Old News(August 19, 2008) OnlineWebCheck.com: We've upgraded our online HTML checker (new window) to increase speed and capacity. We also recently improved the output and added HTTP header information for URLs. More Info About OnlineWebCheck.com
(June 26, 2008) 3D2F.COM Review: A CSE HTML Validator review by 3D2F.COM (new window) says "If finding an ultimate HTML, XHTML and CSS checking tool with link checking is definitely on your agenda, then consider the job done!".
(June 20, 2008) EmEditor: EmEditor (new window) now has an updated plug-in that provides integrated support for CSE HTML Validator. The new version adds link checking from within EmEditor. Programs Supporting CSE HTML Validator
(May 26, 2008) OnlineWebCheck.com: We've upgraded our online HTML checker (new window) to improve the output and show the HTTP headers for URLs. More Info About OnlineWebCheck.com
(February 3, 2008) Moving to New Server: We will be moving to a new and faster server later today (with new IP addresses). This will disrupt the website for an hour or more. We're sorry for any inconvenience this may cause.
(January 1, 2008) Happy New Year!: We wish every a happy 2008 and hope you had a great holiday/Christmas!
(October 31, 2007) New Web Development Forums: We've added new general web development talk forums to our CSE HTML Validator discussion forums. If you haven't already, please be sure to register in our forums. The VIP code needed to register is 3310. More New Forum Info | Forums | Forum RSS Feed Info
(August 9, 2007) ValidatorBuddy 2.1 Adds CSE HTML Validator Support: ValidatorBuddy 2.1 by Spy Components, an XML validation tool for XMLSpy, now integrates with CSE HTML Validator.
(July 2, 2007) New Online Demos: We have created new online CSE HTML Validator demonstrations.
(June 27, 2007) CSE HTML Validator Std/Pro v8.04: Now available to registered v8.0x users. Download v8.04 Pro | Download v8.04 Std | More v8.0 Info | Upgrade Now.
(June 27, 2007) CSE HTML Validator Lite v8.04: Now Available! This is a minor update to the FREE (for personal and educational use) lite edition. Download v8.04 Lite
(May 16, 2007) HTMLPad 2007: HTMLPad 2007 (new window) now includes integrated support for CSE HTML Validator. Programs Supporting CSE HTML Validator
(April 18, 2007) OnlineWebCheck.com: We've upgraded our online HTML validator (based on CSE HTML Validator Lite) to increase speed and handle more connections. If you haven't already tried out this free easy-to-use online html checking service, then you can do so at OnlineWebCheck.com. More Info About OnlineWebCheck.com
(February 28, 2007) CSE HTML Validator Std/Pro v8.03: Now available to registered v8.0x users. Download v8.03 Pro | Download v8.03 Std | More v8.0 Info | Upgrade Now.
(February 28, 2007) CSE HTML Validator Lite v8.03: Now Available! This is a minor update to the FREE lite edition. Download v8.03 Lite
(December 26, 2006) EmEditor: EmEditor (new window) now has a plug-in that provides integrated support for CSE HTML Validator. Programs Supporting CSE HTML Validator
(November 21, 2006) CSE HTML Validator Lite v8.01: Now Available! This is a major update to the FREE lite edition. Download v8.01 Lite
(November 9, 2006) CSE HTML Validator Pro v8.01: Now available to registered v8.0x pro users. Download v8.01 Pro | Download v8.00 Std | More v8.0 Info | Upgrade Now.
(October 26, 2006) Firefox Extension Update: The free Firefox extension supporting CSE HTML Validator has been updated to support Firefox 1.0, 1.5, and 2.0! Download Firefox Extension | More Firefox Extension Info
(October 13, 2006) New Icons: We've recently added new v8.0 icons that you can use on your web pages. More Icon Info
(October 11, 2006) CSE HTML Validator Std/Pro v8.00: Now available to registered v8.0x std/pro users. Download v8.00 Pro | Download v8.00 Std | More v8.00 Info | Upgrade Now.
