similar shades and the "Edge softness" for smooth edges. Choose PNG or WebP so the transparency is kept, then use each Download button or "Download all (ZIP)".
和“替换图片颜色”有何不同？How is this different from Replace Image Colour?
本工具只把颜色变成透明（抠图/去背景）；替换颜色可以把 A 换成 B，还可保留明暗。This tool only makes the colour transparent (cut-out / remove background). Replace Image Colour can swap A for B and optionally keep shading.
边缘发白怎么办？Harsh edges?
提高“边缘柔化”，或略增容差，让过渡更自然。Raise Edge softness, or nudge Tolerance up, for a smoother transition.
有哪些选项可以调整？What options can I adjust?
「去除图片中的指定颜色（变透明）」的设置：「要去除的颜色」默认 #ffffff；「容差」默认 18，范围 0–100；「边缘柔化」默认 25，范围 0–100；「输出格式」可选 PNG、WebP（默认 PNG）；「质量」默认 92，范围 40–100；可选文件：常见图片格式（含 HEIC、HEIF、AVIF、WEBP、BMP、JFIF）。改动任一选项后结果会按新设置重新生成。Settings in the Remove Specific Color from Image — "Colour to remove" default #ffffff; "Tolerance" default 18, range 0–100; "Edge softness" default 25, range 0–100; "Format": PNG, WebP (default PNG); "Quality" default 92, range 40–100; files: common image formats (including HEIC, HEIF, AVIF, WEBP, BMP, JFIF). Changing any option regenerates the result with the new setting.
图片会被上传到服务器吗？Are my images uploaded?
不会。「去除图片中的指定颜色（变透明）」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 Remove Specific Color from Image processes images locally with the browser Canvas API and the result downloads straight from your browser.
「去除图片中的指定颜色（变透明）」免费吗？需要注册吗？Is the Remove Specific Color from Image free? Do I need an account?
「去除图片中的指定颜色（变透明）」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 Remove Specific Color from Image is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.