Extract text from AD files
To convert your AD file to another format, you need macOS Finder or other System software.
To convert other file formats to the "Resource Fork Wrapper" file type, you need software like macOS Finder or a similar tool.
The .AD file extension represents a diverse set of formats, most commonly serving as an AppleDouble header file generated by macOS. These files act as a wrapper to store resource fork data (like custom icons, window positions, and Finder tags) on file systems that do not natively support Mac metadata, such as Windows NTFS or Linux EXT4. While essential for the Mac file system, they often appear as "ghost" files (e.g., ._filename) on other platforms, creating clutter and confusion without containing the actual user content. Users frequently need to process these to extract embedded thumbnails or simply clean them from non-Mac servers.
Another significant use of the .AD extension is in telephony and legacy software. It is used by Asterisk PBX systems for voice recordings (often ADPCM encoded). These raw audio files are optimized for telephony hardware but fail to play in standard media players like VLC Media Player or Windows Media Player. To make these recordings usable for archiving or listening, users must convert them to universally supported formats like MP3 or WAV. Additionally, vintage computing enthusiasts may encounter .AD files as After Dark screensaver modules (famous for the "Flying Toasters"), which are proprietary executables that require emulation or specific conversion tools to run on modern 64-bit operating systems.
Convert.Guru analyzes your AD file, detects the exact format, and lets you read the text inside.
Users also converted AD1, ZIP, AI, AB, JPG, PDF, MOV, MP4, PEF, BD1, BME and BS files.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our AD converter.