VennLab

VennLab is a simple, focused tool for building clear Venn diagrams right on your phone. Whether you're studying set theory, comparing options, or explaining overlapping ideas, VennLab helps you visualize the relationships between two or three sets in seconds.
No clutter, no sign-up, no steep learning curve — just open the app and start drawing.
WHAT YOU CAN DO
• Create diagrams with 2 or 3 overlapping sets
• Rename each set with your own labels
• Choose fill colors from a clean, curated palette
• Adjust the transparency of each set so overlaps stay readable
• Watch a live preview update as you edit
• Browse your diagrams in a tidy gallery with thumbnails
• Built-in help so you're never stuck
DESIGNED TO BE SIMPLE
VennLab keeps the interface minimal and distraction-free. Every control is where you expect it, and your changes are saved automatically as you work — so you can focus on the idea, not the tool.
PERFECT FOR
• Students learning set theory, unions and intersections
• Teachers preparing quick visual explanations
• Anyone comparing categories, options or ideas
• Brainstorming, note-taking and presentations
LIGHTWEIGHT & EASY
• Small download and fast to open
• Create diagrams fully offline — no internet required
• No account or login needed
• A clean, modern design that adapts to light and dark mode
VennLab does one thing well: making Venn diagrams that are clean, colorful and easy to read.
This app contains ads.
Download VennLab and turn overlapping ideas into clear visuals.