Web FTIR Spectra Visualizer & Peak Fitting Tool

🔬 FTIR Spectra Analyzer

Load FTIR spectra (JCAMP-DX .jdx or two-column text), isolate regions of interest, and fit bands.

Supported: .jdx, .dx, .csv, .txt, .dat, .asc · (or All Files).

Win:

Δ: cm⁻¹

± cm⁻¹

🎚️ Interactive Adjust (mouse wheel)

Δ+ ×%

Pick a target and mode, then use ➖ / ➕ (or two-finger scroll over the plot).

Enable Live Tooltip

Active spectra loaded: 0

🔬 Reference Databases

Add a library below, then search. To match: turn on Peak Selection, right-click to mark bands, then Match.

Manage sources

📋 Plotted Spectra Layers:

No Spectra Loaded

Cursor Position: Wavenumber = --

Dataset / Spectrum	Peak ID	Center (cm⁻¹)	Amplitude (counts)	FWHM (cm⁻¹)