| What it does | Think-cell-style charts and AI for Google Workspace
| Free online tools for flowcharts, charts, diagrams and timelines with no sign-up
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| Stage | Not given
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| Founded | Not given
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| Based in | DK
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| Pricing model | Freemium
| Freemium
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| Pricing | Free: €0, 10 charts per month. Pro: €10/month (billed monthly) or €80/year. Enterprise: custom pricing per seat.
| 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).
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| Key features | - Waterfall, Mekko, Gantt, and other advanced chart types
- Charts linked to Google Sheets that auto-update
- AI Chat and writing pill using your own Claude or ChatGPT
- Claude connector to insert charts from claude.ai
- Deck checks for off-brand colors, wrong fonts, and conflicting numbers
- Chart annotations including Delta, CAGR, level line, and axis break
- Team palette and shared layouts for brand consistency
- Slide library with approved slides searchable across team
- Desktop app for Mac and Windows to build charts and export as PNG
- Align, arrange, and distribute tools for slide layout
| - 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
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| What makes it different | - Think-cell-style charts in Google Slides—the only tool to bring advanced charting to Slides
- Runs on your own Claude or ChatGPT, adding no model bill
- Colleagues see charts without needing ChartKit installed
- Numbers on slides stay linked to Sheets and refresh automatically
- Data is never trained on; only decks you open are accessed
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 3 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 3 | 0 |
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| Citation Flow (Majestic) | 10 | 19 |
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| Referring domains (Majestic) | 3 | 4 |
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ChartKit
Diagram Smith