DevOps & CloudDevOps & Cloud category page for tools

A visual UI to build and validate Cron job schedules (e.g., `* * * * *`).

Visually calculate UNIX file permissions (e.g., 755, 644) from checkboxes and output the numeric/symbolic code.

Create correct 301 and 302 redirect rules for Apache's `.htaccess` file.

Generate optimized `.gitignore` files for various languages and frameworks (Node, Python, Next.js).

Calculate IP address ranges and subnets from a CIDR block.

Extract browser, OS, and device information from a raw User-Agent string.

Quick reference guide for HTTP status codes with descriptions and categories.

Look up MIME types for common file extensions with searchable reference.

Reference guide for common network ports with service names and protocols.

Convert file sizes between bytes, KB, MB, GB, and TB.

Create .env files with environment variables and comments.

Parse and analyze HTTP request/response headers with category labels.