Why FlowSimp for flowcharts
- 100% free — no paid tier, no watermark, no credit card.
- Guest mode: start drawing instantly, no signup required.
- All standard shapes: rectangle, rounded box, diamond, circle.
- Snap connections with a one-click Connect tool.
- Export to PNG at high resolution for docs and slides.
Ready to draw?
No signup. Opens instantly in your browser.
How to make a flowchart in 5 steps
- Open the FlowSimp editor.
- Pick a shape from the toolbar and click the canvas to place it.
- Double-click any shape to add its label.
- Select the Connect tool and click two shapes to draw an arrow.
- Click the download icon to export your flowchart as PNG.
Common flowchart use cases
Process documentation, software architecture sketches, decision trees, onboarding workflows, swimlane diagrams, and process flow diagrams. Need freehand brainstorming instead? Try the online whiteboard.