Img9

Convert JPG to WebP

Make JPG photos smaller for your website by saving them as WebP. Nothing leaves your device.

80
Shape

Changing a setting converts every image again. Resizing keeps the proportions, and smaller images are never enlarged.

Why convert JPG to WebP?

At a similar visible quality, a WebP photo is usually smaller than the JPG it came from, which means faster pages and less data for visitors on mobile connections. The table below shows how large the gap was for one photo.

Converting an existing JPG re-compresses something that was already compressed, so start from the largest, best-quality JPG you have. If the photo is wider than it will ever be shown, set a maximum width: resizing usually saves more than the format change does.

One photo, saved six ways

A 6000 × 4000 JPG photo, resized to 1600 pixels wide and saved in each format with libvips.

PNG, lossless
1,860,598 bytes
JPG, quality 90
108,153 bytes, 5.8% of the PNG
JPG, quality 80
60,355 bytes, 3.2% of the PNG
WebP, quality 90
45,444 bytes, 2.4% of the PNG
WebP, quality 80
25,216 bytes, 1.4% of the PNG
WebP, quality 75
21,122 bytes, 1.1% of the PNG

This is one photograph, not a general rule: flat graphics, text and transparency compress differently. The converter on this page uses your browser's encoder, so its files will be close to these but not identical.

Questions

Is JPG the same as JPEG?
Yes. .jpg and .jpeg are two file extensions for the same format, and this converter accepts both.
Will WebP look worse than my JPG?
At quality 80 or above, most people can't tell them apart on screen. Because the JPG is already lossy, converting it at a very low quality compounds the loss, so keep the setting moderate.
Are my images uploaded anywhere?
No. The file is decoded and re-encoded by your browser on your device, and the converted copy is handed straight back to you. Nothing is sent to Img9 or anyone else, so the page also works offline once it has loaded.
Does converting keep the photo's metadata?
No. Re-encoding in the browser drops EXIF, including camera details and GPS location, and the result is stored in sRGB. The photo is turned upright first, so a picture taken sideways on a phone stays the right way up.
Is there a file size or count limit?
There is no account and no daily limit. The practical limit is your device's memory: very large images, roughly 50 megapixels and up, can fail in some browsers, and phones hit that sooner. Set a maximum width to make big photos smaller as they convert.