WebP Image — Modern web image format with lossy and lossless modes plus transparency.
Quick facts
What is .webp
A .webp file is a WebP Image — Modern web image format with lossy and lossless modes plus transparency.
In the mime-db registry it maps to image/webp. When serving .webp over HTTP, set the Content-Type header as shown in Developer info below.
Related entities: it maps to image/webp — and is delivered over HTTP via the Content-Type header.
How to open .webp files
Developer info
When served over HTTP, responses should set the following header:
Content-Type: image/webp
Common software that reads/writes .webp:
Relation chain
Related extensions
Related MIME types
Common uses
How to edit .webp files
How to create .webp files
Frequently asked questions
Common options include Photoshop, GIMP, Chrome. You can also open many of these files with built-in viewers or a browser.
Create a new file in any text editor or the app that owns the format and save it with the .webp extension.
image/webp is the media type identifier used for .webp files during network transfer (for example in the HTTP Content-Type header).
Sources & standards
Updated 2026-08-18
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