arjns / tools

Free web tools

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

One focused tool, one publishing task

Each tool stays small so it works quickly while writing, auditing, or preparing pages.

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

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

Compare page and canonical URLs to catch duplicate, cross-domain, and protocol issues.

Check redirect hops, loops, insecure targets, and unfinished redirect chains.

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