图片格式转换器
在浏览器中转换PNG、JPEG和WebP格式图片 — 无需上传
Format Converter
PNG · JPEG · WebP · TIFF · DNG · CR2 · NEF · ARW — in your browser
Drop a file here or click to browse
Max size: 80MB
Processing happens entirely in your browser — no upload to any server. RAW formats (DNG, CR2, NEF, ARW, ORF, PEF, SRW) are decoded using the embedded full-resolution image via the TIFF/IFD structure. Animated GIFs use the first frame only.
Awaiting image
Supported RAW formats
⚠️ CR3 (Canon), RAF (Fujifilm), RW2 (Panasonic), X3F (Sigma) use proprietary compression not decodable in the browser. Rename a DNG version for full support.
Image Format Converter — PNG, JPEG, WebP
Convert images between PNG, JPEG, and WebP formats in your browser. No upload, no account. Adjust quality for JPEG/WebP and convert multiple images at once.
Which format should I use?
PNG
Best for screenshots, logos, graphics with text, and anything needing lossless quality or transparency.
JPEG
Best for photographs. Set quality to 80–85% for a good balance of size and visual quality.
WebP
Best for web use. Smaller than both PNG and JPEG at similar quality. Use for all web images where possible.
继续探索
您可能喜欢的其他 图片工具…
JPG转PNG
在浏览器中即时将JPG/JPEG图片转换为PNG格式
PNG转WebP
将PNG图片转换为WebP格式以获得更好的网页性能
图片压缩
在保持画质的前提下减小体积
图片尺寸调整
将图片调整为自定义尺寸或常见预设尺寸
Image Upscaler
Upscale images 2×, 3×, or 4× in your browser using Bicubic, Lanczos, or Nearest-neighbor resampling
图片裁剪工具
裁剪图片以删除不需要的区域并聚焦于重要内容
图片转Base64
将图片转换为Base64编码字符串，并将Base64解码回图片
网站图标生成器
从任意图片生成所有所需尺寸的favicon