(July 24, 2006) OnlineWebCheck.com: We've upgraded our online HTML validator (based on CSE HTML Validator Lite) to better handle more connections. If you haven't already tried out this free easy-to-use online html checking service, then you can do so at OnlineWebCheck.com. More Info About OnlineWebCheck.com
(June 5, 2006) DebugBar: DebugBar 4.0+ (new window) now includes integrated support for CSE HTML Validator. Programs Supporting CSE HTML Validator
(March 28, 2006) OnlineWebCheck.com: Based on our current online validator, we now have an enhanced service at OnlineWebCheck.com. More Info About OnlineWebCheck.com
(March 7, 2006) New Icons: We've recently added many new icons that you can use on your web pages. More Icon Info
(February 27, 2006) New Forum RSS Feed: We've added a new forum RSS feed that shows you the latest discussion in our online support forum. More Forum RSS Feed Info
(January 10, 2006) Validation Form: Did you know that you can easily place a validation form on your web site? We've recently made some improvements to our easy-to-use online validator.
(December 25, 2005) Merry Christmas!: Merry Christmas and Happy New Year from the "HTML Validator folks" at AI Internet Solutions!
(November 18, 2005) Firefox Extension Update: The free Firefox extension supporting CSE HTML Validator has been updated to support Firefox 1.0 and 1.5! Download Firefox Extension | More Firefox Extension Info
(October 26, 2005) CSE HTML Validator Lite v7.01: Now Available! This is a major update to the FREE lite edition. Download v7.01 Lite
(October 18, 2005) CSE HTML Validator Standard v7.01: Now available to registered v7.0x standard users. Download v7.01 Std | Upgrade Now.
(October 17, 2005) CSE HTML Validator Professional v7.01: Now available to registered v7.0x professional users. Download v7.01 | More 7.01 Info | Upgrade Now.
(June 23, 2005) CSE HTML Validator Standard v7.00: Now available to registered v7.0x standard users. Download v7.00 Std | Upgrade Now.
(June 22, 2005) New Firefox Extension: A free Firefox extension supporting CSE HTML Validator is now available! Download Firefox Extension | More Firefox Extension Info
(June 17, 2005) CSE HTML Validator Professional v7.00 Final: Now available to registered v7.0x professional users. Download v7.00 | More 7.00 Final Info | Upgrade Now.
(June 2, 2005) CSE HTML Validator Professional v7.00 BETA 5: Now available to registered v7.0x professional users. Download v7.00 BETA 5 | More BETA 5 Info | Upgrade Now.
(April 21, 2005) CSE HTML Validator Professional v7.00 BETA 4: Now available to registered v7.0x professional users. Download v7.00 BETA 4 | More BETA 4 Info | Upgrade Now.
(March 22, 2005) CSE HTML Validator Professional v7.00 BETA 3: Now available to registered v7.0x professional users. Download v7.00 BETA 3 | More BETA 3 Info | Upgrade Now.
(March 3, 2005) IDM Select Choice Seal: CSE HTML Validator has received the IDM Select Choice Seal. This seal is an endorsement of excellence exclusively awarded to software products passing a rigorous evaluation by IDM Computer Solutions, Inc. IDM is the developer of UltraEdit-32 v11.0, a powerful text and programmer's editor with integrated support for CSE HTML Validator.
(March 3, 2005) CSE HTML Validator Professional v7.00 BETA 2: Now available to registered v6.5x professional users. Download v7.00 BETA 2 | More BETA 2 Info | Upgrade Now.
(February 7, 2005) UltraEdit-32: UltraEdit-32 v11.0 is now available. UltraEdit-32 is a powerful text and programmer's editor with integrated support for CSE HTML Validator. If you're looking for a value-priced and feature-packed text/programmer's editor, then we're confident that you'll be completely satisfied with UltraEdit-32.
(February 2, 2005) Program Integration: Did you know that many third party products support integration with CSE HTML Validator? This includes products like UltraEdit (new window), a powerful text and programmer's editor. More Program Integration Info
(January 29, 2005) New JavaScript Menus: Using DHTML Menu Builder (new window), we've added new JavaScript menus to the website for easier navigation. More Info
(January 20, 2005) CSE HTML Validator Professional v7.00 BETA 1: Now available to registered v6.5x professional users. Download | More Info | Upgrade Now.
