Extract text from CTR importable archives (CIA)
To convert CIA archives to another format, you need Citra Emulator or other Game software.
To convert other file formats to the "Console Installable Archive" file type, you need software like Citra Emulator or a similar tool.
A .CIA file is a CTR Importable Archive, primarily used to install games, software updates, and system titles on the Nintendo 3DS handheld console. CTR was the internal development codename for the 3DS hardware. These files are typically handled by custom firmware (CFW) applications on the console itself, such as the FBI open-source title manager, or played on desktop computers via the Citra Emulator.
The major disadvantage of the .CIA format is its heavily restricted, proprietary nature. It is tightly integrated with Nintendo's digital rights management (DRM) and encryption architecture. A standard .CIA is a custom archive containing the game executable, a digital manual, icon data (.SMDH), and a Title Metadata (TMD) file. Because of this, you cannot open it natively on Windows, macOS, or Linux. Standard archive extraction tools like 7-Zip or WinRAR will completely fail to unpack it. Additionally, full game files often exceed 1GB or 2GB, making them cumbersome to store, manage, and transfer without specialized SD card workflows.
Users typically look to convert .CIA files to standard 3DS ROM formats (which are required for hardware flashcarts like the Gateway 3DS) or to CXI executable files for easier emulator management. Users also frequently want to extract the internal audio, 3D models, and texture assets for modding or archival purposes.
Because this is a closed, proprietary format heavily reliant on console-specific encryption keys, standard online converters fail to process it. Often, only the original console hardware or dedicated decryption software can properly read or export the data. If our analysis detects an unencrypted archive or supported embedded data, viewing internal metadata or executing a partial conversion may still be possible.
Convert.Guru analyzes your CIA file, detects the exact format, and lets you read the text inside.
Users also converted 3DS, CCI, ZIP, NDS, 7Z, GBA, CXI, RAR, 3DSX, TXT, NCCH, MP4 and ROM files.
If you want to convert CIA file to 3DS, NDS, ZIP, GBA, OBJ, FBX, DAE, MAX, BLEND, MA, MB or C4D, you can use Citra Emulator or similar software from the "Nintendo 3DS Title Installer" category. In the File menu, look for Save As… or Export….
To convert DWG, DAE, X3D, IGES, WRL, JT, SKP, 3DS, 3DM, OBJ, STEP or FBX files to CIA, try Citra Emulator or another comparable tool in the "Nintendo 3DS Title Installer" 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 CIA converter.