Containers & Docker

Container & Docker Tools

Dockerfile linters, container registry cost calculators, OCI image layer analyzers, Docker Compose validators, and container security reference tools that run entirely in your browser.

🔒 Browser-only — no data sent ⚡ Zero account required 📦 12 free tools
registry
Container Registry Cost Calculator
Calculate monthly container registry storage and egress costs across Docker Hub, ECR, and DigitalOcean.
standards
OCI Image Spec Reference
Reference guide to the OCI Image Specification — manifests, layers, config, and multi-platform images.
compose
Docker Compose Validator
Validate Docker Compose YAML for syntax errors, depends_on conditions, and secret handling.
security
Container Security Scanner Reference
Reference guide to container security scanners — Trivy, Grype, Snyk Container, and Docker Scout.
dockerfile
Container Base Image Comparison
Compare container base images by size, compatibility, and attack surface for your runtime.
dockerfile
Multi-Stage Build Size Analyzer
Calculate multi-stage Docker build size savings from build vs runtime image sizes.
standards
Container Runtime Reference
Reference guide to container runtimes — containerd, runc, gVisor, Kata Containers, and OCI.
registry
Container Image Tag Strategy Reference
Reference guide to container image tagging strategies — digest pinning, SHA tags, semver, and retention.
dockerfile
Dockerfile Cache Optimizer
Calculate time savings from optimizing Dockerfile layer caching order and cache hit rate.
networking
Container Networking Reference
Reference guide to container networking — bridge, host, overlay networks, CNI, and service discovery.
security
Distroless Container Image Reference
Reference guide to Google distroless base images — static, base, java, and debug variants.
general
Build Cache Sizing Calculator
Size a CI build cache from daily builds, unique layers per build, average layer size, and retention window. Browser-o...