(January 17, 2004) Validation Form: Did you know that you can easily place a validation form on your web site? We've just created a new page that tells you how.
(December 11, 2004) New Forum: We now have a new support forum! Please register at the new forum.
(December 9, 2004) RSS Feed with FeedForAll: We are now offering an RSS feed to get the latest news about CSE HTML Validator. We use and recommend FeedForAll (new window).
(November 29, 2004) HippiePro (new window): This new HTML editor features integrated support for CSE HTML Validator as well as side-by-side editing and viewing in both Internet Explorer and Firefox/Mozilla views.
(November 19, 2004) Straight2web (new window): This content management software uses CSE HTML Validator to ensure that every site complies with the latest accessibility and design standards and will therefore work well on every browser. They also recommend that all of their customers use it as a key part of their quality control procedure.
(November 8, 2004) CSE HTML Validator Pro v7.0 BETA: To BETA test the upcoming v7.00 version, please be sure to opt-in to receive BETA emails. You may download upcoming v7.0 BETA versions only if you are licensed to use v6.5x pro edition.
(October 28, 2004) CSE HTML Validator Pro v6.53: Now available in a trial version! Download Trial | Changes | Upgrade Now.
(October 27, 2004) CSE HTML Validator Standard v6.53: Now available to registered v6.5x standard users. Download Std | Changes | Upgrade Now.
(October 20, 2004) CSE HTML Validator Professional v6.53: Now available to registered v6.5x professional users. Download Pro | Changes | Upgrade Now.
(August 11, 2004) CSE HTML Validator Lite v6.52: A brand new lite version is now available! CSE HTML Validator Lite is FREE and designed for the casual HTML author who doesn't need the full power of the standard or professional edition. More Information and Download.
(August 2, 2004) CSE HTML Validator Pro v6.52: Now available in a trial version! Download Trial | Changes | Upgrade Now.
(July 29, 2004) CSE HTML Validator Standard v6.52: Now available to registered v6.5x standard users. Download | Changes | Upgrade Now.
(July 28, 2004) CSE HTML Validator Professional v6.52: Now available to registered v6.5x professional users. Download | Changes | Upgrade Now.
(July 8, 2004) Update Online Validator: We've upgraded our online validation server for faster validations. The lite version of the online validator will show the actual messages.
(April 28, 2004) Registered Users Should Opt-In: If you are a registered user, please opt-in to continue receiving email notifications of updates and upgrades.
(April 14, 2004) CSE HTML Validator Pro v6.51: Now available in a trial version! Download Trial | Changes | Upgrade Now.
(April 13, 2004) CSE HTML Validator Standard v6.51: Now available to registered v6.5x standard users. Download | Changes | Upgrade Now.
(April 6, 2004) CSE HTML Validator Professional v6.51: Now available to registered v6.5x professional users. Download | Changes | Upgrade Now.
(April 5, 2004) Prepaid Certificates for Campus Bookstores: Now available for sale in Campus Bookstores! CSE HTML Validator is a great learning tool for web development classes. More Information.
(March 7, 2004) AI Internet Solutions Closing March 8-13 We'll be on vacation from the 8th to the 13th. We'll be able to answer some email but not all during this time. We're sorry for any inconvenience this may cause.
(February 23, 2004) CSE HTML Validator Standard v6.50: Now available to registered v6.5x standard users. Download | Changes | Upgrade Now.
(February 16, 2004) CSE HTML Validator Professional v6.50: Now available to registered v6.5x professional users. Download | Changes | Upgrade Now.
(January 20, 2004) CSE HTML Validator Professional v6.50 BETA 4: Now available to registered v6.5x professional users. Download | Upgrade Now.
(December 23, 2003) CSE HTML Validator Professional v6.50 BETA 3A: Now available to registered v6.0x professional users. Download | Upgrade Now.
