> ## Documentation Index
> Fetch the complete documentation index at: https://docs.avrxt.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Small tools. Useful outcomes.

> Browser and network utilities on the main website.

Visit the [toolbox](https://www.avrxt.dev/tools) for the current collection of utilities.

## Using a tool

Choose a tool, enter only the information needed for that task, and read its result and any source information shown with it. Some tools run in the browser; others call the shared API or an upstream service.

## Network results

Network information reflects what the service can observe at request time. VPNs, proxies, cached responses, unavailable upstream services, and rate limits can affect results.

> [!WARNING]
>
> Use network utilities only for systems you own or are authorized to test.

## Individual guides

> [card] [DNS + RDAP](https://docs.avrxt.dev/tools/dns.md)
>
> Read public DNS answers and optional RDAP records with clear explanations of caching and registration limits.

> [card] [Font UI](https://docs.avrxt.dev/tools/fontui.md)
>
> Compare typefaces, preview sample text, and copy styling with the Font UI typography workbench.

> [card] [Keyboard tester](https://docs.avrxt.dev/tools/keytest.md)
>
> Test physical key positions, modifiers, and repeat events in a focused keyboard display with adjustable visual feedback.

> [card] [Mailfy](https://docs.avrxt.dev/tools/mailfy.md)
>
> Inspect an address format and domain mail routing without sending a message or claiming mailbox verification.

> [card] [Port checker](https://docs.avrxt.dev/tools/portcheck.md)
>
> Test one public host and TCP port, then understand open, refused, and timed-out connections.

> [card] [Random quote](https://docs.avrxt.dev/tools/quote.md)
>
> Fetch and copy a short quotation, with practical guidance on attribution, verification, and provider limits.

> [card] [Spotify preview](https://docs.avrxt.dev/tools/spotmp3.md)
>
> Load an official Spotify link in its embedded player and understand playback availability and privacy.

> [card] [What is my IP?](https://docs.avrxt.dev/tools/whatismyip.md)
>
> See the public address observed by the website, with approximate network and location information.


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