Image-Charts
Generate charts, QR codes, and graph images through an API.
Read docs Updated 2026-06-18
What is Image-Charts?
Image-Charts is an API-based service that produces image files representing charts, QR codes, and graphs from input data.
It is useful for developers and applications that need to embed static visual data representations without additional client-side libraries.
What you can build with Image-Charts
Embed live charts in emails
Developers generate PNG chart images via URL and embed them directly in HTML email campaigns or automated reports where interactive libraries won't render.
Add QR codes to invoices and tickets
Teams create on-the-fly QR codes pointing to payment links or event details and include the resulting images in PDF invoices or boarding passes.
Build simple dashboard thumbnails
Backend services produce lightweight graph images for internal admin panels or Slack notifications without loading heavy frontend charting libraries.
Get started with Image-Charts
- 1Open the Image-Charts documentation page
- 2Choose a chart type or QR code endpoint
- 3Build the request URL by adding query parameters for data and styling
- 4Paste the URL into an <img> tag or download the image programmatically
- 5Test the image link in a browser to confirm rendering
Image-Charts: pros & cons
Pros
- +No authentication required
- +Works over HTTPS
- +Simple URL-based integration
- +Supports both charts and QR codes
Cons
- –Limited to static image output
- –Complex styling may require many URL parameters
- –No built-in data storage or persistence
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Frequently asked questions
Image-Charts is an API that turns data into chart, graph, and QR code images via simple HTTPS URLs.
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