Extract text from Phone logo files (DOB)
To convert DOB Logos to another format, you need Yealink Picture Tool or other Raster Image software.
To convert other file formats to the "Proprietary Hardware Graphic" file type, you need software like Yealink Picture Tool or a similar tool.
The .DOB file is primarily a proprietary bitmap image format used by Yealink for their VoIP desktop IP phones. Network administrators use these files to upload custom company logos to the LCD screens of the hardware. Additionally, a .DOB file can be a reinforcement bar data file used by Stella-3D software, a Digital Ocean backup, or a legacy Microsoft Visual Basic UserDocument.
The main disadvantage of the .DOB image format is that it is strictly proprietary and hardware-specific. It is not supported by standard web browsers, operating systems, or typical image viewers like Adobe Photoshop. If you attempt to open a .DOB file by double-clicking it on Windows or macOS, it will fail. Furthermore, the format enforces harsh limitations on resolution and color depth, tailored exactly to the target phone's low-resolution screen.
Users often need to convert these files when they lose the original logo graphic and need to extract the image back into a standard format. The best conversion targets are PNG or BMP for lossless editing, though some original color data may already be permanently lost due to the phone's hardware constraints.
This file format is exceptionally difficult to open or convert because standard online converters rely on common image headers that .DOB files lack. Often, only the original Yealink Picture Tool can properly read or export the data. Despite these challenges, drag and drop your file into convert.guru to see what it is and convert it if supported. Our system will inspect the raw hex data to see if an underlying standard bitmap is embedded, giving you the best chance to view your content without the original proprietary software.
Convert.Guru analyzes your DOB file, detects the exact format, and lets you read the text inside.
Users also converted PNG, JPG, BMP, VOB, PDF, JPEG, MEMO, EDZ and JPA files.
If you want to convert DOB file to JS, TS, PY, JAVA, CPP, C, CS, PHP, RB, GO, RS or SWIFT, you can use Yealink Picture Tool or similar software from the "VoIP Screen Logo Image" category. In the File menu, look for Save As… or Export….
To convert SH, PY, KT, PS1, SWIFT, LUA, PL, JAVA, SCALA, JS, VBS or TS files to DOB, try Yealink Picture Tool or another comparable tool in the "VoIP Screen Logo Image" category.
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 DOB converter.