Comparison of HTML editors
The following tables compare general and technical information for a number of HTML editors.
Please see the individual products' articles for further information, comparison of text editors for information on text editors, and comparison of word processors or information on word processors, many of which have features to assist with writing HTML.
General information
Systems listed on a light purple background are no longer in active development.
| Editor | Version | Year | Creator | Software license |
|---|---|---|---|---|
| Amaya | 11.4.4 (January 18) | 2012 | W3C, INRIA | W3C |
| Aptana Studio | 3.6.0 (August 1) | 2014 | Aptana | GPL |
| Arachnophilia | 5.5, build 2935 (March 9) | 2018 | Paul Lutus [1] | LGPL |
| Atom | 1.46.0 (May 5) | 2020 | GitHub | MIT License |
| Bluefish | 2.2.11 (January 24) | 2020 | Bluefish | GPL |
| BlueGriffon | 3.1 (October 14) | 2019 | Disruptive Innovations | MPL 1.1/GPL 2.0/LGPL 2.1 |
| Brackets | 1.13 (June 18) | 2018 | Adobe | MIT License |
| Claris Homepage | 3.0 | 1998 | Claris | Proprietary |
| Coda | 2 | 2012 | Panic, Inc. | Proprietary |
| Codelobster | 5.10.1 (August 22) | 2016 | Codelobster Software | Proprietary |
| CoffeeCup HTML Editor | 15.1 (July 10) | 2015 | CoffeeCup Software | Proprietary |
| CudaText | 1.57.0 (June 25) | 2018 | UVViewSoft (alexey_t, kvichans, matthias030) | MPL 2.0 |
| Contribute | CS6.5 (8)(August 23) | 2012 | Adobe Systems (formerly Macromedia) | Proprietary |
| Dreamweaver | CC 2020 (20.1) (February) | 2020 | Adobe Systems (formerly Macromedia) | Proprietary |
| EZGenerator | 4.1 (December) | 2012 | Image-Line | Proprietary |
| Freeway | 7.1.3 (May 5) | 2016 | Softpress | Proprietary |
| GoLive | 9.0 (June 1) | 2007 | Adobe Systems (formerly GoLive Systems) | Proprietary |
| Google Web Designer | (July) | 2018 | Google, Inc. | Proprietary |
| HTML-Kit | 292 | Chami.com | Proprietary | |
| KompoZer | 0.7.10/0.8b3 (August 30, 2007/ March 1, 2010) | 2010 | Kaze | MPL 1.1/GPL 2.0/LGPL 2.1 |
| LibreOffice | 6.1.2 (September 27) | 2018 | The Document Foundation | Mozilla Public License/Apache License 2.0/others |
| Maqetta | Preview 5 (March 28) | 2013 | IBM | BSD or AFL |
| Microsoft Expression Web | 4.0.1460.0 (December 20) | 2012 | Microsoft | Proprietary |
| Microsoft Office FrontPage | 11.0.8174 (October 21) | 2003 | Microsoft | Proprietary |
| Microsoft FrontPage Express | 2.0 | 1997 | Microsoft | Proprietary |
| Web Architect | 6.9.1 (July 25) | 2012 | mirabyte | Proprietary |
| Microsoft SharePoint Designer | 2007 (December 4) | 2006 | Microsoft | Proprietary |
| Microsoft Visual Studio Code | 1.28.1 (October 11) | 2018 | Microsoft | MIT License |
| Microsoft Visual Web Developer | 2008 | Microsoft | Proprietary | |
| Mobirise | 4.8 | 2018 | Mobirise.com | Proprietary |
| Mozilla Composer | 1.7.13 (April 21) | 2006 | Mozilla Foundation | MPL 1.1/GPL 2.0/LGPL 2.1 |
| Nvu | 1.0 (June 28) | 2005 | Linspire / Daniel Glazman | MPL 1.1/GPL 2.0/LGPL 2.1 |
| openElement | 1.44 (January 21) | 2014 | openElement | Apache License 2.0 |
| OpenOffice.org | 4.1.5 (October 19) | 2017 | Apache Foundation | Mozilla Public License/Apache License 2.0/others |
| oXygenXML Editor[2] | 17.1 (October) | 2015 | Syncro Soft | Proprietary (some components Apache License 2.0) |
