AI Graph Maker is a versatile and user-friendly online tool that allows you to quickly create a variety of professional charts for different purposes, such as data analysis, project management, and presentations—completely free of charge. From pie charts to line charts, flowcharts, Gantt charts, and ER diagrams, AI Graph Maker simplifies data visualization, helping you present information clearly and effectively.

Automatically Generate Multiple Chart Types

AI Graph Maker can automatically generate various chart types, including:

• Pie Charts: Perfect for showing proportions and how parts relate to a whole.
• Line Charts: Ideal for tracking trends over time and analyzing progress.
• Flowcharts: Great for visualizing processes, decision paths, and workflows.
• Gantt Charts: Essential for project management, showing timelines, task durations, and progress.
• ER Diagrams: Useful for modeling relationships between data entities in database design.

These diverse chart options ensure that you can find the right visualization for your data.

Real-Time Customization and Editing

Once your chart is generated, AI Graph Maker offers an intuitive editor that allows you to customize every detail. You can adjust the style, colors, labels, and data relationships to suit your needs. This easy-to-use interface makes it simple for both beginners and experienced users to make adjustments without any design expertise.

Seamless Export Options for Flexibility

After customizing your chart, you can export it in multiple formats, including PNG and SVG. This flexibility makes it easy to integrate your charts into reports, presentations, or websites. Whether you need a static image (PNG) or a scalable vector graphic (SVG) for further editing, AI Graph Maker ensures that your charts can be used across various platforms.

With these features, AI Graph Maker streamlines the process of creating and sharing charts, saving you time and boosting productivity.

PostalDataPI is a global postal code validation and enrichment API covering 240+ countries and territories. One API, one key, one flat rate — $0.000028 per query with no tiers or subscriptions.

What you get back: Up to 18 metadata fields per postal code — city, state/region, coordinates, timezone, three levels of administrative hierarchy, elevation, and more. Sub-5ms cached responses.

Works everywhere: US ZIP codes, UK postcodes, German PLZ, Japanese postal codes, Canadian FSAs, and 230+ more. Format normalization handles case, spacing, and hyphen variations automatically.

Get started in 60 seconds: 1,000 free queries on signup, no credit card required. SDKs for Python and Node.js. MCP server for AI agents (Claude, Cursor, etc.).

Built for developers: REST API, consistent JSON responses across all countries, OpenAPI spec, llms.txt for AI agent discovery.