Create fast, fun, weird presentations and publish them as real web links
Free online tools for flowcharts, charts, diagrams and timelines with no sign-up
Stage
MVP
Not given
Founded
Not given
Not given
Based in
PT
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Pricing model
Freemium
Freemium
Pricing
Free: create and publish anonymously, no account required. Pro: €9.99/month or €79/year (also available via Patreon Supporter membership during Early Access).
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
Create presentations without account or login required
Publish presentations as public web links
Embed presentations on your own website
Publish under custom @handle (Pro only)
Up to 15 slides per deck (Free) or 25 slides (Pro)
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
Anonymous publishing without login or credit card
Simple two-tier pricing with no hidden plans or upgrades
Ownership and control features distinguish Free from Pro
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