devops and infrastructure tools Tools

Generate Apache HTTP Server VirtualHost configurations for HTTP and HTTPS. Add SSL, proxy pass, and custom headers. Free Apache config generator, no signup required.

Parse any AWS ARN into partition, service, region, account ID, and resource, or build a valid ARN from scratch. Free, browser-based, no signup required.

AWS cron expression validator for EventBridge rules and Scheduler. Explains each field and lists next run times in UTC or any time zone, with DST skips shown.

Generate AWS IAM policy JSON documents online. Add multiple statements with Allow or Deny effects, service actions, and resource ARNs. Free, runs fully in your browser.

CIDR overlap checker that finds conflicting subnets in a list of IPv4 and IPv6 blocks. Spot VPC peering clashes and duplicate ranges before you deploy. Free.

CODEOWNERS tester shows which GitHub code owner reviews each file path and which line decided. Flags invalid owners and unsupported syntax. Free, offline.

Cypress config generator for cypress.config.ts: E2E and component testing, base URL, viewport, video, retries, and env variables. Free, browser-based.

Dependabot.yml generator builds a .github/dependabot.yml with ecosystems, schedules, grouping and ignore rules for automated dependency updates. Free.

Devcontainer.json generator builds a VS Code and Codespaces dev container config with features, forwarded ports, extensions and post-create commands.

DNS zone file validator that checks BIND records for syntax errors, bad TTLs, missing SOA fields and unterminated names. Runs offline. Free.

Generate docker-compose.yml files with multiple services, ports, environment variables, volumes, and named networks. Supports build contexts, depends_on, and restart policies.

Convert docker compose YAML to docker run commands, one per service. Recreates the project network, volumes, ports, env, healthchecks and build steps. Free.

Docker Compose to Kubernetes converter turns docker-compose.yml into Deployment, Service, ConfigMap and PVC manifests you can kubectl apply. Free, runs in your browser.

Docker Compose validator that checks compose.yaml against the Compose spec and finds port clashes, undeclared volumes and depends_on cycles. Free.

Build docker run commands with port mappings, volume mounts, environment variables, restart policies, and resource limits. Generates multi-line shell commands ready to copy. Free, browser-based.

Docker run to compose converter turns any docker run command into a ready docker-compose.yml file, parsing ports, volumes, env vars and flags. Free, no signup.

Generate a production-ready Dockerfile for Node.js, Python, Go, Rust, Java, PHP, and more. Supports multi-stage builds, non-root users, HEALTHCHECK, and environment variables.

Dockerfile linter checks your Dockerfile for best-practice violations and security issues with line-level findings, a score out of 10, and fix hints. Free, browser-based.

Generate a clean .dockerignore file for Node.js, Python, Java, Go, Rust, Next.js, React, and more. Exclude build output, logs, env files, and editor clutter.

GitHub Actions validator that checks workflow YAML for schema errors, retired runners, outdated actions and script injection before you push. Free.

Grok pattern tester for Logstash and Elasticsearch. Match log lines against %{SYNTAX:SEMANTIC} patterns and preview every extracted field. Free, in-browser.

Helm chart generator scaffolds Chart.yaml, values.yaml and templates for Deployment, Service, Ingress and autoscaling, validated and downloadable as a ZIP. Free, no signup.

htaccess redirect generator creates rewrite rules for 301 redirects, HTTPS enforcement, and WWW canonicalization. Copy ready-to-use Apache config instantly.

Htaccess to nginx converter turns Apache rewrite rules, redirects, headers and expires directives into working nginx config, flagging whatever needs a manual review.

Paste HTTP response headers to see effective cache lifetime, whether shared or private caches can store the response, and any conflicting directives. Free.

Analyze an AWS IAM policy for wildcard actions, open resources and missing conditions. Flags least-privilege risks before a SOC 2 review. Free.

IOPS calculator for RAID 0, 1, 5, 6 and 10: enter drives, IOPS per disk and read/write mix to get functional IOPS, MB/s and disks for a target. Free.

