VennFan - Venn diagrams

VennFan is a diagram editor for creating clean, customizable Venn diagrams diagrams directly on your Android device.

Build diagrams with 2 to 7 classes, edit region and class labels, adjust colors, and export your work in multiple formats. VennFan supports both classic elliptical Venn diagrams and VennFan-style sine and cosine constructions for larger diagrams.

Main features:

Create diagrams with 2 to 7 classes
Use elliptical, sine, or cosine diagram types
Edit class labels, region labels, and the diagram title
Customize colors, boundaries, text size, and label placement
Move, rotate, and fine-tune individual labels
Export diagrams as PDF, SVG, PNG, or JPG
Share exported diagrams or copy images to the clipboard
Save your settings and reuse your preferred diagram style

VennFan is designed for users who need quick, flexible diagram creation, including students, teachers, researchers, designers, and anyone working with set relationships or overlapping categories.

The app includes advanced options for VennFan diagrams, such as sine and cosine constructions, label placement modes, color mixing, export settings, and detailed rendering controls.

VennFan works locally on your device for diagram creation and editing. Exported files are saved only when you choose to save or share them.