JPG to WebP Converter
Convert JPG images to WebP format.
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About JPG to WebP
Before converting, ask one question: is this photo going onto a website? If the answer is yes, WebP is worth trying. If the photo is for email, WhatsApp, printing or an application form, stay with JPG, because that is what those places expect.
WebP generally stores a photograph in fewer bytes than JPG at a similar visible quality. On a page with many photos, such as a blog post, a shop category or a gallery, the saving adds up, and visitors on mobile data notice it most.
There is a catch that many guides skip. A JPG is already a lossy file. Converting it means decoding it and compressing it again with a different method, and each lossy step adds its own small errors. The second step also spends part of the file faithfully preserving the marks left by the first one. At a high quality setting you will not see any of this. At a low setting you get smeared textures in hair and grass, and visible steps of colour in skies.
Two habits keep the result clean. First, start from the best version of the photo you have, such as the camera original or a high quality export from your editor, and not a copy that has been forwarded through a chat app. Second, leave the slider near its starting value of 85, or within 75 to 85, and compare the result with the original at full size. Skin, sky and any text in the picture are the places where problems show first.
Sometimes the WebP is not smaller. This happens when the JPG was already compressed hard: at 85 the new file can come out the same size or even larger. The result list shows the size before and after for each photo. Where there is no real gain, keep using the JPG.
The pixel dimensions are left alone as well. A photo straight from a camera is usually far wider than any web page displays it, so resize it to its display width first and convert it afterwards.
Finally, check where the file will be opened. Current browsers display WebP, and most website builders accept it, but some email programs and older desktop software do not. Keep the JPG originals so you always have a version that opens everywhere.
When Should I Use This?
Use it when you are preparing photos for a web page and want them to load faster. Do not use it for photos you will send to people, print or upload to forms. JPG is the safer format for all of those.
How to Use JPG to WebP Step by Step
- Choose the JPG photos you plan to publish.
- Keep the quality at 85, or lower it a little for large background photos.
- Press Convert to WebP.
- Compare the sizes. Keep the WebP only for photos where it is clearly smaller.
- Download the files and upload them to your site. Keep the JPG originals.
Limitations
The photo is compressed a second time, so quality can only stay the same or get slightly worse, never better. An already small JPG may not shrink further. Camera details and location stored in the JPG are not copied into the WebP file. In Safari a small WebP encoder is downloaded first.
Related Tools and Guide
- PNG to WebP handles graphics and screenshots with transparency.
- WebP to JPG converts a WebP back when someone needs a normal photo file.
- Image Compressor makes a JPG smaller while keeping it a JPG.
- Guide: When converting photos to WebP is worth it.
Frequently Asked Questions
Is WebP always smaller than JPG?
No. It usually is for photos saved at high quality, but a JPG that is already heavily compressed can come out the same size or larger. The tool shows both sizes so you can check.
What quality should I use?
Start at 85. Go down toward 75 for large photos where fine detail matters less, and compare the result with the original before you publish it.
Should I delete my JPG files after converting?
No. Keep them. They are your originals, they open everywhere, and you will need them if you want a different quality later.
Does the WebP keep the camera and location data from my photo?
No. That information is not copied to the new file. This is useful for privacy, but keep the JPG if you need the data.
What about visitors with very old browsers?
All current browsers show WebP. If you have to support very old ones, your site can offer the JPG as a fallback next to the WebP.