About Seagit Tools
What Seagit Tools is
Seagit Tools is a free collection of 241+ browser-based utilities for developers: format and validate JSON, YAML and XML; convert between data formats; generate typed models and schemas; encode and decode Base64, JWTs and URLs; run code in more than a dozen languages; convert time zones; and more. Every tool is designed to do one job well, load fast, and get out of your way.
Who builds it
Seagit Tools is built and maintained by the team behind Seagit, a platform for Kubernetes cluster management and CI/CD orchestration. We rely on small, fast developer utilities every day while building infrastructure software, and we wanted them in one place, free, and without the friction of signups or upload limits. Seagit Tools is the result — the same tools we use, shared publicly.
Privacy-first by design
The tools run entirely in your browser. When you paste JSON, write code, or convert a file, that content is processed locally in JavaScript and is never uploaded to our servers. There is no account to create and nothing to store. Code execution features run in your browser (and, for some languages, a local web worker), so your inputs stay on your device. See our Privacy Policy for the limited data handling around cookies and advertising.
How it stays free
These tools are free to use. To cover hosting and continued development, some pages display advertising through Google AdSense. Advertising is what keeps the tools free and open to everyone, with no paywalls or usage quotas.
Get in touch
Found a bug, want a tool added, or have feedback? We'd love to hear it — visit our Contact page.