chempirical
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tools
Molar Mass Calculator
Stoichiometry Calculator
Reaction Scale Calculator
pH Calculator
Vapor Pressure Calculator
Fractional Distillation Predictor
Pressure–Temperature Nomograph
Equation Balancer
NMR Spectrum Predictor
Drug-Likeness
SMILES To Structure Converter
Spectroscopy File Converter
Pressure Unit Converter
Periodic Table
Reactions Browser
SDS Products Browser
Covalent
Molecular Editor
Signum
Spectroscopy Analyzer
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Signum
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Signum
Data
Peaks
0
Integrals
0
Processing
Load a spectrum to view data
Load a spectrum
Load a spectrum
Phase Correction (NMR)
PH0
0°
PH1
0°
Smoothing
0
Apply
Baseline Correction
Auto
Reset
Normalize
To Max
To Area
Peak Picking
Threshold
5%
Re-pick
Derivative
1st Derivative
2nd Derivative
Zoom Presets (NMR)
Full
Aromatic
Heteroatom
Alkyl
Aldehyde
Display
Peak labels
Integral curves
Grid
Stacking offset
0%
No spectrum selected
No spectra loaded
Drop files or press
Ctrl+O
Tools
Actions
Panels
Tools
Settings
Display
Font
JetBrains Mono
JetBrains Mono
IBM Plex Mono
Hack
Keyboard Shortcuts
×
Tools
Pan
H
Zoom
Z
Peak pick
P
Integrate
I
Baseline
B
Reference
R
Display
Fit view
F
Grid
G
Peak labels
L
Crosshair
C
Multiplets
M
Actions
Open file
Ctrl+O
Command palette
Ctrl+K
Undo
Ctrl+Z
Redo
Ctrl+Y
Export SVG
Ctrl+Shift+S
Export PNG
Ctrl+Shift+E
Shortcuts help
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Mouse
Scroll wheel
Zoom in/out
Right-click
Context menu
Pinch (touch)
Zoom
Fit to view
F
Zoom in 2x
Zoom out 2x
Add peak here
P
Set as reference
R
Clear all peaks
Clear all integrals
Auto-integrate peaks
Remove solvent peaks
Difference spectrum
Analyze multiplets
Copy publication string
Calculate SNR
Auto-pick peaks
Export SVG
Export PNG
SVG
Ctrl+Shift+S
PNG
Ctrl+Shift+E
Print SVG
White bg
Peak CSV
Table data