上传图片
将要转换的图片拖放到上传区域。
安全地将图片转换为 WebP, AVIF, PNG 或 JPG 格式。
将要转换的图片拖放到上传区域。
将要转换的图片拖放到上传区域。
选择您想要转换的目标格式(WebP, AVIF 等)。
检查转换后的图片并立即下载。文件名将自动添加格式后缀。
次世代格式比传统的 JPG/PNG 具有更高的压缩率,能显著提升网站加载速度。
将 PNG 转换为 WebP 或 AVIF 时,背景透明度(Alpha 通道)将完美保留。
图片数据绝不会上传到服务器,即便含有敏感信息的截图也可以放心转换。
Conversion on HeeyaTools happens 100% within your browser. Unlike typical online converters that upload your images to a server, our tool ensures your sensitive screenshots or private photos never leave your device.
By utilizing HTML5 Canvas API and Blob Serialization, data is processed instantly in memory. Check your network tab—not a single byte of image data is transmitted externally.
WebP, developed by Google, provides superior lossy and lossless compression. It maintains quality while being 25-34% smaller than JPEG, making it the current web standard.
AVIF is the latest format based on the AV1 codec. It offers about 20% better compression than WebP and supports HDR, making it the ultimate choice for future web performance.