DevOps

Operational tooling: YAML linting, .env validation, Dockerfile linting, common config sanity checks.

All DevOps

• YAML Validator Validate and lint YAML against the spec. Catches duplicate keys and tab errors.
• CIDR / Subnet Calculator Parse CIDR notation, show network/broadcast/host range, subnet mask, IP count.
• HTTP Status Code Lookup Look up any HTTP status code with full meaning, category, and when to use it.
• Dockerfile Linter Lint a Dockerfile for common mistakes: missing version pins, root user, cache busters.
• .env Validator & Diff Validate .env files. Diff two .envs to spot drift between environments.
• Kubernetes Manifest Validator Validate K8s YAML manifests against the schema. Catches typos and missing fields.
• .editorconfig Generator Pick conventions and download a ready-to-commit .editorconfig file.
• .gitignore Generator Generate .gitignore from language/framework/editor templates. Combine multiple.
• .htaccess Generator Build .htaccess with redirects, HTTPS forcing, security headers, caching, gzip.
• nginx Config Generator Build common nginx blocks: SSL, reverse proxy, static site, security headers.
• .prettierrc Generator Build a .prettierrc with print width, tab width, semis, quotes, trailing commas.
• tsconfig.json Generator Build a strict, modern tsconfig.json for Node, bundlers, libraries, or Next.js.
• Webhook Request Builder Build a curl/fetch/Python webhook test request. Sign with HMAC-SHA256.
• HTTP Headers Explainer Paste a response header set; get explanation of each header and its security implications.
• HCL to JSON Converter Convert Terraform HCL2 to JSON for tooling or back-conversion. Browser-only.
• YAML Anchor / Alias Resolver Expand all YAML &anchors and *aliases to produce a fully de-aliased document.
• HTTP Cache-Control Decoder Decode and explain Cache-Control, Expires, ETag, and other HTTP cache headers.
• MAC Address Tools (Format, Vendor Lookup) Format / validate / normalise MAC addresses. Detect multicast, locally-administered. OUI vendor lookup.
• IP Address Tools (IPv4 / IPv6 Inspector) Parse, validate, expand, classify IPv4 and IPv6 addresses. Private / public / reserved detection.
• HTTP Request Builder (cURL, fetch, Python) Visually construct an HTTP request. Outputs cURL, fetch (JS), requests (Python), httpie commands.
• .env File Validator (Strict) Validate a .env file for syntax errors, duplicate keys, unsafe characters, missing quotes around special values.
• Lighthouse Score Interpreter Paste a Lighthouse JSON report. Get plain-English explanations of each metric and how to improve scores.
• Core Web Vitals Explainer (LCP, INP, CLS) Visual reference for Core Web Vitals thresholds. LCP, INP, CLS, FCP, TTFB explained with good / needs improvement / poor cutoffs.
• OAuth 2.0 Flow Visualizer (Auth Code + PKCE) Step-by-step OAuth 2.0 Authorization Code + PKCE flow visualizer. Build authorization URLs, parse callback redirects.
• Cron Next Runs (Show Next N Executions) Given a cron expression, list the next N runs in your timezone. Validates 5- and 6-field cron, including @daily / @hourly.
• GraphQL Introspection Viewer Paste a GraphQL introspection JSON response. Render the full schema as a navigable tree with type / field / argument details.