10 Tools

Network & Sysadmin

Free online network and system administration tools. Generate cron expressions, chmod permissions, htaccess rules, and more.

Sysadmin

Cron Expression Generator

Generate cron schedule expressions easily.

Chmod Calculator

Calculate Linux/Unix chmod file permissions (e.g., 755, 644).

SSH Key Generator (Mock)

Generate mock RSA SSH keys for testing.

Network

Curl Command Generator

Build curl commands with headers, data, and methods.

MAC Address Generator

Generate random MAC addresses for testing.

IPv4 to IPv6 Converter

Convert IPv4 addresses to IPv6 mapped addresses.

User Agent Parser

Parse User-Agent strings to extract browser and OS info.

Web

URL Slug Generator

Convert text into SEO-friendly URL slugs.

.htaccess Generator

Generate common .htaccess redirects and rules.

MIME Type Checker

Find the MIME type for common file extensions.

Frequently Asked Questions

Do these tools run on a server?

No, all calculations and generations are performed directly in your browser for maximum privacy and speed.