Dynapik offers a free online tool to change image types - no need to download anything. It's quick and easy to use. You can change your RW2 images to AVIF format. This tool works for both professionals and casual users. Convert your images to AVIF in seconds.
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Panasonic Lumix RAW
The raw format for Lumix G and S series cameras.
RW2 is the proprietary raw image format used by Panasonic Lumix cameras, ranging from the Micro Four Thirds G-series (GH5, G9) to the full-frame S-series (S1, S5). RW2 files contain the raw sensor data. Like Olympus ORF files, they rely heavily on embedded lens correction profiles to correct the distortion and vignetting inherent in compact lens designs.
RW2 files are TIFF-based containers storing 12-bit or 14-bit sensor data. They include a large JPEG preview and extensive metadata describing the lens characteristics.
Replaced the older .RAW extension used by very early Panasonic cameras. It has been the standard for over a decade.
AVIF (AV1 Image File Format)
The royalty-free successor to WebP, offering the world's best compression for the web.
AVIF is the cutting-edge image format derived from the AV1 video codec. Developed by the Alliance for Open Media (AOMedia)—a consortium including Google, Netflix, Amazon, and Microsoft—it was designed to be the ultimate royalty-free format for the web. AVIF offers significantly better compression than WebP, which was already better than JPEG. It supports features that WebP lacks, such as 10-bit and 12-bit color depth for HDR (High Dynamic Range) images, and it produces fewer compression artifacts at low bitrates. While encoding AVIF files takes longer than other formats, the bandwidth savings are substantial, often reducing file sizes by 50% compared to JPEG.
AVIF uses the HEIF (High Efficiency Image File Format) container structure but encodes the image data using the AV1 video codec. This allows it to use advanced video compression techniques like intra-frame prediction to squeeze image data down to incredibly small sizes. Unlike WebP, which is limited to 8-bit color, AVIF supports 10-bit and 12-bit color depths, making it the first viable web format for HDR photography. It also supports 4:2:0, 4:2:2, and 4:4:4 chroma subsampling, allowing for sharp text and graphics even with lossy compression.
The AV1 video codec was released in 2018 as a royalty-free alternative to HEVC (H.265). The AVIF image format specification followed in 2019. Adoption was rapid compared to previous formats. Chrome added support in 2020, followed by Firefox in 2021. Apple added support in iOS 16 and macOS Ventura (2022), completing the 'universal support' puzzle much faster than WebP did.
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