- Extension
- .att
- .psd
- Format
- Binary
- Binary
- Category
- Raster Image
- Raster Image
- Developer
- AT&T Laboratories Cambridge
- Adobe Systems
- Description
- AT&T Group 4 is a file format used for compressing high-resolution data. It is most commonly used for storing images such as TIFFs, JPEGs, and GIFs. The format is lossless, meaning that no data is lost during compression.
- A PSD file is an image file created by Adobe Photoshop, a professional image-editing program often used to enhance digital photos and create web graphics. It is the native format used to save files in Photoshop. PSD files may include image layers, adjustment layers, layer masks, annotations, file information, keywords, and other Photoshop-specific elements. They are commonly created and shared among graphics professionals.
- MIME Type
- image/vnd.adobe.photoshop
