Click the "Select File" button above, and choose your NKS file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert NKS to another file type
To convert NKS files to another format, you need Kontakt or other Other software.
Convert a file to NKS
To convert other file formats to the "Legacy Audio / Stitch Data" file type, you need software like Kontakt or a similar tool.
About NKS files
The .NKS extension represents a collision between two distinct legacy worlds: professional audio sampling and embroidery design.
First, in the audio realm, an .NKS file is a Monolith Container used by the discontinued Kompakt sampler from Native Instruments. Unlike modern Native Kontrol Standard files (which use .NKSF), these legacy .NKS files bundle audio samples and instrument patches into a single, often encrypted block. This proprietary lock-in is a common problem for musicians; the format is tied to an obsolete 32-bit architecture, making libraries like EastWest Colossus or Ethno World unreadable in modern DAWs without conversion. Users frequently need to convert these containers to standard WAV files for flexibility or re-save them as NKI files using full versions of Kontakt.
Second, in the textile industry, .NKS serves as an Embroidery Design Archive created by Accurate Software. These files store stitch patterns and vector data for older embroidery machines. Because this format is obscure and proprietary, it is rarely supported by modern consumer machines (like Brother or Janome), which require PES, DST, or EXP formats. Users must convert .NKS archives to usable machine instructions to prevent the loss of intricate vintage designs.
Use Convert.Guru to open and convert your NKS file.
If you want to convert NKS file to MP3, WAV, AAC, FLAC, OGG, WMA, M4A, AIFF, OPUS, ALAC, APE or WV, you can use Kontakt or similar software from the "Sample Library / Embroidery Archive" category. In the File menu, look for Save As… or Export….
To convert MIDI, AAC, TTA, AU, WV, DTS, MID, FLAC, RA, MP3, PCM or WAV files to NKS, try Kontakt or another comparable tool in the "Sample Library / Embroidery Archive" category.
The NKS 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 NKS converter.