🔍 图片放大Image Enlarge
按倍数放大图片（最近邻或平滑），下载 PNG。Enlarge an image by a scale factor (nearest-neighbour or smooth) and download PNG.
使用说明与常见问题How-to & FAQ
「图片放大」是什么？What is the Image Enlarge tool?
按倍数放大图片（最近邻或平滑），下载 PNG。Enlarge an image by a scale factor (nearest-neighbour or smooth) and download PNG.
如何使用「图片放大」？How do I use the Image Enlarge tool?
选择或拖入图片，设置放大倍数，在「算法」中选择最近邻（适合像素图）或平滑，点「放大」即可下载 PNG。Choose or drop an image, set the Scale and choose nearest-neighbour (good for pixel art) or smooth under Method, then click Enlarge and download the PNG.
AI 超分？AI upscale?
本页是几何放大，不是 AI 超分辨率。This is geometric scaling, not AI super-resolution.
图片会被上传到服务器吗？Are my images uploaded?
不会。「图片放大」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 Enlarge processes images locally with the browser Canvas API and the result downloads straight from your browser.
「图片放大」免费吗？需要注册吗？Is the Image Enlarge free? Do I need an account?
「图片放大」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 Enlarge is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.