ToDiagram
Transform data to diagrams
SubscriptionVisual editingHelpersIDE4,096 impressions#5 of its week
ToDiagram turns JSON, YAML, CSV, XML and Mermaid data into interactive diagrams you can edit, search and export.
- for
- Developers, data teams, designers and anyone who works with structured data.
- pricing
- freemium
Key features
- Live data-to-diagram — Paste JSON, CSV, YAML, XML or Mermaid and see an auto-generated graph rendered in the browser.
- Two-way sync editing — Edit the diagram to update the source data and edit the data to redraw the diagram instantly.
- Fuzzy search — Search keys, values or paths in large payloads and highlight matching nodes.
- AI Copilot — Describe a system in plain text and get a draft diagram that you can edit immediately.
- Export options — Download diagrams as PNG, JPEG, SVG or animated high-res images.
- MCP integration — Connect to Claude, Cursor, VS Code and other MCP-compatible agents to generate diagrams on demand.
- Custom themes — Swap palettes for nodes, edges and backgrounds with a single click.
- JSON Schema validation — Attach a schema to get real-time validation errors highlighted on the diagram.
Use cases
- Debug a webhook payload by visualising the full JSON structure.
- Explore a CSV dataset to understand column relationships before writing queries.
- Create API documentation diagrams from OpenAPI or raw responses.
- Generate CI/CD pipeline maps from configuration files for platform teams.
- Share a design-token map with designers via a read-only link.
ToDiagram pricing
- Free$0Create and edit diagrams · Store up to 3 diagrams · Basic PNG & JPEG export · API and MCP access
- Pro$10/ month/monthNo diagram size limit · AI Copilot for drafting and editing · Save up to 200 diagrams · SVG, high-res & animated exports
- Teams$12/ month per person/month per personAll Pro features for the whole team · Team document sharing and management · Centralized billing and seat management
ToDiagram vs alternatives
 ToDiagram |  Schema Visualizer |  Impler |  Fine |  Pieces Copilot | |
|---|---|---|---|---|---|
| Best for | Instant visualisation of messy data | API schema visualisation | CSV import UI components | AI-assisted diagram generation | AI-driven diagram assistance |
| Pricing | Freemium | Subscription | Subscription | Free | Free |
| DevHunt upvotes | 2 | 17 | 77 | 75 | 63 |
| Launched | Jul 2025 | Apr 2024 | Apr 2024 | Jan 2023 | Mar 2024 |
- ToDiagram vs Schema Visualizer: Focuses on visualising API schemas, while ToDiagram handles arbitrary JSON/YAML/CSV data and offers AI drafting.
- ToDiagram vs Impler: Provides CSV/Excel import widgets for apps; ToDiagram visualises CSV data as diagrams and adds editing/export features.
- ToDiagram vs Fine: AI agents for building software; ToDiagram’s AI copilot creates diagrams from prompts rather than full code.
- ToDiagram vs Pieces Copilot: AI coding sidekick for workflow assistance; ToDiagram’s AI is specialised for diagram drafting from data.
ToDiagram FAQ
What data formats does ToDiagram support?+
It supports JSON, CSV, YAML, XML and Mermaid diagrams.
Is my data secure?+
Parsing and rendering happen locally in the browser; data is only sent to the server when you explicitly choose to save or share.
Can I handle large datasets?+
Yes, ToDiagram splits large datasets into chunks and can collapse/expand nodes for smooth performance.
How do I export my diagrams?+
Diagrams can be exported as PNG, JPEG, SVG or animated high-resolution images.
What is the AI Copilot?+
A text-to-diagram feature that drafts a diagram from a plain-language prompt, which you can then edit or ask follow-up questions.
Summarized by DevHunt from todiagram.com · Sep 28, 2026. Details may change; check the official site.
![FASHN Virtual Try-On [ Web app & API ]](https://devhunt-images.b-cdn.net/1729513838732-1729513837946fashn-dark.png?width=64)
