DevOps & Release Tools
Free, privacy-first tools for tracking releases, auditing dependencies, and managing upgrades. 100% client-side — your code and config files never leave the browser.
Paste & Scan
Paste your config files and get instant health reports. Dependency audits, deprecation checks, security linting, and version freshness scores.
Tech Stack Health Scorecard
Select your technologies and get an instant A–F health grade with live badges.
Dependency EOL Scanner
Paste package.json, requirements.txt, go.mod, or Cargo.toml for end-of-life analysis.
Dependency Vulnerability Scanner
Scan dependencies for known vulnerabilities with severity, CVSS hints, and fix guidance.
K8s Deprecation Checker
Paste Kubernetes YAML manifests to find deprecated and removed APIs before upgrading.
Dockerfile Security Linter
Paste a Dockerfile and get a 16-rule security and best practices audit with fix suggestions.
Container Image Size Optimizer
Analyze Dockerfiles for layer bloat, cache misses, and multi-stage optimization opportunities.
GitHub Actions Workflow Optimizer
Paste workflow YAML and get performance, security, and reliability improvements with patch snippets.
SBOM Health Analyzer
Upload CycloneDX or SPDX JSON to get component health grades and vulnerability flags.
Terraform Provider Checker
Paste .terraform.lock.hcl to audit provider versions and find outdated dependencies.
Go Module Health Check
Paste go.mod to check Go version support, dependency health, and archived modules.
Helm Chart Checker
Paste Chart.yaml to check Kubernetes version compatibility, dependencies, and best practices.
Docker Compose Checker
Paste docker-compose.yml to audit service images, detect :latest tags, and check version health.
.env Security Scanner
Paste a .env file to detect exposed credentials, API keys, and security risks by key name analysis.
Planning & Decision
Answer questions about your project and get tailored recommendations for upgrades, versions, and migration timelines.
Upgrade Path Planner
Select technology and versions to get a step-by-step upgrade plan with breaking changes and effort ratings.
Which Version Should I Use?
Answer 4 questions about your project and get a tailored version recommendation with confidence scoring.
Is My Stack Supported? Report Card
Generate a shareable support status card for your stack with EOL and days-left signals.
Migration Effort Estimator
Estimate migration effort, timeline, and risk with a guided questionnaire and phase breakdown.
Container Base Image Picker
Select language and preferences to get the optimal Docker base image with multi-stage Dockerfiles.
README Badge Generator
Select your stack technologies and generate copy-ready Markdown, HTML, or RST badge snippets for your README.
Repository Health Report
Analyse any public GitHub repository for README, licence, CI/CD, security policy, activity, and community health.
Release Feed Builder
Select your tech stack and generate an OPML file to import into any RSS reader for release notifications.
CI Pipeline Upgrade Calculator
Estimate migration hours, risk level, and phase breakdown for CI/CD pipeline version upgrades.
Kubernetes Cost Estimator
Compare EKS, GKE, and AKS monthly costs with node sizing, add-ons, and networking breakdown.
Compare & Analyze
Compare configurations, versions, release notes, and compatibility matrices side by side.
Configuration Drift Detector
Compare two config files (JSON, YAML, .env, TOML) and see added, removed, and changed keys.
Release Notes Diff
Paste release notes from two versions to get categorized breaking changes, features, and fixes.
SemVer Compatibility Checker
Compare versions and evaluate constraint expressions like ^2.3.0 or ~1.5 with visual breakdowns.
PostgreSQL Extension Matrix
Check extension compatibility across PostgreSQL versions 13–17 with upgrade notes.
Dashboards & Monitoring
Visual dashboards for tracking CVEs, EOL timelines, and security posture across your stack.
EOL Timeline Visualizer
Select technologies and see a visual timeline of release and end-of-life dates at a glance.
CVE Dashboard
Select technologies and see aggregated CVE counts, health grades, and EOL status in one view.
Security Header Analyzer
Paste HTTP response headers and get an A–F security grade with 15 header checks and fix guidance.
SSL/TLS Certificate Analyzer
Paste a PEM certificate to check expiry, algorithm, key strength, SANs, and get an A-F security grade.