| Quanta Plus | 3.5.9 (February 20) | 2008 | The Quanta Team | GPL |
| RocketCake | 1.4 | 2017 | Ambiera | Proprietary |
| SeaMonkey Composer | 2.53.1 (February 28) | 2020 | SeaMonkey Council | MPL |
| TextMate | 2.0 Preview (August 12) | 2012 | Macromates | GPL |
| TOWeb | 5.07 (July 28) | 2013 | Lauyan Software | Proprietary |
| WebStorm IDE | 7.0 (September 26) | 2013 | JetBrains | Proprietary |
| Editor | Version | Year | Creator | Software license |
Operating system support
| Editor | Windows | OS X | Linux | BSD | Unix | iOS | Android |
|---|---|---|---|---|---|---|---|
| Amaya | Terminated 2012 | Terminated 2012 | Terminated 2012 | Terminated 2012 | Terminated 2012 | No | No |
| Aptana | Yes | Yes | Yes | Yes | No | No | No |
| Arachnophilia | Yes | Yes | Yes | Yes | No | No | No |
| Atom | Yes | Yes | Yes | No | No | No | No |
| Bluefish | Yes | Yes | Yes | Yes | Yes | No | No |
| BlueGriffon | Yes | Yes | Yes | No | No | No | No |
| Brackets | Yes | Yes | Yes | No | No | No | No |
| Claris Homepage | Terminated (3.0) | No | No | No | No | No | No |
| Codelobster | Yes | No | No | No | No | No | No |
| CoffeeCup HTML Editor | Yes | Yes | No | No | No | No | No |
| CudaText | Yes | Yes | Yes | Yes | Yes | No | No |
| Contribute | Yes | Yes | No | No | No | No | No |
| Dreamweaver | Yes | Yes | No | No | No | No | No |
| EZGenerator | Yes | No | No | No | No | No | No |
| Freeway | No | Yes | No | No | No | No | No |
| GoLive | Terminated (9.0) | Terminated (9.0) | No | No | No | No | No |
| HTML-Kit | Yes | No | No | No | No | No | No |
| KompoZer [3] | Yes | Yes | Yes | Yes | No | No | No |
| LibreOffice | Yes | Yes | Yes | source only | source only | No | No |
| Maqetta | Yes | Yes | Cloud[4] | Cloud[4] | No | No | No |
| Microsoft Expression Web | Yes | No | No | No | No | No | No |
| Microsoft FrontPage | Terminated (2003) | No | No | No | No | No | No |
| Microsoft SharePoint Designer | Yes | No | No | No | No | No | No |
| Microsoft Visual Web Developer | Yes | No | No | No | No | No | No |
| Web Architect | Yes | No | No | No | No | No | No |
| Mobirise | Yes | Yes | No | No | No | No | Yes |
| Mozilla Composer | Terminated (1.7.13) | Terminated (1.7.13) | Terminated (1.7.13) | Terminated (1.7.13) | Terminated (1.7.13) | No | No |
| Nvu [5] | Terminated (1.0) | Terminated (1.0) | Terminated (1.0) | Terminated (1.0) | No | No | No |
| openElement | Yes | No | No | No | No | No | No |
| OpenOffice.org | Yes | Yes | Yes | source only | source only | No | No |
| oXygenXML Editor | Yes | Yes | Yes | Yes | Yes | No | No |
| Quanta Gold (deprecated) | Yes | Yes | Yes | No | No | No | No |
| Quanta Plus | No | Terminated 2009 | Terminated 2009 | Terminated 2009 | Terminated 2009 | No | No |
| RocketCake | Yes | Yes | No | No | No | No | No |
| SeaMonkey Composer | Yes | Yes | Yes | Yes | Yes | No | No |
| TOWeb | Yes | No | No | No | No | No | No |
| WebStorm IDE | Yes | Yes | Yes | Yes | Yes | No | No |
| Editor | Windows | OS X | Linux | BSD | Unix | iOS | Android |
Editor features
| Editor | WYSIWYG | FTP Upload | WebDAV Upload | Server-side scripting | Shared editing | Spell checking | Templates | Templates Update Sync | Page Preview | Form Handler |
|---|---|---|---|---|---|---|---|---|---|---|
