Convert AVIF to WEBP offline
Convert local AVIF files to WEBP files offline by JavaScript in your web browser without any software downloads or file uploads!
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How to convert AVIF to WEBP offline
Choose local AVIF image files, choose "WEBP" as the target image format, then click the "CONVERT OFFLINE" button to start offline conversions in bulk. File size can be up to 2GB.
This offline converter will first try to use the Canvas API in your web browser to convert images. The supported image formats depend on your current web browser. For example, the latest Chrome browser supports AVIF images while some older versions do not. The offline converter will then try to use JavaScript to convert the images if your current web browser doesn't support the image format. Use our online converter instead if this offline converter doesn't work in your web browser.
| Name | AVIF | WEBP |
| Full name | AV1 Image File Format | Weppy Image Format |
| File extension | .avif | .webp |
| MIME | image/avif | image/webp |
| Developed by | Alliance for Open Media | |
| Type of format | Image format | Image format, Lossless/lossy compression algorithm |
| Introduction | AV1 Image File Format (AVIF) is an image file format specification for storing images or image sequences compressed with AV1 in the HEIF file format. It competes with HEIC which uses the same container format, built upon ISOBMFF, but HEVC for compression. Version 1.0.0 of the AVIF specification was finalized in February 2019. | WebP is an image format employing both lossy and lossless compression. As a derivative of the VP8 video format, it is a sister project to the WebM multimedia container format. WebP-related software is released under a BSD license. |