Comparing the most popular open-source charting libraries
A practical comparison of Chart.js, ECharts, Plotly, Nivo, and visx with code examples, trade-offs, and when to skip client-side rendering entirely.
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Blog
Supported chart and diagram formats in ChartQuery
A practical guide to every chart type and diagram language currently supported in ChartQuery, with use cases and examples.
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Use ChartQuery as an MCP server in your AI coding assistant
Connect ChartQuery to Claude Code, Cursor, Gemini CLI and other MCP clients. Generate charts, diagrams and QR codes directly from your AI assistant with a single config file.
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How to replace Google Image Charts with a modern API
Google Image Charts shut down in 2019. This guide shows how to migrate to ChartQuery's JSON API with a full parameter mapping table, before/after examples, and a step-by-step checklist.
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How to use the ChartQuery Playground
A walkthrough of the ChartQuery Playground: build charts, diagrams, barcodes, QR codes and labels visually, preview live, export code in cURL/Python/TypeScript/Go, and share results.
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ChartQuery: one API for charts, diagrams, QR codes, barcodes and labels
A technical overview of ChartQuery's six API endpoints. Charts, diagrams, barcodes, QR codes, label previews, and AI-powered generation from plain English prompts.
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