- Extension
- .gm4
- .heif
- Format
- Binary
- Binary
- Category
- Raster Image
- Raster Image
- Developer
- Autologic
- Apple
- Description
- The GM4 file type is associated with Autologic, a software used primarily for document management and publishing. GM4 files typically contain information related to graphic design, page layout, or print production. These files are used within the Autologic system to store and handle graphic media elements such as images, fonts, and formatting details necessary for professional printing and publishing workflows. The format is specialized for use in the publishing industry, facilitating the creation and modification of high-quality printed materials.
- Based on HEVC (High-Efficiency Video Coding), the HEIF format is an image file container with one or multiple images and is the default image format for Apple Live Photos. It replaced the JPEG format as it's smaller in size and has lossless compression ensuring high-quality photos.
- MIME Type
- application/vnd.groove-injector
- image/heif
