| Extension | AVIF |
| Full Name | AV1 Image File Format |
| Type | Image |
| Mime Type | image/avif |
| Format | Binary |
| Opens With | Paint.Net |
The AVIF file format is aimed at being a modern replacement for the popular JPEG image format. Developed by the Alliance for Open Media, AVIF is an advanced image file format that leverages the cutting-edge compression algorithms used by the AV1 video codec.
The aim of the format is to surpass the quality of the equivalent JPEG file while packing a smaller file size via the use of the AV1 compression algorithm. The aim of the compression algorithm, which is a lossy algorithm, is to reduce the file size by removing detail from the image that the eye would not normally notice, thus reducing the size of the final AVIF file.
Support for AVIF files is still growing, with many modern image editors able to read and write to the format. The latest versions of the most popular web browsers have also moved to support AVIF images, having seen the benefit to website developers of reduced image sizes and thus reduced bandwidth usage.
| Extension | PDF |
| Full Name | Portable Document Format |
| Type | Document |
| Mime Type | application/pdf |
| Format | Binary |
PDF documents have been around for many years, becoming the standard format for storing and transmitting documents with rich content such as formatted text, images, tables, and other complex formatting. The format is still under development, with new features being added with each revision.
One of the reasons for its widespread adoption is its ability to store all the required document components, especially fonts, within a single file, allowing the document to be rendered equally on different platforms and devices.
PDF documents are read-only, unless opened within Adobe's own editing software. Support for importing and converting to and from the PDF format is widely supported by document editing software.
