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JPG → WebP

JPG → WebP. Convert images locally, adjust settings and download. Your files stay on this device. Processing happens in your browser.

Enable JavaScript to use the tools. Files are processed in your browser.

How to convert JPG to WebP

Tap the box above and select one or more JPG files.

Adjust the options if you need to.

Each converted image appears below. Tap it to download.

When to convert JPG to WebP

You publish photos on a blog or online shop and want pages to load faster.

Your hosting or CDN plan has bandwidth limits.

A page-speed tool suggests serving images in modern formats.

About JPG

JPG (also written JPEG) is the most widely supported image format in the world. It uses lossy compression tuned for photographs, which keeps files small while looking natural to the eye. It does not support transparency, and sharp edges such as text can show faint blocky artefacts at lower quality settings.

About WebP

WebP is a format introduced by Google that supports both lossy and lossless compression, transparency and animation. Websites use it because it is usually smaller than JPG or PNG at similar quality, and all current major browsers display it. Many desktop programs, older phones, print services and upload forms still do not accept WebP, which is why people often need to convert it.

How it works

The page loads the conversion code into your browser: it decodes the image into pixels, then writes it with the browser's image encoder (or packages PNG images inside an ICO file). Conversion does not send the selected images to a conversion server. Closing the tab clears its working data; downloaded files remain on your device. Page, script, advertising or analytics requests are separate from file processing; see Privacy.

Limitations

Converting a JPG does not restore detail that was lost when it was first compressed.

WebP encoding depends on the browser's encoder. The tool checks the returned MIME type and file signature; if WebP output is unsupported, it reports an error instead of saving another format under a WebP name. Use PNG or JPG, or a browser that supports WebP encoding.

The output is a new image drawn by the browser, so camera metadata (EXIF, such as date and GPS location) is generally not kept, and embedded colour profiles may not be preserved.

How large a file you can convert depends on your device's memory; on phones, convert a few files at a time.

Related tools

WebP → PNG

WebP → JPG

PNG → JPG

JPG → PNG

AVIF → JPG

PNG → WebP

Frequently asked questions

Is this JPG to WebP converter free?

Yes. It is free with no sign-up, no watermark and no daily limit.

Are my images uploaded?

No. Conversion runs locally in your browser and your images are never sent to a server.

Can I convert several files at once?

Yes. Select multiple files and each one is converted and listed for download.

Why is the converted file bigger or smaller?

JPG and WebP compress images differently. Lossless PNG files are usually larger, while lossy JPG and WebP files are usually smaller; the exact result depends on the picture and the quality setting.

Why does my browser fail to produce WebP?

Displaying WebP and encoding it are different capabilities. This tool checks the actual output type and signature and reports an error if the browser cannot encode WebP. Choose PNG or JPG, or use a browser with WebP encoding support; a browser name alone does not establish its capabilities.

Guides

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