JPG to WebP Converter

Why convert JPG to WebP

WebP is an image format developed by Google that often produces smaller files than JPEG at similar visual quality. For websites, that means faster page loads and less bandwidth used per visitor. A phone photo is often 2–5 MB as a JPG; converting to WebP at quality 80 frequently brings it down to roughly 1–2 MB, though the exact result depends on the image content.

This tool runs entirely in your browser. Your images are never uploaded to a server, nothing is stored, and it works offline once the page has loaded. There is no sign-up and no watermark.

What to expect from the conversion

WebP uses a different compression method than JPEG. At the same quality setting, WebP files are usually 25–35% smaller than JPEG for photographs, and the gap can be larger for graphics with flat colors. The trade-off is that WebP is a lossy format when you choose a quality below 100, so some detail is discarded. That is normal for web images and rarely noticeable at quality 75–85.

Choosing a quality setting

The quality slider controls how much compression is applied. Lower values create smaller files but may introduce visible blockiness or blurring around edges.

• 90–100: Near-original appearance, larger files. Use for hero images or portfolios where detail matters.
• 75–85: A good balance for most photos on the web. Files are much smaller and differences are hard to spot at normal viewing sizes.
• 50–70: Noticeably smaller, but fine detail and gradients may suffer. Suitable for thumbnails or background images.

Start at 80 and compare the result with the original at 100% zoom. If you cannot see a difference, keep the smaller file.

When to keep a JPG fallback

WebP is supported by all current major browsers, but some older browsers and certain email clients or desktop apps do not display it. If your audience includes people on very old systems, or if the image is used outside a web page (for example, in a document or an email signature), keep a JPG version as a fallback.

On a website, you can serve WebP to browsers that support it and JPG to the rest using the `<picture>` element:

```html <picture> <source srcset="image.webp" type="image/webp"> <img src="image.jpg" alt="Description"> </picture> ```

This way modern browsers get the smaller WebP file, and older ones still see the JPG. For most sites today, a single WebP file is enough, but the fallback costs nothing and avoids broken images for a small number of visitors.

Converting PNG to WebP

The same tool accepts PNG files. WebP supports transparency, so logos and icons with transparent backgrounds convert cleanly. A PNG screenshot that is 800 KB might become a 150–250 KB WebP at quality 80, depending on the content. If the PNG uses only a few flat colors, the savings can be even larger.

Batch conversion

You can select multiple JPG or PNG files at once. Each file is converted independently in your browser, and you can download them one by one or as a ZIP archive. There is no limit on the number of files, but very large batches may take a few seconds depending on your device.

Questions