Open WebP and AVIF Images, and Convert Them
Pictures saved from the web often come as WebP or AVIF. Open them on any device and save them as JPEG or PNG for apps that need it.
How to Open a WebP File
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Open Glance
Open Glance in your browser, or install the free Windows app.
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Choose your WebP file
Tap Choose a File, or drag the WebP file onto the page. It stays on your device.
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Convert or edit
Crop, resize or mark it up, then save it as JPEG or PNG with Export As.
What You Can Do With WebP Files
Convert WebP to JPEG or PNG
Export As saves the picture as JPEG, PNG or WebP, at the quality you pick.
Fix the Photo
Rotate, crop, straighten, resize and adjust colour, with a live histogram.
Mark It Up
Add arrows, shapes, text and highlights, or cover something with a redaction box.
Your WebP Files Never Leave Your Device
Most online viewers upload your file to their server. Glance reads it right in your browser, so nothing is sent anywhere, and it keeps working offline.
Free and Open Source
No account, no adverts, no watermark. Read every line of the code on GitHub.
View the SourceQuestions About WebP Files
How do I convert WebP to JPG?
Open the WebP image in Glance, choose Export As, pick JPEG and save. It is converted on your device.
Is Glance's WebP viewer free?
Yes. Glance is free and open source under the Apache 2.0 licence, with no account, adverts or watermarks.
Are my WebP files uploaded anywhere?
No. Glance opens files on your own device, in your browser or in the Windows app. Nothing is sent to a server, so it is safe for private documents.
Does it work offline?
Yes. Install Glance from your browser (Add to Home Screen on a phone) and it opens files with no internet connection.
Can I open WebP files on iPhone, Android or Mac?
Yes. The browser version works in Safari, Chrome, Edge and Firefox on phones, tablets and computers. The Windows app adds Explorer thumbnails and opening files with a double-click.