Click the "Select File" button above, and choose your XYD file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert XYD to another file type
To convert XYD data files to another format, you need STOE WinXPOW or other Data software.
Convert a file to XYD
To convert other file formats to the "Scientific Data File" file type, you need software like STOE WinXPOW or a similar tool.
About XYD files
An .XYD file primarily serves as an X-ray diffraction data file, storing measured diffraction intensities and angular X/Y values for scientific material analysis. This format is heavily utilized by STOE WinXPOW and XY-Data Viewer to record the structural properties of chemical compounds and crystals. A secondary, less common variant is the 12d Model XY data file, which is essentially a compressed ZIP container holding a Microsoft Excel spreadsheet.
Handling .XYD files in the real world often presents frustrating limitations. The specialized nature of the format means it cannot be natively opened by standard office software or web browsers. Furthermore, legacy programs like WinXPOW sometimes enforce hard limits - such as capping at 10,000 data points - forcing researchers to artificially 'thin' their data and skip coordinate points, risking a loss of scientific precision. Because it is a niche, proprietary format, sharing raw .XYD files with colleagues who lack the expensive, dedicated software usually leads to unreadable error prompts or corrupted text formatting.
To make this data accessible, conversion is the most practical solution. For data editing, analysis, and plotting, convert .XYD to CSV or XLSX, which organizes the raw coordinates cleanly for Excel, Origin, or Python without manual cleanup. If you simply need a readable text backup for archiving, converting to standard TXT or PDF is the best approach. Drag and drop your file here to analyze and convert it - free, online, and without installing complex scientific software.
Convert.Guru analyzes your XYD file, detects the exact format, and lets you read the text inside.
If you want to convert XYD file to , you can use STOE WinXPOW or similar software from the "X-ray Diffraction Data Storage" category. In the File menu, look for Save As… or Export….
To convert files to XYD, try STOE WinXPOW or another comparable tool in the "X-ray Diffraction Data Storage" category.
The XYD 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 XYD converter.