How do I open .spc spectral files without GRAMS?

Upload your .spc file here. The converter parses the GRAMS-era binary format, plots spectra, and exports to JCAMP-DX or CSV. No GRAMS software required.

What is the SPC file format?

SPC is a binary spectral data format from the Thermo/Galactic GRAMS ecosystem. It stores single or multiple spectra with header metadata, data blocks, and optional log text.

ToolsConductScience tool

100% Client-SideFree in-browser calculator

SPC Spectrum Converter.

Open Galactic/GRAMS .spc spectral files. Plot single or multi-spectra, convert to JCAMP-DX or CSV.

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Format Details

Extensions: .spc
Domain: Spectroscopy
Legacy software: GRAMS/AI
License: Open parsers available

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Method

Uses the tool-specific formulas and assumptions shown in the calculator output.

Published

Calculations support planning and documentation; verify procurement decisions against manufacturer specifications or institutional SOPs.

How to cite

ConductScience ConductScience tool. ConductScience, Inc. 2026. Available at: https://conductscience.com/tools/file-formats/spc-spectrum-converter

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