AdSense Sandbox

Check what AdSense ads would display on any URL.

Analytics Globe

View a WebGL-based 3D globe of visitors based on your Google Analytics data.

Base64 Encoder/Decoder

Encode or decode any text into base64 MIME type.

CSS Compressor

Allows you to compress/minify CSS files.

Diff Comparison

Allows you to compare two versions of text to determine what the differences are.

DNS Lookup

A tool that allows you to quickly check DNS records for any domain/host.

DNS Zone Transfer

Check the security of your DNS servers (check if your DNS zone files can be transferred).

EXIF Reader

Read EXIF meta data from any JPEG or TIFF image.

Geolocation

Allows you to geographically locate any IP address or hostname. Also shows your own IP address.

Geo Visitors

Where in the world are people that are visiting your site/blog?

HTTP Headers

View HTTP response headers for any URL.

Hit Counter

Simple to use web hit counter.

JavaScript Compressor

Allows you to compress/minify/obfuscate JavaScript code.

PageRank

A simple tool that lets you quickly view the Google PageRank for any URL.

Phone Home

A mechanism to locate lost or stolen computers (or just spy on who's using your computer when you are away).

Site Search Engine

Simple way to add a nice search engine to your site.

Search Engine Position Tracker

Keyword position tool for Google, Yahoo and Bing. Can also track historical changes to PageRank, links and indexed pages.

URL Encoder/Decoder

Encode or decode any text into a URL-safe string.

WHOIS Query

Tool that lets you perform a whois query on any domain or IP address.