Click the "Select File" button above, and choose your KDT file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert KDT to another file type
To convert KDT Game files to another format, you need KiriKiri or other Game software.
Convert a file to KDT
To convert other file formats to the "Game Data Archive" file type, you need software like KiriKiri or a similar tool.
About KDT files
The .KDT file format is primarily used as a proprietary Game Data Container by various Japanese game engines, notably those developed by KID Corp and the open-source KiriKiri / KAG engine. These files function similarly to standard archives but use custom headers and obfuscation to package assets like sprites, background music, and game scripts. A smaller percentage of .KDT files are used as Materials Science Data Files by equipment from k-Space Associates, storing specialized analytical measurements. They are also occasionally associated with character data in the game Koikatu or specialized configurations in the open-source painting app Krita. Users often need to convert or extract .KDT files to access internal media assets for modding, translation, or preservation. The main disadvantage of the .KDT format is its proprietary, closed nature. Standard archive utilities like WinRAR or 7-Zip usually cannot read them because of specific byte-shifting or engine-specific encryption. For the k-Space data files, the format locks scientific data into specialized software, often requiring expensive licenses to open natively. If you are dealing with a game archive, the best conversion targets are standard folders or ZIP files containing the extracted assets. For scientific data or KiriKiri config files (often stored as plain UTF-16 LE text), converting to TXT or CSV is the most practical choice. Keep in mind that extracting game assets might lose directory structures or metadata specific to the engine. Because .KDT files are specialized, they are notoriously difficult to open or convert with standard tools. Usually, only the original game engine or specific community-built extractors can properly read the data. However, standard online converters fail entirely. Just drag and drop your file onto convert.guru to identify the format, inspect the file's hex data, and view internal text. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible.
Convert.Guru analyzes your KDT file, detects the exact format, and lets you read the text inside.
If you want to convert KDT file to , you can use KiriKiri or similar software from the "Game Data Archive Storage" category. In the File menu, look for Save As… or Export….
To convert files to KDT, try KiriKiri or another comparable tool in the "Game Data Archive Storage" category.
The KDT 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 KDT converter.