| Amaya | Yes | No | Yes | No | No | Yes | Partial[6] | No | Yes | ? |
| Aptana | No | Yes | ? | Yes (via plugins) | Yes | No | Some (i.e. Snippets) | ? | Yes | ? |
| Arachnophilia | No | ? | ? | ? | ? | Yes | Yes | ? | Yes | ? |
| Bluefish | No | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | ? |
| BlueGriffon | Yes | No (add-on)[7] |
No | ? | No | Yes | Yes (via commercial proprietary add-on)[8] |
No | Yes | ? |
| Brackets | "Live Preview" in-browser | Yes (via extension) | No | Yes | No | Yes (via extension) | Yes (via extension) | No | Yes | ? |
| Claris Homepage | Yes | Yes | No | No | No | Yes | Yes | No | Yes | ? |
| Codelobster | No | Yes | No | Yes | No | No | Yes | ? | Yes | ? |
| CoffeeCup HTML Editor | No | Yes | ? | No | No | Yes | Yes | ? | Yes | ? |
| Dreamweaver | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| EZGenerator | Yes | Yes | ? | ? | ? | Yes | Yes | ? | Yes | ? |
| Freeway | Yes | Yes | No | Yes | No | Yes | Yes | ? | Yes | Yes |
| GoLive | Yes | Yes | Yes | Yes | No | Yes | Yes | ? | Yes | ? |
| HTML-Kit | No | Yes | ? | Yes | No | Yes | Yes | ? | Yes | ? |
| KompoZer | Yes | Yes | No | No | No | Yes | Yes | No | Yes | ? |
| LibreOffice | Yes | Yes | ? | ? | Yes | Yes | Yes | ? | Yes | ? |
| Maqetta | Yes | ? | ? | ? | ? | ? | ? | ? | Yes | ? |
| Microsoft Expression Web | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | ? |
| Microsoft FrontPage | Yes | Yes | Yes | Yes | Yes | Yes | Yes | ? | Yes | ? |
| Microsoft SharePoint Designer | Yes | Yes | Yes | Yes | Yes | Yes | Yes | ? | Yes | ? |
| Microsoft Visual Web Developer | Yes | Yes | Yes | Yes | Yes | Yes | Yes | ? | Yes | ? |
| Mobirise | Yes | Yes | No | Yes | No | No | Yes | ? | Yes | Yes |
| Web Architect | No | Yes | ? | Yes | No | Yes | Yes | ? | Yes | ? |
| Nvu | Yes | Yes | Yes | No | No | Yes | Yes | No | Yes | ? |
| openElement | Yes | Yes | No | Yes | No | Yes | Yes | ? | Yes | Yes |
| OpenOffice.org | Yes | Yes | ? | ? | Yes | Yes | Yes | ? | Yes | ? |
| oXygenXML Editor | Partial (more like WYSIWYM) | Yes and SFTP | Yes | Yes | Yes | Yes | Yes | Yes | Partial (via XSLT to browser) | maybe, depends on type. |
| Quanta Plus | Yes | Yes | No (cvs instead) | Yes | Yes | Yes | Yes | Yes | Yes | ? |
| RocketCake | Yes | Yes | No | Yes | No | No | Yes | Yes | Yes | Yes |
| SeaMonkey Composer | Yes | Yes | Yes | No | No | Yes | No | No | Yes | ? |
| TOWeb | Yes | Yes | No | Yes | No | Yes | Yes | ? | Yes | Yes |
| Editor | WYSIWYG | FTP Upload | WebDAV Upload | Server-side scripting | Shared editing | Spell checking | Templates | Templates Update Sync | Page Preview | Form Handler |
Web technology support
| Editor | CSS2 | Frames | Java | JavaScript | XSLT | XHTML | MathML | XForms | RSS | Atom | XPath |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Amaya[9] | Partial | No | No | No | No | Yes | Yes | No | No | No | ? |
| Aptana | Yes | Yes | Yes | Yes | No | Yes | No | No | No | No | No |
| Arachnophilia | Yes | Yes | ? | Yes | ? | Yes | ? | ? | ? | ? | ? |
| Bluefish | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| BlueGriffon | Yes (via commercial proprietary add-on)[10] |
? | ? | ? | ? | Yes | Yes (via commercial proprietary add-on)[11] |
? | ? | ? | ? |
| Brackets | Yes | Yes | Yes | Yes | ? | Yes | ? | ? | Yes | Yes | ? |
