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Image-Charts
API for generating static chart images embedded in emails and reports.
What it does
Generates static chart image URLs via standard HTTP GET and POST requests. Supports Chart.js configurations, pie, line, bar, sparkline, radar, and QR code graphics. Delivers instant image rendering without requiring client-side JavaScript execution. Integrates via native SDKs for Node.js, Python, PHP, Ruby, Java, and C#.
Why it works
Simple URL-based configuration removes complex server-side chart rendering overhead. Direct URL embedding compatibility works inside email clients and PDF generation engines. Global multi-datacenter deployment ensures low latency and high availability for API requests. Flexible pricing tier includes generous usage tiers alongside enterprise on-premise deployment.
Category: Utilities & System Tools
Team Size: 1 or 2-10
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As of 2026
Utilities & System Tools
Revenue: $100k-$1M ARR
API for generating static chart images embedded in emails and reports.
Overview
Image-Charts is an automated image generation service that creates static chart images via simple HTTP requests. Designed as a drop-in alternative following the deprecation of Google Image Charts, the platform converts URL parameters directly into visual charts like bar, pie, and line graphs. Developers use Image-Charts to dynamically embed rendered data visualizations into email newsletters, PDF invoices, chat bots, and automated reports without client-side JavaScript rendering.
Funding status: Bootstrapped
Revenue source: Subscriptions
Customer type: B2B
Pricing: Freemium
Tech stack: Node.js, JavaScript, Docker, AWS, Cloudflare
Platform: Web
Integrations: Zapier, Make, Node.js, Python, PHP, Java, Ruby, C#
Founder story
Image-Charts was founded in 2016 by French engineer François-Guillaume Ribreau. After Google deprecated its widely used Image Charts API, Ribreau created a drop-in replacement to solve automated chart rendering for emails and notifications. Built as a side project, Image-Charts scaled into a global static chart API serving thousands of software development teams.
What it does
- Generates static chart image URLs via standard HTTP GET and POST requests
- Supports Chart.js configurations, pie, line, bar, sparkline, radar, and QR code graphics
- Delivers instant image rendering without requiring client-side JavaScript execution
- Integrates via native SDKs for Node.js, Python, PHP, Ruby, Java, and C#.
Who it's for
- Software Engineers & Developers
- Email Marketers & Automated Campaign Managers
- Data Analysts & Automated Reporting Teams
- Chatbot & Workflow Automation Builders
Why it works
- Simple URL-based configuration removes complex server-side chart rendering overhead
- Direct URL embedding compatibility works inside email clients and PDF generation engines
- Global multi-datacenter deployment ensures low latency and high availability for API requests
- Flexible pricing tier includes generous usage tiers alongside enterprise on-premise deployment.
Growth strategies
- SEO- driven landing pages capturing former Google Image Charts search demand
- Developer ecosystem acquisition through official SDKs on NPM, PyPI, and Packagist
- No- code platform integrations with automation providers like Zapier and Make
- Product- led freemium tier converting developers directly through documentation
Alternatives
Comparison overview
- Image-Charts specializes in static server-rendered image URLs that embed directly in email templates and PDFs.
- Unlike interactive charting frameworks like Chart.js or Highcharts, Image-Charts delivers static PNG and vector images requiring zero client-side JavaScript execution.