arjns / tools

Free web tools

Small utilities for developers, SEO work, performance checks, and practical traffic growth. No sign-up required.

Free · No account · Open to all

Popular SEO utilities

One focused tool, one publishing task

Each tool is kept small so it works quickly on desktop and mobile while writing or auditing pages.

Campaign URL Builder

Add consistent UTM parameters to campaign links and copy a ready-to-use URL.

Meta Tag Preview Tool

Preview title, description, URL shape, and snippet length before publishing a page.

Robots.txt Generator

Generate clean user-agent, allow, disallow, and sitemap rules for crawler access.