(December 2, 2003) 30-Day Money Back Guarantee: AI Internet Solutions is now offering a new 30-Day Money Back Guarantee on purchases of CSE HTML Validator. We now guarantee your satisfaction or your money back!
(October 20, 2003) CSE in the Classroom: CSE HTML Validator is not only a professional web development tool, it is also great educational software. Inexpensive licenses can now be obtained for classroom use. More Information.
(September 9, 2003) CSE HTML Validator Professional v6.50 BETA 1: Now available to registered v6.0x professional users! Download | Upgrade Now.
(July 25, 2003) Affiliate Program: Don't forget about our affiliate program for CSE HTML Validator using eSellerate's exclusive SalesTrac Technology (EST). More Information.
(June 28, 2003) New Web Site Critique Service: AbleStable, a provider of high quality resources for creative people, has begun a new web site critiquing service (new window) that utilizes CSE HTML Validator.
(May 30, 2003) CSE HTML Validator v6 Icons: New v6 icons are now available in six different colors. Icons.
(May 27, 2003) CSE HTML Validator v6.00: Now available in a trial version! Also available to registered professional and standard users. Download Registered | Download Trial | Changes | Upgrade Now.
(May 17, 2003) CSE HTML Validator Professional v6.00: Now available to registered v6.0x professional users! Standard edition and trial editions coming soon. Download | Changes | Upgrade Now.
(May 12, 2003) CSE HTML Validator Professional v6.00 BETA 3: Now available to registered v6.0x professional users! Download | Upgrade Now.
(April 29, 2003) CSE HTML Validator Professional v6.00 BETA 2: Now available to registered v6.0x professional users! Download | Upgrade Now.
(April 7, 2003) CSE Comic: See what one happy CSE HTML Validator user sent us.
(February 25, 2003) UltraEdit-32: Did you know that UltraEdit-32 (v10+) is one of many applications that has built-in support for CSE HTML Validator? UltraEdit-32 Web Site (new window) | Other Applications
(January 19, 2003) Section 508: Did you know that CSE HTML Validator Std/Pro generates messages to help you comply with US Section 508 accessibility requirements? CSE HTML Validator will help you make your web site accessible to more people, including those who browse with slower, wireless devices! About Web Accessibility
(January 6, 2003) HTML-Kit: Did you know that HTML-Kit is one of many applications that has built-in support for CSE HTML Validator? HTML-Kit Web Site | Other Applications
(December 26, 2002) Happy Holidays! AI Internet Solutions wishes you a happy holiday season and a great new year! We are still occasionally checking our mail and processing orders and will return to normal business on January 6, 2003.
(November 29, 2002) Do you use Dreamweaver? Did you know that third party extensions are available for CSE HTML Validator? NOTE: AI Internet Solutions does not provide support for third party extensions. Dreamweaver MX | Dreamweaver 4/UltraDev 4
(November 25, 2002) Did You Know? The first version of CSE HTML Validator has been selling since January 1997 (almost six years ago). Today, thousands of people and businesses are using CSE HTML Validator to improve their web sites and/or to learn HTML.
(November 5, 2002) New Affiliate Program: Due to customer requests for an affiliate program, AI Internet Solutions has started an affiliate program for CSE HTML Validator using eSellerate's exclusive SalesTrac Technology (EST). More Information.
(October 10, 2002) CSE HTML Validator Lite v3.50: A brand new lite version is now available! CSE HTML Validator Lite is FREE and designed for the casual HTML author who doesn't need the full power of the standard or professional edition. Download.
(October 1, 2002) CSE HTML Validator Std/Pro v5.51 is Now Available: This is a recommended upgrade for ALL users. Download | Changes | UPGRADE NOW.
(August 29, 2002) CSE HTML Validator Professional v5.50 is RELEASED: Now available to licensed v5.50 users! The v5.50 standard edition is coming soon. Download | Changes | UPGRADE NOW.
(August 19, 2002) CSE HTML Validator Professional v5.50 BETA 5: Now available to registered v5.5x users! Download | Upgrade Now.
(August 16, 2002) CSE HTML Validator Professional v5.50 BETA 4: Now available to registered v5.5x users! Download | Upgrade Now.
