JCM Converter

Extract text from JCAMP-DX spectra (JCM)

Select File
Drop or upload your .JCM file

Online File Converter

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How to extract text from your JCM file

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

Convert JCM to another file type

To convert JCM spectra to another format, you need Shimadzu LCsolution or other Data software.

Convert a file to JCM

To convert other file formats to the "Spectroscopy Data File" file type, you need software like Shimadzu LCsolution or a similar tool.

About JCM files

The .JCM file extension represents a JCAMP-DX (Joint Committee on Atomic and Molecular Physical Data) chemical spectroscopy file. These ASCII text-based files are standard in chem-informatics for storing nuclear magnetic resonance (NMR), infrared (IR), and mass spectrometry data. While the format is technically human-readable, the raw data points are often compressed or encoded in blocks (e.g., ##XYDATA) that are impossible to interpret without visualization tools.

Users typically encounter .JCM files when exporting data from analytical instruments like Shimadzu spectrophotometers running LCsolution software. The primary constraint is accessibility: colleagues without expensive scientific software cannot view the spectral graphs, and importing the proprietary-tagged ASCII data into Microsoft Excel usually results in formatting errors or misaligned columns. Additionally, older .jcm files may use non-standard tags specific to the hardware manufacturer, causing compatibility issues with generic JCAMP viewers.

To overcome these hurdles, users should convert .JCM files based on their immediate need:

For Data Analysis: Convert to CSV or XLSX to extract the raw X,Y coordinate pairs for plotting in OriginLab or Excel.
For Reporting: Convert to PDF or PNG to generate a visual representation of the spectrum for lab reports and academic papers.
For Web: Convert to SVG for scalable vector graphics that render cleanly in browsers.

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

Users also converted DCM, ESP, EMSA and VTP files.

FAQ

If you want to convert JCM file to , you can use Shimadzu LCsolution or similar software from the "Chemical Spectroscopy Data" category. In the File menu, look for Save As… or Export….

To convert files to JCM, try Shimadzu LCsolution or another comparable tool in the "Chemical Spectroscopy Data" category.

The JCM 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 JCM converter.