DNS Record Auditor
Audit any domain DNS records, email security (SPF, DMARC, DKIM), DNSSEC, and CAA policies with an A-F grade.
Technology Detector
Paste HTML source or HTTP headers to detect frameworks, CMS, analytics, CDNs, and security headers.
Kubernetes & Infrastructure
Specialized tools for Kubernetes upgrades, RBAC policies, resource planning, and infrastructure configuration.
K8s Upgrade Simulator
Visualize Kubernetes cluster upgrades with interactive timeline, risk assessment, and step-by-step planning.
K8s RBAC Policy Generator
Generate Kubernetes RBAC roles, bindings, and service accounts with least-privilege best practices.
K8s Resource Calculator
Calculate optimal CPU/memory requests and limits for your Kubernetes workloads with cost estimates.
Docker Compose to K8s Converter
Convert Docker Compose files to Kubernetes manifests with best-practice annotations and health checks.
Terraform Provider Matrix
Check Terraform provider compatibility across versions, find deprecated resources, and plan upgrades.
Nginx Config Generator
Generate production-ready Nginx configurations with SSL, caching, rate limiting, and security headers.
SSL/TLS Config Generator
Generate secure TLS configurations for Nginx, Apache, HAProxy, and Caddy with modern cipher suites.
CI/CD Pipeline Cost Calculator
Estimate CI/CD costs across GitHub Actions, GitLab CI, CircleCI, and Jenkins with usage-based pricing.
Database Migration Risk Assessor
Analyze database migration risks, estimate downtime, and get a step-by-step migration plan.
Developer Utilities
Everyday developer utilities: decode JWTs, test regex, convert YAML/JSON, build cron expressions, and more.
JWT Decoder & Inspector
Decode and inspect JWT tokens. View header, payload, claims, expiration, and verify signatures.
Regex Tester & Debugger
Test regular expressions in real-time with match highlighting, group capture, and common pattern library.
YAML ↔ JSON Converter
Convert between YAML and JSON formats instantly with syntax validation and pretty-printing.
Cron Expression Builder
Build and validate cron expressions visually. See next execution times and human-readable descriptions.
CIDR / Subnet Calculator
Calculate subnets, IP ranges, broadcast addresses, and plan network layouts with CIDR notation.
PromQL Query Builder
Build Prometheus queries visually with function reference, metric suggestions, and instant preview.
Git Conflict Helper
Paste git merge conflicts and get side-by-side diffs with smart resolution suggestions.
Docker Tag Explorer
Browse Docker Hub image tags with size, architecture, and OS details. Find the right tag fast.
Package.json Deep Audit
Paste your package.json for a deep audit: outdated deps, license conflicts, size analysis, and security.
API Deprecation Timeline
Track API deprecation dates across major providers. Know when endpoints sunset before they break your code.
CVE Alerting Dashboard
Configure your tech stack, monitor CVEs in real-time with EPSS scores, and set up automated alerts.
Version Health Badges
Dynamic SVG badges showing real-time health grades, EOL status, and CVE counts for 300+ software products. Embed anywhere.
Kubernetes Tools
Dedicated Kubernetes tooling for cluster upgrades, version matrices, and vulnerability tracking.
Kubernetes Tools Hub
All K8s tools in one place — upgrade planners, deprecation checkers, and version matrices.
Upgrade Planner
Plan cluster upgrades with version compatibility checks and step-by-step migration guides.
Cloud Version Matrix
Compare EKS, GKE, and AKS Kubernetes version support side by side.
CVE Dashboard
Track active vulnerabilities across Kubernetes versions with severity breakdowns.
API Deprecation Checker
Check which APIs are deprecated or removed in your target Kubernetes version.
Helm Compatibility Checker
Verify Helm chart compatibility with your target Kubernetes version.
Scan your entire project for EOL dependencies, CVEs, and health issues. One command, A-F grade. npx releaserun check
Browse by Category
Jump straight to the tools you need.
More tools shipping weekly
We're building the most comprehensive free toolkit for developers managing software releases and upgrades. Want a tool we haven't built yet?