| Claris Homepage | Partial | Yes | No | Yes | No | No | No | No | No | No | No |
| Codelobster | Yes | Yes | No | Yes | Yes | Yes | No | No | No | No | No |
| CoffeeCup HTML Editor | Yes | Yes | No | Yes | No | Yes | No | No | Yes | Yes | No |
| Dreamweaver | Yes | Yes | Yes | Yes | Yes | Yes | Partial | Yes | Yes | ? | Yes |
| Freeway | Yes | Yes | Partial | Yes | Yes | Yes | No | No | Yes | No | No |
| GoLive | Yes | Yes | Yes | Yes | No | Yes | No | No | No | No | No |
| HTML-Kit | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | No | No | No |
| KompoZer | Yes | No | Yes | Yes | No | Yes | No | No | No | No | No |
| LibreOffice | Yes | Yes | Yes (optional) | Yes (and Python) | Yes (that's how export works) | Yes | Yes | ? | ? | ? | ? |
| Maqetta | Yes | ? | No | Yes | ? | ? | ? | ? | ? | ? | ? |
| Microsoft Expression Web | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Microsoft FrontPage | Partial | Yes | Yes | Yes | Yes | Yes | Yes | No | No | No | No |
| Microsoft SharePoint Designer | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Microsoft Visual Web Developer | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Nvu | Yes | No | No | Yes | No | Yes | No | No | No | No | No |
| openElement | Yes | Yes | Yes | Yes | No | Yes | No | No | Yes | No | No |
| OpenOffice.org | Yes | Yes | ? | Yes | Yes | Yes | Yes | ? | ? | ? | ? |
| oXygenXML Editor | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Quanta Plus | Yes | Yes | Yes | Yes | Yes | Yes | ? | Yes | Yes | ? | Yes |
| RocketCake | Yes | No | Yes | Yes | ? | ? | ? | No | No | No | ? |
| SeaMonkey Composer | Yes | Yes | No | Yes | No | Yes | Yes (rendering, but no tools) | No | No | No | ? |
| TOWeb | Yes | Yes | Yes | Yes | No | Yes | Yes | No | Yes | No | No |
| Web Architect | Yes | Yes | Yes | Yes | Yes | Yes | No | No | Yes | Yes | ? |
| WebStorm IDE | Yes | Yes | No | Yes | Yes | Yes | No | No | ? | ? | Yes |
| Editor | CSS2 | Frames | Java | JavaScript | XSLT | XHTML | MathML | XForms | RSS | Atom | XPath |
HTML/XHTML specification support
| Specification | HTML 3.2 | HTML 4.01 | HTML 5 | XHTML 1.0 | XHTML 1.1 | Validating | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Variant | strict | trans. | f.set | strict | trans. | f.set | ||||
| Amaya | No | No | Yes | No | No | Yes | Yes | No | Yes | Yes |
| Aptana | ? | Yes | Yes | ? | Yes | Yes | Yes | Yes | Yes | ? |
| Arachnophilia | ? | ? | ? | ? | No | Yes | ? | ? | ? | Yes |
| Bluefish | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes[12] |
| BlueGriffon | No | Yes | Yes | ? | Yes | Yes | Yes | ? | ? | ? |
| Brackets | ? | ? | ? | ? | Yes | ? | ? | ? | ? | ? |
| Claris Homepage | ? | ? | ? | ? | No | ? | ? | ? | ? | ? |
| Codelobster | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| CoffeeCup HTML Editor | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Contribute | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Dreamweaver | Yes | Yes | Yes | Yes | Yes [13] | Yes | Yes | Yes | Yes | Yes |
| Freeway | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | No | Yes |
| GoLive | Yes | Yes | Yes | No | No | Yes | Yes | Yes | Yes | ? |
| HTML-Kit | ? | ? | Yes | ? | No | ? | Yes | ? | ? | Yes |
| LibreOffice | ? | Yes | Yes | ? | Yes | Yes | Yes | ? | Yes | ? |