(August 2, 2002) Upgrade NOW!: You can now purchase an upgrade to CSE HTML Validator Standard or Professional v5.50, to be released in early September, 2002. Upgrade now to bring your license up to date so that you can download the new version as soon as it is released. Also, new orders placed now will automatically receive a free upgrade. Upgrade Now | Order Now.
(July 30, 2002) CSE is Better!: See why CSE HTML Validator is better and why you should use it instead of, or in addition to, other validators and checkers like the W3C HTML Validator. This new page lists several problems that normal validators like the W3C HTML Validator cannot find. Why CSE is Better.
(July 26, 2002) CSE HTML Validator Professional v5.50 BETA 3: Now available to registered v5.0x users! Download.
(June 27, 2002) CSE HTML Validator Professional v5.50 BETA 2: Now available to registered v5.0x users! Download.
(June 19, 2002) NEW Review: Studiowhiz.com says CSE HTML Validator Professional is a "brilliant application [that] will improve the way you code forever".
(June 4, 2002) New Online HTML, XHTML, and CSS Checker: Give us the URL of your HTML, XHTML, or CSS document and we'll tell you how many error messages CSE HTML Validator generated when checking that URL. Check URL.
(May 27, 2002) CSE HTML Validator Professional v5.50 BETA 1: Now available to registered v5.0x users! Download.
(May 10, 2002) NEW Review: Bill Gentry says CSE HTML Validator Professional is "the premiere HTML validation software available" and that it has a "full-fledged HTML editor that rivals Macromedia's HomeSite." Read the full review and also learn why HTML errors can stop spiders causing poor search engine rankings.
(May 8, 2002) NEW Product: CSE HTML Validator Standard is now available for only $69 for a single license! Buy Now | More Info
(May 5, 2002) Microsoft and WUGNET Pick of the Week: CSE HTML Validator Professional is (again) the Microsoft and WUGNET Pick of the Week in the Shareware Hall of Fame (NT/2000/XP)!
(March 26, 2002) CSE HTML Validator Professional v5.03: CSE HTML Validator Professional v5.03 is now available in a trial version and a registered user version. Everyone should now be using this version. Download | Changes.
(March 22, 2002) CSE HTML Validator Professional v5.03: CSE HTML Validator Professional v5.03 is now available for registered users! This is the last v5.0x release and is highly recommended for ALL registered users. Registered User Download | Upgrade to v5.0x | Get a v5.0x key.
(March 11, 2002) FREE v5.5x Upgrade: If you order or upgrade to CSE HTML Validator Professional v5.0x now, then you are guaranteed a free upgrade to v5.5x when available (expected in the third quarter of 2002).
(March 4, 2002) CSE HTML Validator Professional v5.50 BETA: Work has already begun on the next major version of CSE HTML Validator Professional. Licensed v5.0x users will be able to download the first BETA when it is available.
(February 12, 2002) CSE HTML Validator Professional v5.02: CSE HTML Validator Professional v5.02 is now available for registered users! Registered User Download | Upgrade to v5.0x | Get a v5.0x key.
(February 5, 2002) CSE HTML Validator Lite v3.00: A brand new lite version is now available! CSE HTML Validator Lite is free and designed for the casual HTML author who doesn't need the full power of CSE HTML Validator Professional. Download.
(January 2, 2002) CSE HTML Validator Professional v5.01: CSE HTML Validator Professional v5.01 is now available for registered users! Registered User Download | Upgrade to v5.0x | Get a v5.0x key.
(December 11, 2001) NEW Reviews: WebmasterEdge.com says CSE HTML Validator Professional is "a must for any serious Web developer" and FileTransit.com says "The user friendly factor is excellent, the design is excellent. Everything is excellent. If you're a web designer, author, programmer, etc... You need this." But don't take these words for it; try CSE HTML Validator and see for yourself!
(November 8, 2001) CSE HTML Validator Professional v5.00: CSE HTML Validator Professional v5.00 is now available! Registered User Download | Trial Version Download | Upgrade to v5.0x | Get a v5.0x key.
