HEIF to AVIF Converter

HEIF, or High Efficiency Image File Format, is a modern image file format introduced by the Moving Picture Experts Group (MPEG). It was developed as part of the MPEG-H suite and is based on the High Efficiency Video Coding (HEVC, or H.265) video compression standard. HEIF was designed to improve on the compression capabilities of older formats like JPEG, providing higher image quality at smaller file sizes.

Key Features

• Efficient Compression: HEIF offers significant improvements in file size and image quality compared to JPEG. This is largely due to its use of HEVC, which is more efficient than the compression algorithms used in JPEG.
• Support for 16-bit Color: Unlike JPEG, which is limited to 8-bit color, HEIF supports up to 16-bit color depth, allowing for richer and more detailed images.
• Advanced Compression Options: HEIF can store images and image sequences that are encoded either in HEVC or other advanced codecs, providing flexibility in how images are compressed and stored.
• Support for Multiple Images in a Single File: HEIF can contain multiple images in one file, which can be used to store burst photos, focus stacks, or image sequences for animations. It can also store thumbnails, auxiliary images like depth maps, and metadata.
• Non-destructive Editing: HEIF supports storing editing operations such as cropping and rotating as metadata, which means the original image can be reconstructed, preserving the original data without permanent alteration.

Use Cases

• Mobile Photography: HEIF has been adopted by Apple in its iOS and macOS systems, replacing JPEG as the standard format for photos in an effort to save storage space while maintaining high image quality. This use leverages HEIF's efficient compression to store high-quality images in less space.
• Professional Photography and Imaging: Given its high dynamic range and color fidelity, HEIF is also suitable for professional photography and imaging applications where quality is critical.
• Rich Media Applications: With its ability to handle multiple images and types of data in a single file, HEIF is well-suited for applications involving complex image collections, such as digital photo albums or multimedia presentations.

AVIF (AV1 Image File Format) is a relatively new image format that was developed as part of the AV1 open video codec by the Alliance for Open Media. Introduced to the public around 2019, AVIF offers a highly efficient compression method that is particularly effective for high-quality images on the internet. It is designed to be a successor to JPEG, and it competes with other modern formats like WebP.

Key Features

• High Compression Efficiency: AVIF provides superior compression compared to older image formats like JPEG or even newer ones like WebP. This means it can produce significantly smaller file sizes while maintaining high image quality, which is beneficial for faster web page loading and reduced bandwidth usage.
• Support for High Dynamic Range (HDR) and Wide Color Gamut (WCG): AVIF supports HDR and WCG, which allows for richer colors and greater contrasts. This makes it suitable for modern displays that can handle enhanced color and brightness ranges.
• Lossless and Lossy Compression: Similar to WebP, AVIF supports both lossless and lossy compression methods, making it versatile for various imaging needs, from archival of art where detail preservation is crucial to typical web usage where balance between quality and file size is important.
• Transparency and Alpha Channel: AVIF supports transparency, which is essential for overlays, logos, and other graphic elements where background visibility is necessary.
• Advanced Compression Features: Leveraging the capabilities of the AV1 video codec, AVIF uses advanced techniques like film grain synthesis, which can be crucial for maintaining visual quality in highly textured images.

Use Cases

• Web Media: AVIF is primarily aimed at use in web media due to its high efficiency in compression. It's particularly useful for websites that require high-quality imagery but need to maintain fast load times.
• Streaming Services: Given its support for HDR and advanced compression features, AVIF is also suitable for streaming services that require efficient transmission of high-quality images.
• Photography and Digital Art: Photographers and digital artists can benefit from AVIF's lossless compression to preserve the quality of their high-resolution images.

1. Upload all the HEIF images you want to batch convert.
2. In the conversion tool, select AVIF as the output format for your images.
3. Start the batch conversion, the tool will convert all the selected HEIF images to AVIF format.
4. After the conversion is complete, download all the batch-converted AVIF images to your local device.