Basic desktop tool
The Total Validator Tool is a convenient desktop version of the online Total Validator service. Like the online version it can perform five types of validation:
- True HTML validation against the W3C Markup Specifications or ISO/IEC definition using the published DTDs (2.0, 3.2, 4.0, 4.01, ISO/IEC, XHTML 1.0 and 1.1)
- Accessibility validation against the W3C WAI Accessibility Guidelines and US Section 508 Standard
- A spell checker that checks the content of your pages against American, British, French, Italian, German or Spanish dictionaries
- A broken links validator that checks for broken hypertext links
- Screenshots in 32 different browsers on Windows, Linux and OS/X (Pro tool only)

Other advantages of the desktop tool are as follows:
- Validate local pages, intranets, or other hidden pages
- Fast response and local results
- May be launched from the Firefox extension for one click validation
- Select which browser identification to use when checking websites
Pre-requisites
The recommended (but not minimum) system requirements are:
- 1Ghz Pentium IV (or equivalent)
- 256MB of RAM
- 15MB of free disk space (65MB with Java)
- 800x600 display with more than 256 colours
- Windows (2000,2003,XP,Vista). Mac OS/X 10.4+
- Java 1.5 or higher
Downloading the Basic tool v5.2.0
Details of recent changes. Please read the license before downloading.
Windows (3.1MB) [MD5 Checksum]
When upgrading simply install the latest release over the your existing installation. There is no need to uninstall your current version first. All of your settings and results should be preserved.
Java for Windows
On Windows if you don't have the right version of Java installed your browser will be directed to the official site to download the latest version. Alternatively download the java add-on below. This will provide a local version of Java used just by the tool:
Java 1.5 for Windows (17.5MB) [MD5 Checksum]
Installing/Uninstalling
Windows: Just double-click the downloaded file to install. See the ReadMe.txt file for uninstalling.
OS/X: Open the .dmg file and see the ReadMe.txt file for instructions on installing/uninstalling.

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