(October 26, 2001) CSE HTML Validator Professional v5.00 BETA 4: CSE HTML Validator Professional v5.00 BETA 4 is now available! Download | Pre-purchase v5.0x so you can download v5.0 BETA | Email me a v5.0x key (required for BETA 4).
(October 21, 2001) Pre-purchase upgrades: CSE HTML Validator Professional v5.00 will be released on November 12, 2001. You can now pre-purchase upgrades. Upgrade here.
(October 9, 2001) CSE HTML Validator Professional v5.00 BETA 3: CSE HTML Validator Professional v5.00 BETA 3 is now available to registered v4.5x users! Download. Upgrade to v4.5x so you can download v5.0 BETA.
(August 21, 2001) CSE HTML Validator Professional v5.00 BETA 2: CSE HTML Validator Professional v5.00 BETA 2 is now available to registered v4.5x users! Download. Upgrade to v4.5x so you can download v5.0 BETA.
(July 19, 2001) CSE HTML Validator Professional v5.00 BETA 1: CSE HTML Validator Professional v5.00 BETA 1 is now available to registered v4.5x users! Download. Upgrade to v4.5x so you can download v5.0 BETA.
(June 22, 2001) CSE HTML Validator Professional v5.00 BETA 1: CSE HTML Validator Professional v5.00 BETA 1 will be available next month to registered v4.5x users.
(May 17, 2001) CSE HTML Validator Professional v4.5200: CSE HTML Validator Professional v4.52 is now available in a trial version! This is a recommended (but not a must have) update. Download. Changes.
(May 14, 2001) CSE HTML Validator Professional v4.5200: CSE HTML Validator Professional v4.52 is now available for registered users! This is a recommended (but not a must have) update. Registered User Download. Changes.
(May 2, 2001) Special Educational Offer: Many people are already taking advantage of our free and discount licensing offer for HTML/XHTML instructors and students. If you teach HTML, XHTML, ASP, PHP, or similar topics and you want to use HTML Validator in your class, then contact us for a limited time offer (FREE licenses)!
(April 5, 2001) Server Upgrade: The server upgrade is almost complete! The forum software has also been upgraded.
(April 3, 2001) Upgrading Server: We are now in the process of upgrading our server. Some disruption may result during the next week.
(March 25, 2001) Upgrading Server: Within the next two weeks, we plan to upgrade our servers and network connection. Some disruption may result.
(March 23, 2001) CSE HTML Validator Lite v2.50: A brand new lite version is now available! CSE HTML Validator Lite is free and designed for the casual HTML author who doesn't need the full power of CSE Pro. Download.
(March 18, 2001) CSE HTML Validator Professional v4.5110: CSE HTML Validator Professional v4.5110 is now available for registered users! This is a recommended update. Registered User Download. Changes.
(March 1, 2001) Special Educational Offer: If you are an HTML/XHTML instructor and want to use HTML Validator in your class, then contact us for a very special limited time offer (FREE licenses)! If you are a student, then please tell your instructor about this offer and have them contact us.
(February 27, 2001) Press Release: Read the press release about CSE HTML Validator Professional v4.51 which is now posted online.
(February 14, 2001) CSE HTML Validator Professional v4.51: CSE HTML Validator Professional v4.51 with spell checking and more new features is now available as a trial version! Download Changes.
(February 13, 2001) CSE HTML Validator Professional v4.51: CSE HTML Validator Professional v4.51 with spell checking and more new features is now available for registered users! Registered User Download. Changes.
(January 31, 2001) CSE HTML Validator Professional v4.51 BETA 3: CSE HTML Validator Professional v4.51 BETA 3 with spell checking and more new features is now available for registered users! Registered User Download. Changes.
(January 24, 2001) New page: Learn why you should validate your pages.
(January 16, 2001) CSE HTML Validator Professional v4.51 BETA 1: CSE HTML Validator Professional v4.51 BETA 1 with spell checking and more new features is now available for registered users! Registered User Download. Changes.
(December 13, 2000) New page: See how CSE HTML Validator can be useful to you with this new page.
