Click the "Select File" button above, and choose your MOB file.
You'll see a preview.
Click the "Convert file to..." button to save your file in the format you want.
Convert MOB to another file type
The converter easily converts your MOB file to various formats - free and online. No VLC or extra software needed.
Convert a file to MOB
The converter also works in reverse, so you can convert other Game formats to MOB with high quality output.
About MOB files
The .MOB extension is a classic example of a "collision" where different developers used the same three letters for entirely different purposes. Most frequently (22%), you are dealing with a game data archive from Master of Orion II, a seminal 4X strategy game. These files function like locked suitcases containing sprites, ship designs, and audio assets. The friction here is that modern operating systems treat them as unknown blobs; you cannot simply double-click to view the graphics inside. Users typically need to convert these to standard ZIP archives or extract the raw assets to PNG for modding or archival purposes.
Alternatively, your file might be a legacy Mobipocket eBook (21%). While modern Kindles rely on AZW3 or KFX, older .MOB files (a variant of MOBI) are often DRM-protected or incompatible with Apple Books and other contemporary readers. To read these on an iPad or modern E-ink device, conversion to EPUB or PDF is essential to strip away the proprietary lock-in. Less commonly, users encounter AquaIllumination lighting templates (14%), which are actually just plain JSON text files renamed. Regardless of the type, the lack of native support in Windows or macOS makes an automated converter necessary to inspect the contents without guessing the format.
Use Convert.Guru to open and convert your MOB file.
If you want to convert MOB file to MP4, AVI, MOV, WMV, FLV, WEBM, MKV, M4V, 3GP, OGV, ASF or RM, you can use Master of Orion II or similar software from the "Game Data Archive" category. In the File menu, look for Save As… or Export….
To convert MTS, MOV, RMVB, DIVX, RM, H264, TS, WMV, VOB, MP4, XVID or AVI files to MOB, try Master of Orion II or another comparable tool in the "Game Data Archive" category.
The MOB Converter Story
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 MOB converter.