PNG to AVIF Converter

PNG, which stands for Portable Network Graphics, is a raster graphics file format that was created as an improved, non-patented replacement for GIF. It was first developed in the mid-1990s as a response to the limitations of the GIF format, primarily its color palette restrictions and the patent issues surrounding the compression technique GIF used at the time.

Key Features

• Lossless Compression: PNG uses lossless compression, meaning that all the original image data can be fully restored when the file is decompressed. This makes it ideal for storing images with detailed, high-quality content.
• Support for More Colors: Unlike GIF, which is limited to a 256-color palette, PNG supports 24-bit images, allowing for up to 16 million colors. This makes it highly suitable for complex images like photographs.
• Transparency Support: PNG allows for varying degrees of transparency. It supports alpha channel transparency, which means you can have different levels of transparency for different pixels, allowing for smooth transitions and soft edges in images.
• Interlacing: A PNG image can be saved with interlacing, a technique that allows incremental display. This means that a low-quality version of the whole image can be seen as the file is being downloaded, gradually improving in quality as more data is loaded.

Use Cases

• Web Images: Due to its lossless compression and support for transparency, PNG is very popular for use on the internet, especially for logos, icons, and other web graphics where quality and transparency are important.
• Image Editing: PNG's lossless compression makes it a preferred choice for storing intermediate stages of digital artwork, as there is no quality loss with repeated saving.
• Complex Graphics: For images that require high detail, such as diagrams and illustrations, PNG is often used because of its support for a high number of colors and alpha transparency.

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 PNG 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 PNG images to AVIF format.
4. After the conversion is complete, download all the batch-converted AVIF images to your local device.