How do I convert a JPG to WebP for a faster website?
To convert a JPG to WebP, open FixDoks's JPG to WebP converter, add your photos, pick a quality around 80 to 90 percent and click Convert to WebP. WebP files are usually smaller than JPG at similar quality, which helps pages load faster. The converter shows the before and after size and runs entirely in your browser.
JPG to WebP at a glance
| Input | JPG or JPEG |
|---|---|
| Output | WebP |
| Processing | In your browser; your files are not uploaded |
| Price | Free, no watermark |
| Download | Free Google sign-in |
| Works on | Chrome, Edge, Safari and Firefox on Windows, Mac, Android and iPhone |
How to use JPG to WebP Converter
- Click Select JPG files and choose one or more images.
- Pick the quality. 80 to 90% is a good balance for websites.
- Click Convert to WEBP and download each file, or all of them as a ZIP.
Why use WebP on your website?
WebP usually produces smaller files than JPG at the same visual quality. Smaller images make pages load faster, use less mobile data and help page speed scores such as Largest Contentful Paint, which matter for search ranking and for visitors on slow connections. All current versions of Chrome, Safari, Firefox and Edge display WebP.
How much smaller?
It depends on the photo, but a well tuned WebP is commonly around a quarter to a third smaller than a JPG of similar quality. The converter shows the before and after size for each file, so you can see the saving on your own images.
Choosing quality
| Quality | Use |
|---|---|
| 90% | Hero images, portfolios, product zoom |
| 80% | Most blog and page images |
| 65 to 75% | Thumbnails and background images |
Using WebP files
Upload the WebP files to your site in place of the JPGs. WordPress, Shopify, Wix and most modern platforms accept WebP. If you still need to support very old browsers, serve WebP with a JPG fallback using the HTML <picture> element.
For email and documents, JPG is still the safer choice because many email clients and office programs do not show WebP.
Measure the difference
Convert a few typical images from your site and compare the before and after sizes shown in each row. If WebP saves more than a few percent on your photos, switching is worth it. Keep your original JPGs as a master copy: WebP is ideal for delivery on the web, but JPG remains the most compatible format for editing, printing and sharing by email.
Resize first
Format alone is only part of image optimisation. An image that is 4000 pixels wide will still be heavy as WebP. Resize photos to the largest size they are displayed at, often 1200 to 2000 pixels wide, with the image resizer, then convert. Combining both steps usually brings a multi-megabyte photo down to a couple of hundred kilobytes.
Batch conversion
Select all the JPGs for a page or product listing at once. They are converted one after another and can be downloaded as a single ZIP with the same file names and a .webp extension.
Checking the result
Open a converted WebP next to the original JPG at full size and compare fine detail such as hair, foliage or fabric texture. If you notice smearing, raise the quality by 5 to 10 points and convert again.