A WebP converter changes an image into the WebP format, a modern image format that stores the same picture in a smaller file than JPEG or PNG. The converter below turns your JPEG or PNG into WebP, or a WebP file back into PNG, entirely inside your browser. The image is processed on your device and is never uploaded to a server.
What WebP Is and Why It Is Smaller
WebP is an image format that supports both lossy compression, like JPEG, and lossless compression with transparency, like PNG. It produces a smaller file because it uses more advanced compression methods than the older formats. For a photograph, WebP predicts each block of pixels from the blocks around it and stores only the difference, which removes more redundant data than JPEG does at the same visible quality. For a graphic with flat color and transparency, WebP packs that data more efficiently than PNG. The result is one format that replaces both JPEG and PNG and ships fewer bytes over the network.
How to Use It
- Choose an image file. Most JPEG, PNG, and existing WebP files are accepted.
- Pick a direction: To WebP to compress a JPEG or PNG, or From WebP to PNG to turn a WebP file back into a PNG.
- For To WebP, set the quality. Around 80 to 85 keeps the picture sharp while cutting the file size.
- Check the new size and the percent change the tool reports against the original.
- Press Download to save the converted file with the correct extension.
WebP vs JPEG vs PNG
| Format | File size | Transparency | Support |
|---|---|---|---|
| WebP | Smallest for both photos and graphics | Yes | All current browsers |
| JPEG | Small for photos, larger than WebP | No | Universal, including old software |
| PNG | Large, best for sharp graphics | Yes | Universal, including old software |
Browser and CMS Support
Every current browser, including Chrome, Edge, Firefox, and Safari, displays WebP images, so you can use them on a website without a fallback for most visitors. WordPress accepts WebP uploads in the media library, and many other content systems do the same. This converter uses the browser canvas to export WebP, so the WebP output option depends on your browser supporting WebP encoding. If yours does not, the tool tells you and saves a PNG instead.
Your Image Stays on Your Device
This converter reads your file with the browser FileReader, draws it to a canvas, and re-exports it, all on your own device. The image is never sent to a server, logged, or stored anywhere. You can confirm this by disconnecting from the internet and watching the conversion still work. That makes it safe to convert private photos and documents, even on a shared or public network.
When to Use It
Convert images to WebP when you publish them on a website and want faster page loads, since smaller images download quicker and improve Core Web Vitals. Convert WebP back to PNG when you need to open a file in older software that does not read WebP, or when you want a lossless copy with transparency for editing. For batch website work, also resize and compress before you convert so each image carries only the pixels and detail the page actually needs.
Last Thoughts on Converting to WebP
WebP gives you one format that replaces both JPEG and PNG with a smaller file, and converting to it is one of the simplest ways to make a website faster without changing how the images look. The converter above does the work locally, so you keep your originals private while you shrink them.
Convert your next batch of images to WebP, then pair the smaller files with the right dimensions using our image resizer and image compressor. To move between other formats, see the image converter, and explore the rest of our free online tools.
Key Takeaways:
- WebP is a modern image format that stores the same picture in a smaller file than JPEG or PNG.
- For photographs, WebP is usually 25 to 35 percent smaller than a JPEG of the same visible quality.
- WebP supports transparency, so it replaces PNG for graphics as well as JPEG for photos.
- All current browsers display WebP, and WordPress accepts it in the media library.
- This converter runs entirely in your browser; your image is never uploaded anywhere.
- A lower quality setting makes a smaller WebP file; around 80 to 85 keeps photos sharp.
Frequently Asked Questions (FAQs)
How do I convert an image to WebP?
Choose your JPEG or PNG file, set the direction to To WebP, pick a quality, and the tool re-exports the image as WebP. It then shows the new file size and a download link. The whole process runs in your browser, so the image is never uploaded.
Is WebP smaller than JPEG and PNG?
Yes. For most photographs WebP is about 25 to 35 percent smaller than a JPEG of the same visible quality, and it is much smaller than a PNG for the same image. The savings come from more advanced compression, and the exact figure depends on the image and quality you choose.
Does this WebP converter upload my image?
No. The image is read, drawn to a canvas, and re-exported entirely inside your browser, and it is never sent to a server, logged, or stored. You can confirm this by disconnecting from the internet and watching the conversion still work.
Does WebP support transparency?
Yes. WebP supports transparency the way PNG does, so it works for logos and graphics with see-through areas as well as for photographs. That is why a single WebP file can replace both a JPEG and a PNG.
Can I convert WebP back to PNG?
Yes. Set the direction to From WebP to PNG and the tool re-exports your WebP file as a PNG. This is useful when you need to open the image in older software that does not read WebP, or when you want a lossless copy for editing.
Which browsers and platforms support WebP?
Every current browser, including Chrome, Edge, Firefox, and Safari, displays WebP, and WordPress accepts WebP uploads in the media library. WebP export in this tool depends on your browser supporting WebP encoding; if it does not, the tool saves a PNG and tells you.
