RAS Converter

Convert Raster images and data (RAS) online for free


Drop or upload your .RAS file
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How to convert your RAS file

  1. Click the "Select File" button above, and choose your RAS file.
  2. You'll see a preview.
  3. Click the "Convert file to..." button to save your file in the format you want.

Convert RAS to another file type

The converter easily converts your RAS files to various formats - free and online. No Rigaku SmartLab Studio or or other Data software needed.

  • RAS to JPG
  • RAS to PDF
  • RAS to PNG
  • RAS to GIF
  • RAS to BMP
  • RAS to TIFF
  • RAS to TIF
  • RAS to ICO
  • RAS to PSD
  • RAS to VGA
  • RAS to PRC
  • RAS to RLA

Convert a file to RAS

To convert other file formats to the "X-ray Diffraction Data" file type, you need software like Rigaku SmartLab Studio or a similar tool.


About RAS files

The .RAS file extension represents multiple distinct formats, leading to frequent compatibility issues. Most often, it functions as a data file containing X-ray diffraction (XRD) data generated by Rigaku Corporation equipment, widely used in materials science. Alternatively, it serves as a Sun Raster image file, a legacy bitmap graphics format developed by Sun Microsystems for the Unix operating system. Gamers may also encounter .RAS as a Remedy Archive System file, which stores compiled game assets for classic titles like Max Payne.

Because of its highly fragmented nature, attempting to open a .RAS file without the specific source software often fails. Rigaku data requires proprietary analytical tools like SmartLab Studio II, making it difficult to share findings with colleagues or clients without exporting it first. Legacy Sun Raster images are rarely supported by modern web browsers or standard operating system image viewers, rendering them practically invisible to non-technical users. Game archive .RAS files are heavily compressed and require specialized, community-built unpacking utilities to extract models, textures, or audio.

To make these files actually usable, conversion is highly recommended. For Sun Raster images intended for web use, convert to WebP or PNG to maintain lossless graphic quality, or JPG for smaller file sizes. For Rigaku data, converting the numerical output into a CSV or XLSX spreadsheet allows for universal data analysis in standard office software. If you need to distribute the graphics or data reports for rigid archiving, convert to PDF/A. Drag and drop your file here to analyze and convert it - free, online, and without installing complex proprietary software.

Use Convert.Guru to open and convert your RAS file.

Users also converted RASX, RAW, ASC, XRDML, XY, TXT, ZIP, PKL, JPG, XPM, XBM, JPF and TAS files.


FAQ

If you want to convert RAS file to TAS, WEBP or CUR, you can use Rigaku SmartLab Studio or similar software from the "X-ray Diffraction Data Storage" category. In the File menu, look for Save As… or Export….

To convert RAW, PNG, AI, NEF, PSB, DNG, SVG, GIF, EPS, JPG, ARW or PDF files to RAS, try Rigaku SmartLab Studio or another comparable tool in the "X-ray Diffraction Data Storage" category.



The RAS 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 RAS converter.