(September 22, 2000) Press Release: Read the press release about CSE HTML Validator Professional v4.50 which is now available!
(September 14, 2000) Have you upgraded? Did you know that CSE HTML Validator Professional v4.50 is now available? Many registered users have already upgraded to the new version. If you are a registered user and you're not using CSE v4.50 already, then you can upgrade and then immediately download it. A trial version is also available. Changes.
(September 11, 2000) CSE HTML Validator Professional v4.50: The release version of CSE HTML Validator Professional v4.50 is now available! We will be updating the web site accordingly within the next few days. Registered User Download. Trial Version Download. Changes.
(September 7, 2000) CSE HTML Validator Professional v4.50 RC2: Now available to registered users who are licensed to use CSE v4.50! Download.
(August 24, 2000) CSE HTML Validator Professional v4.50 BETA 3A: Now available! More Information.
(July 26, 2000) CSE HTML Validator Professional v4.50 BETA 2: Now available! More Information.
(June 30, 2000) CSE HTML Validator Professional v4.50 BETA 1C: Now available! More Information.
(June 25, 2000) CSE HTML Validator Professional v4.50 BETA 1A: Now available! More Information.
(June 19, 2000) CSE HTML Validator Professional v4.50 BETA 1: The first peek at v4.5 is now available! More Information.
(May 4, 2000) CSE HTML Validator Lite v2.01: A brand new Lite version is now available-- with NO banner ads! CSE Lite is free and designed for the casual HTML author who doesn't need the full power of CSE Pro. Download.
(April 30, 2000) CSE HTML Validator Professional v4.05: A brand new version is now available! As usual, this is a FREE upgrade for v4.0 users. To upgrade your current v4.0x version to v4.05, simply download a full release and install it on top of your current v4.0x installation. Download. Changes.
(April 26, 2000) New BETA: CSE HTML Validator Professional v4.05 BETA 2 is now available. Major highlights include improved link checking, XHTML support, and WML support. Changes
(February 11, 2000) Upgrade Ordering: The move to the new server is complete and the online upgrade ordering is online again. If you are already a registered user, you can purchase an upgrade to the latest version of CSE HTML Validator quickly and easily. Simply visit the upgrade ordering page. If you haven't upgraded yet, then you're missing out on all the new features!
(February 5, 2000) New Support Forums: We are discontinuing the news server support groups at news.htmlvalidator.com and have replaced it with a fast and easy to use web-based discussion area!
(February 5, 2000) New Server: We are moving this website to a new server. Please report any website problems to AI Internet Solutions. Because of this, the upgrade ordering process is currently not working. If you have a problem ordering an upgrade, please try again in 24 hours.
(January 19, 2000) HomeSite Users: Compare HomeSite 4.5's validator with CSE HTML Validator Professional! You'll definitely want to upgrade HomeSite's validator to CSE HTML Validator Professional when you see this!
(January 1, 2000) CSE HTML Validator Professional v4.04: A brand new version is now available! As usual, this is a FREE upgrade for v4.0 users. To upgrade your current v4.0x version to v4.04, simply download a full release and install it on top of your current v4.0x installation. Download.
(December 16, 1999) Educational Institutions: For a limited time, AI Internet Solutions is offering rock bottom educational use pricing for CSE HTML Validator Professional to non-profit educational institutions where CSE HTML Validator will be used in a classroom environment for learning HTML. For more information, please email AI Internet Solutions.
(December 9, 1999) CSE HTML Validator Lite v2.0 is here! Lite v2.0 is advertising supported and based on CSE HTML Validator Professional v4.0 instead of the Lite v1.0 version which is based on CSE HTML Validator v2.55. Like the professional 4.0 version, Lite v2.0 includes an integrated HTML/text editor. However, for the full power and improved syntax checking of CSE HTML Validator, you will still need to purchase the Professional version. Download
(December 2, 1999) CSE HTML Validator Professional v4.03: A brand new version is now available! This is a FREE upgrade for v4.0 users. If you are using v4.01 or earlier, we recommend that you upgrade to this new version. v4.02 users can upgrade if they want to. Press release. Download.
