Convert JPG to WebP
Image Squisher converts JPG to WebP locally. Pick WebP as the output format, hit Squish, and your photos come back as modern WebP files that every current browser opens, typically around a third smaller. Nothing uploaded.
Free · whole batches run in one go · no account · nothing uploaded
How to convert JPG to WebP
Three steps.
Drop your JPGs in
One photo or a whole folder. The list takes them all.
Pick WebP as the output
Under Settings, Output format, choose WebP. The quality slider still governs how close the result stays to your original; the app checks its own work either way.
Hit Squish
WebP files come out under new names, ready for the web.
Why put photos on a website as WebP?
Because it’s the closest thing to free speed. WebP files are typically around 30% smaller than the same photo as a JPG at the same look, and every browser in use today (Chrome, Edge, Firefox, Safari, Opera) displays them. Lighter pages load faster, rank better, and eat less of your visitors’ data.
The usual catches: some very old software won’t open them, and you want the conversion done well rather than by whatever free tool is loudest. Image Squisher encodes WebP at full effort and checks the result against your original before saving it.
Good to know
- See-through areas are supported in WebP output.
- Whole batches convert in one go.
- Nothing is uploaded; the work runs on your machine.
Questions, answered
Will every visitor's browser open my WebPs?
Every current browser handles WebP, and has for years. Only genuinely ancient browsers and some older desktop software miss it.
Does WebP support transparency?
Yes, unlike JPG. Transparent PNGs convert to WebP with their transparency kept.
Does it upload my photos anywhere?
No. Everything happens on your computer. There is no account, no cloud, no watermark, and it works fine offline.
Which platforms does it run on?
Windows, macOS and Linux. Same app, same engine, free tier on all three.
Lighter pages start here.
Download Image Squisher free and convert your first photos today.
Windows · macOS · Linux · free tier forever
IMAGE SQUISHER by KitKarl · Image Squisher home · kitkarl