Free Webmaster Tools

• 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.