.avifs — AV1 Image File Format
Alliance for Open Media · 2021
AVIF is a modern image format known for its excellent compression, transparency support, and smaller file sizes compared to older formats like JPEG and PNG.
Key Features
- Superior compression efficiency, resulting in smaller file sizes
- Support for both lossy and lossless compression
- High dynamic range (HDR) and wide color gamut support
- Transparency (alpha channel) and animation support
Best For
- Web developers looking to optimize image loading times
- Photographers needing efficient storage of high-quality images
- Designers requiring transparency and HDR support
- Archiving images with minimal quality loss
Less Ideal For
- Broad compatibility with older software and devices
- Editing workflows that require extensive layer support (like PSD)
- Very simple, small icons where PNG-8 might suffice
- Applications strictly requiring the TIFF format
Common Use Cases
- Web images to improve page load speed
- High-quality photographic images
- Images requiring transparency or animation
- Graphics with a wide range of colors
How to Open It
- Open AVIF files in modern web browsers like Chrome, Firefox, or Edge.
- Use image editing software that has added AVIF support, such as Adobe Photoshop (with plugin), GIMP, or Krita.
- Convert AVIF files to more common formats like PNG or JPEG using online converters or dedicated software.
What is a .avifs file?
AVIF is a modern, open-source image format designed for the web. It leverages the powerful AV1 video codec to achieve significantly smaller file sizes compared to JPEG or PNG, while offering comparable or even better image quality. This makes AVIF ideal for faster web page loading and reduced bandwidth consumption. It also supports advanced features like high dynamic range (HDR) and transparency, making it a versatile choice for a wide range of photographic and graphic needs.
Programs That Open .avifs Files
| Platform | Program | ||
|---|---|---|---|
| Windows | Microsoft Edge | Free | Official |
| XnView MP | Free | ||
| macOS | Safari | Free | Official |
| Preview (with Codecs) | Free | Official | |
| Linux | Firefox | Free | Official |
| GIMP | Free | ||
| Android | Google Chrome | Free | Official |
| Files by Google | Free | ||
| iOS | Safari | Free | Official |
| Google Chrome | Free | Official | |
| Web Browser | Cloudinary | Paid |
How to Convert .avifs Files
| Format | Method |
|---|---|
| .PNG | Online Converters (e.g., Convertio, CloudConvert), Image Editors (e.g., GIMP, Photoshop with plugin), Command-line tools (e.g., FFmpeg) |
| .JPEG | Online Converters (e.g., Convertio, CloudConvert), Image Editors (e.g., GIMP, Photoshop with plugin), Command-line tools (e.g., FFmpeg) |
Common Problems with .avifs Files
Frequently Asked Questions
Yes, AVIF generally offers better compression and image quality than JPEG, especially at smaller file sizes. It also supports features like transparency which JPEG lacks.
Yes, AVIF supports alpha channels, allowing for transparent backgrounds just like PNG.
Yes, the AVIF format can support animations, similar to GIF or APNG, often with better quality and smaller file sizes.
Technical Details
AVIF is a container format that uses the AV1 video bitstream for image encoding. It supports both lossy and lossless compression, offering flexibility for different use cases. The format is built on the HEIF (High Efficiency Image File Format) container, inheriting its features and structure for efficient storage and playback.