Click the "Select File" button above, and choose your NPY file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert NPY to another file type
To convert your NPY file to another format, you need NumPy or other Data software.
Convert a file to NPY
To convert other file formats to the "Numerical Array File" file type, you need software like NumPy or a similar tool.
About NPY files
The .NPY file extension represents the standard binary file format used by the NumPy library, the fundamental package for scientific computing in Python. These files store N-dimensional arrays (ndarrays) along with metadata regarding shape and data type (dtype), allowing for efficient storage and retrieval of large numerical datasets. While .NPY files are incredibly efficient for programmatic access within a Python environment, they present significant hurdles for data sharing and manual inspection. Because the format is binary and proprietary to NumPy, these files cannot be opened in standard spreadsheet applications like Microsoft Excel or text editors like Notepad++. Data analysts often find themselves locked out of their data without writing custom Python scripts to load the file. To make the data accessible for reporting, auditing, or non-technical stakeholders, it is essential to convert .NPY files to interoperable formats. For spreadsheet analysis, convert to CSV or XLSX. For web integration and API usage, convert to JSON. For archiving or MATLAB compatibility, convert to MAT.
Convert.Guru analyzes your NPY file, detects the exact format, and lets you read the text inside.
If you want to convert NPY file to CSV, PNG, TXT, JPG, MAT, IMAGE, NPZ, JSON, BIN, XML, YAML or YML, you can use NumPy or similar software from the "Scientific Data Storage" category. In the File menu, look for Save As… or Export….
To convert DBF, XML, SQLITE, XLSX, SQL, TSV, ACCDB, YAML, MDB, CSV, ODS or JSON files to NPY, try NumPy or another comparable tool in the "Scientific Data Storage" category.
The NPY 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 NPY converter.