Free Tool

Spectral File Viewer

Visualize spectral data directly in your browser — no uploads to any server. Supports JCAMP-DX, SPC, Bruker OPUS, and CSV files with interactive crosshair tracking.

Sample Library

— click any sample to visualize or upload your own

FTIR / Infrared

EthanolCSV

FTIR Absorbance

1,801 pts

1-ButanolJCAMP-DX

14,090 pts

EthylbenzeneJCAMP-DX

1,991 pts

FTIR SampleSPC

FTIR Transmittance

1,776 pts

Absorbance SampleOPUS

FTIR Absorbance

4,927 pts

Raman

Tannic AcidJCAMP-DX

Raman

1,949 pts

FT-Raman SampleSPC

FT-Raman

3,632 pts

Drag & drop a spectral file

JCAMP-DX, SPC, Bruker OPUS, or CSV

.jdx.dx.spc.csv.0

100% client-side — your data never leaves your browser