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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Validated2026-05-24

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No file handy? (polystyrene Raman)

Format Details

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

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Research use only

Method

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

Validated

Last validated 2026-05-24. Calculations are designed for planning and documentation support; verify procurement decisions against manufacturer specifications or institutional SOPs.

How to cite

ConductScience. ConductScience tool (v1.0.0). 2026.

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