Search spectra, run free tools, or order a private AI report.
Use online search and Three-Axis interpretation for everyday spectra, free utilities for curve extraction and format conversion, or a written PDF report for specific samples.
Search the 320,000+ reference library
Identify unknown spectra or look up known reference records.
Upload an unknown spectrum to retrieve top candidates and inspect Three-Axis peak and literature evidence.
→ Find Reference SpectrumSearch reference records directly by compound name, CAS number, formula, or spectrum ID.
→ My Analyses & ResultsReopen saved search results, candidate overlays, and reports.
→Extract curves, convert formats, and look up peaks
Everyday FTIR utilities available directly in the browser.
Private PDF reports for specific samples
Price per order: $9.90 as a one-time purchase, or included with an active subscription. AI reports are not purchasable with credits. Delivered by email.
Compares two spectra band by band (e.g. incoming vs. reference or before vs. after treatment) with literature evidence.
→ In-Depth InterpretationExplains a difficult unknown or mixture spectrum with peak assignments, likely components, and literature citations.
→ Peak AssignmentAssigns characteristic peaks for a sample of known composition with traceable DOI references for manuscripts and theses.
→Discuss in the forum or integrate via API
Ask the community for help on public spectra, or connect FTIR.fun to your own software.
Post public spectra to discuss peak assignments and interpretation with other users.
→ REST API & MCPCall FTIR search, conversion, and interpretation endpoints from LIMS, ELN, or AI agents.
→ FTIR.fun Gateway Terminal$299 networked terminal for restricted laboratory PCs. Real-time updates and FTIR.fun-only connectivity.
→ FTIR.fun LocalFully offline workstation, one-time purchase, no real-time updates. Raw spectra and analysis stay on site.
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