What is Shields.io?
Shields.io provides free, open-source SVG status badges, supports hundreds of services, simple URL or JSON API, custom labels, colors and logos, self-hostable.
Shields.io
Shields.io turns project metadata into clean, consistent SVG badges you can drop into READMEs, docs, and dashboards. Think: build status, test coverage, npm version, license, downloads—plus anything you can fetch over HTTP.
What it does
It standardizes the chaos of vendor badges. One URL gives you a label, value, color, and style that actually match. Official integrations cover GitHub, GitLab, npm, Docker, and more; dynamic badges pull from JSON, XML, or plain text so you can surface custom metrics without writing a widget.
How it works
Compose a URL, tweak query params (label, color, logo, style), and Shields renders an SVG on demand, with caching to keep things snappy. There’s an API for dynamic endpoints, support for custom logos, and a self-hosted server if you’d rather not depend on the public service.
Why you’d use it—and why you might not
Badges broadcast health at a glance and replace ugly tables. But overdo it and your README becomes NASCAR. Upstream outages mean public red circles. Useful signal—until it’s visual noise.
What features and use cases does Shields.io offer?
- Generate dynamic status badges for READMEs, docs, and dashboards
- Integrations with many services (GitHub, npm, Docker, CI, coverage, downloads)
- Extensive customization: labels, messages, colors, logos, and styles (flat, plastic, social)
- Dynamic data badges via JSON endpoints or query parameters
- Embeddable SVGs for Markdown/HTML with simple copyable URLs
- Caching and CDN-backed delivery for fast, reliable badge rendering
- Open-source with a public API and option to self-host
Prices
| Category | Description | Price |
|---|---|---|
| Hosted public service | Public badges provided at shields.io | free |
Prices may vary by region. We do not guarantee the accuracy of prices. For current information see: https://shields.io
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