| KompoZer | No | Yes | Yes | No | No | Yes | Yes | No | No | Yes |
| Maqetta | ? | ? | ? | ? | Yes | ? | ? | ? | ? | ? |
| Microsoft Expression Web | No | Yes | Yes | Yes | Yes[14] | Yes | Yes | Yes | Yes | Yes |
| Microsoft FrontPage | ? | ? | ? | ? | No | ? | ? | ? | ? | ? |
| Microsoft SharePoint Designer | ? | ? | ? | ? | No | ? | ? | ? | ? | ? |
| Microsoft Visual Web Developer | ? | ? | ? | ? | No | ? | ? | ? | ? | ? |
| Mozilla Composer | ? | ? | ? | ? | No | ? | ? | ? | ? | ? |
| openElement | ? | ? | ? | ? | Yes | ? | ? | ? | ? | Yes |
| OpenOffice.org | ? | Yes | Yes | ? | Yes | Yes | Yes | ? | Yes | ? |
| oXygenXML Editor | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Quanta Gold | ? | ? | ? | ? | No | ? | ? | ? | ? | ? |
| Quanta Plus | ? | ? | ? | ? | No | ? | ? | ? | ? | ? |
| RocketCake | ? | ? | Yes | ? | Yes | ? | ? | ? | ? | ? |
| SeaMonkey Composer | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| TOWeb | No | No | No | No | Yes | No | No | No | No | Yes |
| Web Architect | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes[15] |
| WebStorm IDE | ? | ? | ? | ? | Yes | ? | ? | ? | ? | ? |
| Variant | strict | trans. | f.set | strict | trans. | f.set | ||||
| Specification | HTML 3.2 | HTML 4.01 | HTML 5 | XHTML 1.0 | XHTML 1.1 | Validating | ||||
Image format support
Image file formats are standardized means of organizing and storing digital images. Image files are composed of digital data in one of several formats. Some formats of image files may be preferred by website designers for smaller file size and higher image quality. Here are the most popular formats of image files and the table below makes a comparison about whether the software for website design can display the file format on the web page.
| Editor | JPEG | GIF | PNG | TIFF | SVG |
|---|---|---|---|---|---|
| Amaya | Yes | Yes | Yes | Yes | Yes |
| Aptana | Yes | Yes | Yes | Yes | Depends |
| Arachnophilia | ? | ? | ? | ? | ? |
| Bluefish | Yes | Yes | Yes | Yes | Yes |
| BlueGriffon | Yes | Yes | Yes | ? | Yes |
| Brackets | Yes | Yes | Yes | No | Yes (via extension)[16] |
| Claris Homepage | Yes | Yes | No | No | No |
| Codelobster | Yes | Yes | Yes | No | No |
| CoffeeCup HTML Editor | Yes | Yes | Yes | Yes | No |
| Dreamweaver | Yes | Yes | Yes | Yes | Yes |
| Freeway | Yes | Yes | Yes | Yes | Yes |
| GoLive | Yes | Yes | Yes | No | Yes |
| KompoZer | Yes | Yes | Yes | No | No |
| Maqetta | ? | ? | ? | ? | ? |
| Microsoft Expression Web | Yes | Yes | Yes | Yes | No |
| Microsoft FrontPage[17] | Yes | Yes | Yes | ? | Depends |
| Microsoft SharePoint Designer | Yes | Yes | Yes | Yes | No |
| Microsoft Visual Web Developer | Yes | Yes | Yes | Yes | No |
| Mobirise | Yes | Yes | Yes | Yes | Yes |
| Nvu | Yes | Yes | Yes | No | No |
| openElement | Yes | Yes | Yes | No | No |
| OpenOffice.org | Yes | Yes | Yes | Yes | Yes |
| oXygenXML Editor | Yes | Yes | Yes | Yes | Yes |
| Quanta Plus | Yes | Yes | Yes | Yes | Yes |
| RocketCake | Yes | Yes | Yes | No | No |
| SeaMonkey Composer | Yes | Yes | Yes | No | Yes |
| TOWeb | Yes | Yes | Yes | No | No |
| Web Architect | Yes | Yes | Yes | Yes | Depends |
| WebStorm IDE | Yes | Yes | Yes | No | No |
| Editor | JPEG | GIF | PNG | TIFF | SVG |
Early HTML comparisons
The following is a comparison of early HTML editors.
