RLS Converter

Extract text from RLS files


Drop or upload your .RLS file
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How to extract text from your RLS file

  1. Click the "Select File" button above, and choose your RLS file.
  2. You’ll see a preview, if available.
  3. Click the "Convert file to..." button to extract text information.

Convert RLS to another file type

To convert your RLS file to another format, you need UV WinLab or other Data software.

Convert a file to RLS

To convert other file formats to the "Scientific Data" file type, you need software like UV WinLab or a similar tool.


About RLS files

The .RLS file extension is most frequently generated by PerkinElmer spectroscopy software, such as UV WinLab or the PEDS suite, to store UV/Vis spectral data. These files contain raw measurement results, specifically reflectance or absorption spectra used in chemical analysis. A significant difficulty for researchers is that .RLS files are proprietary binary containers; they cannot be opened directly in standard data analysis tools like Microsoft Excel or MATLAB without prior export or conversion. This dependency on specific instrument software creates bottlenecks when sharing data with colleagues who lack expensive software licenses or when archiving data for long-term publication standards. To make this data usable, the best workflow is converting .RLS to CSV or XLSX for numerical analysis and graphing, or to PDF for immutable lab reports. Less commonly, an .RLS file may be a reinforcement steel schedule created by Nemetschek Allplan, used in CAD engineering to list rebar specifications; these are distinct formats often compressed within a ZIP archive structure.

Convert.Guru analyzes your RLS file, detects the exact format, and lets you read the text inside.

Users also converted PDF and BCN files.


FAQ

If you want to convert RLS file to DWG, DXF, DGN, RVT, RFA, SKP, 3DM, STEP, IGES, SAT, X_T or X_B, you can use UV WinLab or similar software from the "Spectroscopy Data Storage" category. In the File menu, look for Save As… or Export….

To convert SLDASM, DGN, PRT, IAM, X_B, CATPRODUCT, SLDPRT, RVT, ASM, DWG, CATPART or DXF files to RLS, try UV WinLab or another comparable tool in the "Spectroscopy Data Storage" category.



The RLS 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 RLS converter.