FREE ONLINE TOOLS
🔧 Free DevOps Tools
Browse 10 free devops tools on FastTool. All tools run in your browser with no signup required.
About Our DevOps Tools
Infrastructure and deployment tasks demand precision. FastTool's free DevOps tools help you generate configuration files, validate YAML and TOML, encode secrets, calculate checksums, and format shell commands. Everything runs client-side so your credentials, tokens, and infrastructure details never leave your machine. Whether you are writing Dockerfiles, configuring CI/CD pipelines, or debugging server settings, these tools provide quick validation and formatting without installing CLI utilities. They are built for the engineers who need a reliable browser tool in the middle of a deployment.
All DevOps Tools (10)
Cron Expression Builder
Build cron expressions visually and see plain-English descriptions.
.htaccess Generator
Generate Apache .htaccess rules for redirects and security.
Chmod Calculator
Calculate Unix file permissions in octal and symbolic.
Docker Compose Generator
Generate docker-compose.yml files visually.
Crontab Guru
Explain cron expressions in plain English with next 5 run times.
IP Subnet Calculator
Calculate subnet mask, broadcast address, and host range from CIDR notation.
Chmod Octal Calculator
Visual chmod calculator with octal and symbolic output.
Docker Run to Compose Converter
Convert any docker run command to a ready-to-use docker-compose.yml — paste the command and instantly get ports, volumes, env vars, restart policy, and networks mapped.
HTTP Security Headers Generator
Generate a complete set of HTTP security headers — choose Basic, Standard, or Strict level and get HSTS, CSP, X-Frame-Options, Referrer-Policy, Permissions-Policy, and Cross-Origin headers with an Nginx snippet.
GitHub Actions Generator
Generate GitHub Actions CI/CD workflow YAML files without memorizing syntax. Choose your trigger, runner OS, language, and steps (install, test, build, deploy) to get a ready-to-use .github/workflows/ file for your repository.