| Program | Author or Based On | Version | System | HTML Compliant | Display | Forms | Tables | Integrated Browser | Cost |
|---|---|---|---|---|---|---|---|---|---|
| asWedit | Andrzej Stochniol | 1.1 | Unix | HTML 3 | source | Yes | Yes | No | freeware |
| HoTMetaL | SoftQuad | 1.0+ | Unix,Windows | HTML 1 | WYSIWYG | Partial | No | No | freeware |
| HoTMetaL pro | SoftQuad | 1 | Unix, Windows, Macintosh | HTML 2 | WYSIWYG | Yes | Yes | No | commercial |
| Live Markup | MediaTech | 16b4a | Windows | HTML 2 | WYSIWYG | No | No | No | commercial |
| Symposia | GRIF | 0.8 | Unix | HTML 2 | WYSIWYG | Yes | Yes | Yes | beta |
| Tkhtml | Liem Bahenmann | 2.3 | Unix | No | source | Yes | No | No | freeware |
| Phoenix | University of Chicago | 0.1.7 | Unix | No | WYSIWYG | No | No | Yes | freeware |
| WebPages | DART Software | 1.7 | NextStep | HTML 1 | WYSIWYG | No | No | No | commercial |
| WebMagic | SiliconGraphics | 1 | Irix | HTML 2 | WYSIWYG | No | No | No | commercial |
| Webtor | Jochen Schales | .91prealpha2 | Macintosh | HTML2 | WYSIWYG | No | No | No | freeware |
References
- "Paul Lutus". 2013-02-15. Retrieved 2013-02-16.
- Though the focus of this software is clearly XML, it covers so much of the HTML and XHTML features (all of them, basically) as well as generating HTML and XHTML based documents and sites (e.g. WebHelp, ePub, etc.) that leaving it out just appears a bit weird.
- Nvu/Kompozer can be built successfully on any platform with the Netscape Portable Runtime.
- [Google Chrome (current release), Mozilla Firefox 4 users can edit HTML if Maquetta is running in the cloud.]
- Nvu can be built successfully on any platform with the Netscape Portable Runtime.
- "Templates". www.w3.org.
- Bluegriffon's FireFTP ads shortcut to FTP client
- "BlueGriffon". www.bluegriffon.com.
- not Unicode-savvy
- http://www.bluegriffon.com/index.php?pages/CssEditor BlueGriffon's commercial proprietary CSS editor add-on
- http://www.bluegriffon.com/index.php?pages/MathML BlueGriffon's commercial proprietary MathML add-on
- External tools such as weblint and tidy are integrated
- Available with CS5 using the Adobe Dreamweaver Add-on pack available at http://labs.adobe.com/downloads/html5pack.html
- For error checking on markup and intellisense on tags and attributes an add-in is needed. This is available at http://gallery.expression.microsoft.com/en-us/Web4HTML5SchemaAddIn Archived 2011-01-03 at the Wayback Machine .
- External tools such as W3C validator services and tidy are integrated
- "peterflynn/svg-preview". April 1, 2019 – via GitHub.
- Actual amount of supported formats depend on installed converter. FrontPage uses Microsoft Office converters.
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