Free PNG to WebP Offline Tool
Convert PNG to WebP without any internet connection using this browser tool that works entirely on your device for free.
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Free PNG to WebP Converter Works Offline
No WiFi? No problem. Once this page loads, the PNG to WebP converter runs entirely on your device. Convert your images on a plane, in a remote area, or anywhere without an internet connection for free.
How to use this free tool
Load the converter page once to cache it on your device.
Drop your PNG files in and convert them locally with no internet.
Download your new WebP files for free completely offline.
Frequently Asked Questions
Everything you need to know about our free service.
Can this PNG to WebP converter really work offline?
Yes. After the page loads once, the conversion engine is stored on your device. You can use it without any internet connection.
Is the offline PNG to WebP tool free?
Yes. It is completely free. You can convert as many PNGs offline as you want without paying anything.
Are my images safe using the offline mode?
Yes. Since there is no internet connection, your files physically cannot leave your device. It is the most secure way to convert.