NitroBuilds tools
Free developer tools
Practical utilities for developers shipping apps, APIs, infrastructure, and technical documentation.
JSON Escape Tool
Escape and unescape JSON string content for API payloads, logs, configs, and tests.
SSL Certificate Checker
Check expiration, issuer, hostname coverage, and TLS setup warnings.
Regex Tester
Test and debug regular expression patterns with examples.
Cron Expression Builder
Build and explain cron schedules for recurring jobs.
API Documentation Template Generator
Create clear starter docs for endpoints and response shapes.
Technical Specification Template Generator
Turn implementation notes into a structured technical spec.
Dockerfile Linter
Review Dockerfiles for common security and build issues.
Kubernetes Deployment YAML Generator
Generate starter Kubernetes deployment manifests.
DORA Metrics Calculator
Estimate deployment frequency, lead time, MTTR, and failure rate.