Free DevOps Tools Online

Generate web server and security configs, set up email DNS records, lint Dockerfiles, Compose files and Kubernetes manifests, analyze logs and plan capacity and SLAs. Everything runs in your browser, so configs and logs never leave your device.

Web Server Config Generator – Nginx & Apache .htaccess

Generate Nginx server blocks and Apache .htaccess rules for HTTPS redirects, reverse proxies, SPAs, caching, gzip and security headers.

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CSP Header Builder – Content Security Policy Generator

Build a Content-Security-Policy header directive by directive, analyze an existing policy for unsafe settings, and export it for Nginx, Apache or HTML.

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SPF, DKIM & DMARC Record Generator

Generate and check SPF, DKIM and DMARC DNS TXT records for email authentication, including DKIM key pairs. Improve deliverability and stop spoofing.

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Dockerfile Linter – Check Dockerfile Best Practices

Lint a Dockerfile for security and best-practice issues: unpinned base images, running as root, apt cache, ADD vs COPY, layer order and more.

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Docker Compose Validator – docker-compose.yml Checker

Validate docker-compose.yml files: YAML syntax, service keys, ports, volumes, depends_on, networks and common mistakes, with clear line-level errors.

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Kubernetes YAML Linter – Validate K8s Manifests

Lint Kubernetes manifests for errors and best practices: missing resource limits, probes, latest tags, privileged containers and label selector mismatches.

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Helm Values Tool – Diff, Merge & Convert values.yaml

Compare and merge Helm values.yaml files the way Helm does, and convert values to --set flags or back. Spot overridden and missing keys.

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Log Analyzer – Parse Access Logs & JSON Logs

Parse Nginx/Apache access logs, JSON logs and plain application logs. Filter by level, status or text and see top paths, IPs, status codes and errors.

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SLA & Uptime Calculator – Allowed Downtime

Convert an SLA percentage such as 99.9% into allowed downtime per day, month and year, combine dependent services and track error budgets.

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Throughput Estimator – RPS, Bandwidth & Capacity

Estimate requests per second, peak load, bandwidth and the number of servers or workers you need from users, traffic patterns and latency.

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Conventional Commit & Changelog Generator

Write Conventional Commits messages with a guided builder and linter, and turn a commit list into a grouped CHANGELOG.md with a suggested semver bump.

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