Free online tools for flowcharts, charts, diagrams and timelines with no sign-up
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Not given
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
Conversational editing by describing changes in natural language
Matching sets creation from single artwork
Editable layers for text, graphics and vectors
Live 3D preview
Automatic cut line generation
Production-ready file export
Adobe Illustrator integration
Gallery for publishing reusable templates
Windows desktop app
Bleed and crease layer management
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
Natural language design editing that changes only specified parts while preserving overall vision
Real-time 3D preview for immediate production visualization
Automatic production file preparation with cut lines and print specs
Seamless Adobe Illustrator integration for continued editing
Gallery monetization model for creators to earn from template reuse
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
UseIt Studio
Diagram Smith