Free grid drawing tool to copy reference photos onto paper or canvas
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
Customizable grid with rows and columns
Cell labeling with A1 style labels
Step-by-step cell drawing mode with progress saved
Black and white and value study filters
Multiple export formats: PNG, JPG, PDF
Diagonal guide lines in cells
Canvas size matching for paper dimensions
Works on tablets and phones
Rule of thirds and golden ratio overlays
Full-size tiled PDF for murals
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
Runs entirely in browser with no server uploads
Free with no account, watermark or paywalled features
Step-by-step mode keeps your place while drawing
Progress saved in browser between sessions
Works offline after page loads
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
Grid for Artists
Diagram Smith