Free Online DevOps Tools for Developers
Server configs, Dockerfile generators, .htaccess rules, cron expressions, chmod calculators, robots.txt, and API testing — browser-based DevOps utilities with no account required.
Cron Expression Builder
Build cron expressions visually or enter them manually. See next 5 run times, human-readable schedule descriptions, and validation. Cron expression generator, builder, and scheduler. Free, browser-based.
Chmod Calculator
Calculate Unix file permissions visually. Toggle checkboxes or enter numeric/symbolic values. Get ready chmod commands. Free, browser-based.
Robots.txt Generator
Generate a robots.txt file for your website. Presets for WordPress, Laravel, and standard setups. Add rules, sitemap, and crawl-delay. Download or copy.
.htaccess Redirect Generator
Generate .htaccess rewrite rules and redirect rules instantly. 301/302 redirects, RewriteRule, RewriteCond, force HTTPS, www redirect, regex patterns. Free, browser-based.
.gitignore Generator
Generate a production-ready .gitignore file for your stack in one click. Supports 35+ technologies: Node.js, Python, PHP, Laravel, React, Vue, Angular, Next.js, Docker, Terraform, and more. 100% browser-based.
Server Config Generator
Generate production-ready Nginx server blocks or Apache VirtualHost configs. Supports static sites, PHP-FPM (Laravel, WordPress, Symfony), reverse proxy, and Node.js. Options for SSL/Let's Encrypt, HTTP/2, gzip, mod_deflate, security headers, caching, rate limiting, and WebSocket.
Dockerfile & Docker Compose Generator
Generate production-ready Dockerfiles and docker-compose.yml files for any stack. Supports Node.js, Next.js, PHP-FPM, Laravel, Python, Django, Go, and static Nginx. Options for multi-stage builds, non-root user, healthchecks, and services including MySQL, PostgreSQL, Redis, Nginx proxy, and Mailpit.
API Request Builder
Build and send HTTP API requests directly from your browser. Supports GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS. Add query params, custom headers, Bearer/Basic/API key auth, JSON or form body. Inspect response status, headers, and body. Generates code snippets for fetch, axios, cURL, PHP, and Python.
DevOps tooling in the browser
DevOps tasks involve a lot of configuration file writing — server blocks, Dockerfiles, Compose files, cron expressions, permission strings, and rewrite rules. The syntax for each is well-documented but requires memorisation or documentation lookups to get right. Browser-based generators replace the lookup with a form: configure what you need through a UI, get production-ready output, copy it to your server.
Server configuration
The Server Config Generator produces complete Nginx server blocks or Apache VirtualHost configs through a wizard. Choose your server type (Nginx or Apache), application type (static site, PHP-FPM, reverse proxy, or Node.js), domain, and optional features including SSL with Let's Encrypt, HTTP/2, gzip compression, security headers (HSTS, X-Frame-Options, CSP), static asset caching, rate limiting, and WebSocket support. PHP-FPM mode includes framework presets for Laravel, WordPress, and Symfony. The output is a complete, deployable configuration file with the correct syntax for your chosen server. A deploy steps panel shows the exact commands to enable the site.
Docker and containers
The Dockerfile and Docker Compose Generator supports eight application stacks: Node.js, Next.js, PHP-FPM, Laravel, Python, Django, Go, and static Nginx. Configure your stack, version, port, app name, and options including multi-stage builds, non-root user, and HEALTHCHECK instructions. In Compose mode, add services from a checklist — MySQL (with version selection), PostgreSQL, Redis, Nginx reverse proxy, and Mailpit for local email testing. Each service includes a healthcheck so dependent containers wait until dependencies are ready. Generate both the Dockerfile and docker-compose.yml simultaneously and download each separately.
Project file generators
The .gitignore Generator covers 35+ technologies including Node.js, Python, PHP, Java, Go, Rust, Ruby, React, Vue, Angular, Next.js, Laravel, Django, Rails, Docker, Terraform, VS Code, JetBrains, and all major operating systems. Select your stack, filter by name if the list is long, and download the combined file. The .htaccess Generator builds Apache rewrite and security rules through a checklist, and the robots.txt Generator configures crawler access for any user agent combination.
Unix permissions and scheduling
The chmod Calculator visualises Unix file permissions with a checkbox grid for owner, group, and others across read, write, and execute. Toggle the checkboxes and the numeric (0755) and symbolic (rwxr-xr-x) notation update instantly. Common presets cover web files, private files, directories, and read-only. The Cron Expression Builder constructs cron schedules through a form, supporting both standard 5-field cron and 6-field cron with seconds for Spring Boot, Quartz, and AWS EventBridge.
API testing
The API Request Builder fires HTTP requests directly from your browser. Support for GET, POST, PUT, PATCH, DELETE, HEAD, and OPTIONS with query parameters, custom headers, Bearer and Basic auth, API key headers, and JSON, form, text, or XML bodies. Inspect the response status, headers, and body in a dedicated panel. A code snippet tab generates ready-to-paste code in fetch, axios, cURL, PHP, or Python based on your current request configuration. Requests go directly from your browser to the target API — no proxy, no logging.