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
Free
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
Generate favicons from images, text, or emoji
Convert between PNG, JPG, WebP, SVG, GIF and ICO formats
Check website favicon setup and scoring
Extract and download icons from any website
Instant canvas rendering as you design
Create complete favicon packages with manifest
Favicon API for developers
Batch generator for bulk favicon creation
PWA and app icon generator
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
Processes most files in your browser without uploading
No account or signup required
Complete favicon package in one ZIP file
Comprehensive guides for implementation
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
favicon.gg
Diagram Smith