---
title: Plugins overview
url: https://www.moldraw.com/docs/plugins/moldraw-plugins-overview-and-how-to-install/
section: Plugins
updated: 2026-10-11
publisher: LabCanvas
---

# Plugins overview

> Plugins add extra features to MolDraw. Open Settings, then Plugins, and click Install. Most need a free account.

![MolDraw Settings with the Plugins list and Install or Disable buttons](https://www.moldraw.com/docs/img/settings-plugins-install-panel.webp)
*1 Plugins section. 2 Install, Disable or Uninstall.*

1. Sign in to MolDraw.
2. Click **Settings** (gear icon).
3. Click **Plugins**.
4. Click **Install** next to the plugin you want.

## All plugins

- [NMR Analyser](https://www.moldraw.com/docs/plugins/nmr-analyser-plugin-predict-1h-13c-and-2d-nmr-spectra/): Predict 1H, 13C, COSY, HSQC and HMBC spectra. You get peak tables and atom labels.
- [ChEMBL](https://www.moldraw.com/docs/plugins/chembl-plugin-bioactivity-and-drug-target-lookup/): Look up bioactivity, targets and similar compounds in ChEMBL for any molecule.
- [Electrostatic Potential (MEP)](https://www.moldraw.com/docs/plugins/mep-plugin-molecular-electrostatic-potential-surface/): Color a 3D surface by electrostatic potential from Gasteiger charges.
- [Compare Molecules](https://www.moldraw.com/docs/plugins/compare-molecules-plugin-tanimoto-similarity/): Compare structures side by side. See Tanimoto similarity, group changes and export CSV.
- [Protein Viewer](https://www.moldraw.com/docs/plugins/protein-viewer-plugin-view-pdb-structures-in-3d/): Load a PDB entry by ID or file. Show cartoon or surface and export images.
- [Smart Draw](https://www.moldraw.com/docs/plugins/smart-draw-plugin-hand-drawn-sketch-to-structure/): Sketch with a pen, mouse or finger. Strokes turn into bonds, rings and labels.
- [AI Spectroscopy](https://www.moldraw.com/docs/plugins/ai-spectroscopy-plugin-predict-nmr-ms-and-uv-vis/): Ask the AI chat for NMR, mass and UV-Vis predictions of your molecule.
- [Themes (Ball-and-Stick)](https://www.moldraw.com/docs/plugins/themes-plugin-ball-and-stick-2d-style/): Switch the 2D canvas to a colored ball and stick look for slides and posters.

> **Note:** Protein viewer and Themes are on by default. They work without an account.

## Questions and answers

**Are plugins free?**
Yes. All plugins are free. Most need a free account.

**Where do plugin panels open?**
Most open as tabs next to Structure in the right panel.