Free online tools for flowcharts, charts, diagrams and timelines with no sign-up
Stage
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Pricing model
Freemium
Freemium
Pricing
Components range from free to pay-what-you-want. All Access subscription: $149 (discounted from $323).
Free: no account required, all diagram and chart makers, PNG/SVG/PDF export, no watermark. Pro: Monthly $9.99 a month, Yearly $99.99 a year with 7-day free trial, Lifetime $239.99 once. Euro area: €10.99 a month, €109.99 a year, €259.99 once (VAT included).
Key features
Light and dark theme toggle
Remembers visitor theme preference
Code override for components
Customizable icon colors
Adjustable icon size
System theme detection
Multiple instance support
Flowchart and process diagram maker with canvas and text-to-diagram modes
Text-to-diagram tools for UML, ER and sequence diagrams
Chart tools: pie chart, line graph, gauge and Sankey diagram
Automatic diagram layout from typed text
Export to PNG, SVG and PDF without watermark
Share diagrams with share links
Pro: editable .drawio export and vector PDF
Pro: multi-page documents and layers
Diagram checks for unlabelled branches and dead ends
Works on phone and computer
What makes it different
No setup required - works immediately when dropped into a Framer project
Variant naming convention covers components that color styles cannot reach
Works with Framer's built-in light and dark color styles
Free and pay-what-you-want pricing
Persists user preference across sessions
Completely free with no account required and no watermark on exports
Nothing uploaded: all work stays on your device in your browser
Results computed by the same tested code, not manually typed
Multiple export formats: PNG at 4 sizes, SVG and PDF
Converts between formats: Mermaid to draw.io, SQL to ER, Visio to flowchart
Pixco
Diagram Smith