How to Convert JPG and PNG Images to WebP
Convert JPG and PNG images to WebP to make your website faster — files typically 25–35% smaller than JPG at the same quality, with transparency kept.
3 min read ·
To convert images to WebP, open the Image Converter, add your JPG or PNG files, set Target Format to WEBP (Modern Web Format), choose a quality around 80%, and click Process Images. The WebP files are typically 25–35% smaller than equivalent JPGs — and far smaller than PNGs — which makes web pages load noticeably faster.
Convert to WebP step by step
- Open the Image Converter and add your images.
- Set Target Format to WEBP (Modern Web Format).
- Set the Quality: 75–85% for photos, higher for images with fine text.
- Use Resize to scale down images that are bigger than they'll be displayed.
- Click Process Images and download the WebP files or a ZIP.
Why WebP?
- Smaller files: at the same visual quality, WebP photos are usually 25–35% smaller than JPEGs, and WebP graphics are much smaller than PNGs.
- Transparency: unlike JPG, WebP keeps transparent backgrounds, so it can replace PNG for logos and cut-out products.
- Animation: WebP can be animated, replacing heavy GIFs — see GIF to WebP.
- Supported everywhere that matters: Chrome, Edge, Firefox, Safari and all modern mobile browsers display WebP.
Faster images improve how quickly your main content appears, which visitors notice and search engines measure.
Choosing the quality
| Image type | Suggested WebP quality |
|---|---|
| Hero photos, large backgrounds | 70–80% |
| Product photos | 80–85% |
| Screenshots and images with text | 85–95% |
| Logos and flat graphics | 90%+ (or keep as SVG) |
Compare the result with the original at 100% zoom: if you can't see a difference, try a little lower.
Using WebP on your website
- WordPress, Shopify, Wix, Squarespace and most modern platforms accept WebP uploads directly.
- In your own HTML, a plain img tag pointing to the .webp file works in all current browsers.
- Keep your originals. Store the full-quality JPG or PNG masters and generate WebP copies for the site.
- Name files descriptively (blue-ceramic-mug.webp) and add alt text — good for accessibility and image search.
Convert a whole site's images
For dozens or hundreds of images, the Bulk Converter & Resizer converts everything to WebP, resizes to a maximum width, and renames the files consistently, then downloads one ZIP ready to upload.
Go further with compression
Format is one part of the story; size is the other. The Image Compressor can convert to WebP and cap the width — for example at 1920 pixels for full-width images or 1200 for content images — in one step. That combination often takes a page's images from megabytes to a few hundred kilobytes.
WebP or AVIF?
AVIF is a newer format that can be smaller still, but it is slower to create, and fewer editing tools, platforms and older browsers handle it. WebP is the safe, widely supported choice for a modern site today; if your platform generates AVIF automatically on top, all the better.
Check the result
Open a converted image next to the original at 100% zoom and look at fine detail — hair, text, gradients in the sky. If you see blocky patches or smudged edges, convert again at a higher quality.
When not to use WebP
- Email newsletters: some email programs still don't display WebP. Use JPG and PNG in emails.
- Files for print or for other people to edit: send JPG, PNG or the original format, which every program opens.
- Forms and portals that list accepted formats without WebP.
Frequently asked questions
Are my images uploaded?
No. They're converted in your browser.
Can I convert WebP back to JPG?
Yes — see how to convert WebP to JPG.
Does WebP support transparency from PNG?
Yes. Transparent areas in a PNG stay transparent in the WebP.