Professional Charts as Simple URLs
Create stunning chart visualizations with just a URL. Use short URLs or signed URLs anywhere—emails, Slack, Notion, or any platform that supports images. Zero frontend code, zero hassle.
Embed Charts Anywhere
Use short URLs or signed URLs as simple img tags in emails, blogs, Slack, Notion, and more
In Email Campaigns
Embed charts using short URLs (clean & simple) or signed URLs (with parameters). Works with all major email clients.
<!-- Using short URL --><imgsrc="https://api.chartone.dev/render/abc123"alt="Sales Chart"width="600"/>// Free users: 500 short URLs// Paid users: unlimited
Compatible with Gmail, Outlook, Apple Mail, and more
In Blogs & Websites
Use short URLs in markdown or HTML. Perfect for GitHub README, documentation, or any static site.
<!-- Markdown (short URL) --><!-- HTML (short URL) --><imgsrc="https://api.chartone.dev/render/abc123"alt="Sales Chart"loading="lazy"/>
Works in GitHub README, Notion, Medium, and more
Everything You Need for Data Visualization
Powerful features designed for developers, marketers, and data teams.
Lightning Fast
Generate charts in milliseconds. Optimized for performance with smart caching and CDN delivery.
20+ Beautiful Themes
Professional themes including Modern, Dark, Financial, Scientific, Vibrant, Ocean, Neon, and 13 more. Custom colors supported.
16+ Chart Types
Bar, line, pie, doughnut, area, radar, scatter, gauge, funnel, stacked, grouped, and more. All chart types included.
Perfect for Emails
Embed dynamic charts in HTML emails. Works with all major email clients and platforms.
Secure by Default
HTTPS encryption, signed URLs, and secure API keys. Your data stays protected.
Short URLs & Signed URLs
Get 500 free short URLs and unlimited signed URLs. No API key exposed. Perfect for emails, Slack, Notion, and more.
Custom Palette Generator
Generate harmonious color palettes from any base color. Perfect for brand-consistent charts.
PNG, JPEG & SVG
Export in multiple formats. Scalable vectors for print, compressed images for web and email.
Beautiful Themes for Every Brand
Choose from 20+ professionally designed themes or create custom palettes that match your brand perfectly.
Modern
Clean & Professional
Dark
High Contrast Design
Vibrant
Bold & Energetic
Ocean
Cool & Calming
Neon
Electric & Dynamic
Financial
Corporate & Trustworthy
Pastel
Soft & Elegant
Scientific
Academic & Precise
Simple, Transparent Pricing
Better value than QuickChart. 120× more charts than ChartJuice. Same price.
No signup needed
- 20 charts/day
- Watermark
- 2 basic themes
- PNG only
No watermark!
- 2,000/mo
- No watermark
- 5 themes
- PNG format
- Signed URLs
- 500 short URLs (7d)
Billed annually ($190/yr)
- 50,000/mo
- 10 premium themes
- PNG, JPEG, SVG
- Signed URLs
- Unlimited short URLs (180d)
Billed annually ($390/yr)
- 150,000 charts/mo
- All 20+ chart types
- All 20 themes
- PNG, JPEG, SVG
- Unlimited short URLs (180d)
Billed annually ($790/yr)
- 350,000 charts/mo
- All features
- Priority support
- Custom palettes
- 99.9% SLA
Compare All Features
Choose the plan that's right for you
| Feature | Anonymous | Free Account | Starter ($190/yr) | Growth ($390/yr) | Pro ($790/yr) |
|---|---|---|---|---|---|
| API Key Required | |||||
| Monthly Limit | ~600 | 2,000 | 50,000 | 150,000 | 350,000 |
| Watermark | |||||
| Chart Types | 8 basic | 8 basic | 8 basic | 20+ advanced | 20+ advanced |
| Themes Available | 2 basic | 5 basic | 10 premium | All 20 | All 20 + custom |
| Output Formats | PNG | PNG | PNG, JPEG | PNG, JPEG, SVG | PNG, JPEG, SVG |
| Max Chart Size | 800×600 | 800×600 | 2000×2000 | 4000×4000 | 4000×4000 |
| Signed URLs | |||||
| Short URLs | 500 (7d) | Unlimited (180d) | Unlimited (180d) | Unlimited (180d) | |
| Priority Support |
Ready to Create Beautiful Charts?
Join thousands of developers who trust ChartOne for their data visualization needs. Start free today.
No credit card required • 20 charts/day free • Upgrade anytime