Image format converter
Convert images between PNG, JPEG, WebP, and BMP locally.
上传与目标格式
在本机用 Canvas 重绘并导出。说明：画布 API 的常见输出仅为 PNG／JPEG／WebP； BMP 由本组件将像素手工打包为标准 24 位 BMP。
隐私：图片仅在您的浏览器本地处理，不会上传到服务器。
What it does
Decodes your file with canvas and re-encodes to the target format for download.
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