WebP vs JPG
Upload your own image to compare real WebP and JPG file sizes, then choose the best format for websites, photos, and compatibility.
Compare your own image
Your image stays in your browser. The comparison uses your browser’s canvas encoder.
Upload an image to compare formats
Waiting for image
Waiting for image
Compare WebP and JPG with real output
Test your own image
Compare actual browser-encoded file sizes instead of relying on generic estimates.
Adjustable quality
Change lossy quality and see how each output responds.
私人本地加工
The image is decoded and encoded locally in your browser.
WebP vs JPG comparison
| Feature | WebP | JPG |
|---|---|---|
| 压缩 | Lossy and lossless | 有损 |
| 透明度 | 是的 | 不 |
| 动画片 | 是的 | 不 |
| Best use | Modern websites | Photos and broad workflows |
它是如何运作的
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1
上传图片
Choose a photo, screenshot, or design from your device.
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2
Compare outputs
Adjust quality and review the real encoded sizes.
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3
Choose and download
Save the format that best fits your use case.
When to use WebP or JPG
Use WebP for modern websites when file size and optional transparency matter. Use JPG for photography workflows, older software, print labs, or services that do not reliably accept WebP.
常见问题
Is WebP smaller than JPG?
WebP is often smaller at similar visual quality, but the result depends on the image and encoder. Use the comparison tool for your file.
JPG 支持透明度吗？
No. Transparent areas must be flattened to a background color.
Is WebP supported by modern browsers?
Yes, modern major browsers support WebP, while some older desktop workflows may still prefer JPG.
WebP vs JPG last reviewed: Jul 16, 2026.