JMESPath tester that evaluates expressions against your JSON as you type. Test AWS CLI and Azure CLI --query filters, projections and functions. Free.

jq playground that runs jq filters against your JSON in the browser. Test select, map, group_by and @csv with -r, -c and -s flags, matching jq 1.7.1. Free.

kubectl command generator with 40 recipes: get pods, crash-loop logs, exec, port-forward, rollback, drain. Every flag explained and destructive commands flagged. Free online.

Kubernetes manifest linter checks your K8s YAML for missing resource limits, latest image tags, missing probes, and root containers. Free, instant, client-side.

Kubernetes pod calculator that works out how many pods fit per node from CPU and memory requests, with system reserved overhead. Free, no signup.

Generate Kubernetes Deployment and Service YAML manifests from a simple form. Supports resource limits, health probes, env vars, and multi-replica configs. Free, no signup.

LCOV viewer that reads an lcov.info file and shows line, function and branch coverage per file, worst files first, with uncovered line ranges. Free.

Generate Makefiles for Node.js, Python, Go, Rust, and Docker projects. Configurable targets: install, build, test, lint, clean, run, and docker. Free online tool.

Monorepo config generator for Turborepo, Nx and pnpm workspaces. Produces the workspace file, pipeline config and package layout in one step. Free.

MTU and MSS calculator for WireGuard, IPsec, VXLAN, GRE and PPPoE: stack tunnel layers to get the inner MTU, TCP MSS and clamp commands. Free.

Generate NGINX server configs for static sites, reverse proxies, and load balancers. Includes SSL/TLS, Gzip compression, rate limiting, CORS, and caching options.

Nginx location tester matches any request URI against your location blocks and shows which one nginx picks, and why, using real precedence rules.

Analyze nginx and Apache access logs online. See top IPs, endpoints, status codes, and user agents with visual charts. Paste log lines directly - no upload or server access needed.

Generate complete LICENSE files for your open-source projects. Choose from MIT, Apache 2.0, GPL 3.0, and 10+ licenses - with your name and year auto-filled from GitHub's official license templates.

OpenAPI spec generator: build endpoints, methods, parameters, and response codes in a form, then export valid OpenAPI 3.0 YAML or JSON. Free, no signup.

OTel config generator builds a valid OpenTelemetry Collector YAML from the receivers, processors and exporters you pick. Copy, download, deploy. Free.

Generate playwright.config.ts for end-to-end testing. Configure browsers, base URL, retries, workers, reporters, and trace on failure. Free, browser-based.

Prometheus metrics parser that turns exposition format into structured JSON. Reads HELP, TYPE, labels, histograms and OpenMetrics. Free, in-browser.

RAID capacity calculator for RAID 0, 1, 5, 6 and 10: enter disk count and size to get usable space, fault tolerance and write penalty. Free.

S3 bucket policy generator that builds AWS bucket policy JSON for public read, CloudFront OAC, cross-account access and TLS-only rules. Free, no signup.

Syslog parser that decodes RFC 5424 and RFC 3164 lines into facility, severity, timestamp, hostname, app name and structured data. Free, in-browser.

Generate systemd .service unit files for Linux. Configure service name, user, exec command, restart policy, and environment variables. Free, runs entirely in your browser.

Systemd timer generator and OnCalendar tester. Build a .timer unit, see the normalized form and next elapse times like systemd-analyze calendar, in any zone.

Open .tar.gz, .tgz and .tar files online and browse every file inside. Preview or extract single files, convert to ZIP and flag tar-slip paths. No upload.

TCP throughput calculator: enter bandwidth, RTT and window size to get the bandwidth-delay product, max throughput, loss limit and Linux sysctl tuning. Free.

Terraform state viewer parses terraform.tfstate into a searchable resource tree with providers, modules, outputs and attribute counts. Free, in-browser.

Generate terraform.tfvars files from your variables.tf input. Parses variable blocks, infers types, and fills defaults or type-safe placeholders. Free, browser-based.

Generate WireGuard server and client configs with fresh key pairs, preshared keys and QR codes for mobile. Full or split tunnel. Keys stay in your browser.

Validate YAML syntax instantly with detailed error messages and line numbers. Check Kubernetes manifests, Docker Compose files, CI/CD configs, and any YAML document for correctness.