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

# Introduction

> Network, IP, web, and developer diagnostics in one browser-first toolbox.

# Introduction

buffer.lol is a diagnostics toolbox for quick network, IP, web, and developer checks. Use it to inspect domains, endpoints, certificates, ports, public IP details, browser signals, and everyday encoded data without opening a full monitoring suite.

## What buffer.lol checks

<CardGroup cols={2}>
  <Card title="Network diagnostics" icon="network">
    Inspect DNS records, HTTP headers, TLS certificates, redirects, uptime, ports, robots.txt, and sitemap hints.
  </Card>

  <Card title="IP intelligence" icon="map-pin">
    Detect your public IP and look up geolocation, RDAP network data, and ASN ownership.
  </Card>

  <Card title="Browser utilities" icon="code">
    Format JSON, parse URLs, decode JWTs, generate hashes and UUIDs, convert timestamps, and test regex patterns locally.
  </Card>

  <Card title="Worker-backed checks" icon="server">
    Ping, packet-loss sampling, and traceroute are planned for a separate worker because they need ICMP or traceroute privileges.
  </Card>
</CardGroup>

## Base URL

```text theme={null}
Production  https://buffer.lol
Local dev   http://localhost:3000
```

## Quick links

<CardGroup cols={2}>
  <Card title="Quickstart" icon="rocket" href="/quickstart">
    Run your first check and interpret the result.
  </Card>

  <Card title="API Reference" icon="code" href="/api-reference/overview">
    Call the diagnostics API used by server-side tools.
  </Card>
</CardGroup>