: Which tool can tidy/indent HTML5? I've already spent about 2 hours searching google and trying various tools but either they don't do indent tags per say or they aren't HTML5 compatible such

@Cooney921

Dirtymarkup.com is my go to for quickly formatting HTML and JS.

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@Speyer207

Eclipse seems to do a decent job of indenting/formatting HTML5. You just use the usual format command (Ctrl-Shift-F) on an HTML file loaded in the HMTL editor and it will reformat it.

To adjust it, go to preferences --> web --> html files --> editor. You can also control validation here. (I'm using Eclipse v4.2.2.)

Note that the HTML editor requires that your Eclipse installation include the Web Tools Platform (see this answer for details).

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@Hamaas447

JetBrains PhpStorm works great and intuitive with indents in HTML, CSS or PHP.
Type of indent (tabs or spaces) you can change in PHPStorm settings.

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@Michele947

If you're looking for a Mac OS X tool that does the job, I'd say TextMate.

I usually do a lot of re-indenting and the best one that I've been able to find has been that one.

What I like is that it doesn't actually rearranges your code, but it re-indents it, in a form that checks the nesting and indents by level, not by tags.

The "Indent Selection" feature is specially useful.

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@Dunderdale272

There's now an HTML5 version of tidy, found here: github.com/w3c/tidy-html5.

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@Kristi941

I humbly suggest Espresso 2.

From their website:


The one and only CSSEdit 3 — CSSEdit's award-winning visual tools, now
inside Espresso. With awesome CSS3 support for multi-browser
gradients, shadows and more.

Web Preview with X-ray — See how your CSS affects web layouts,
visualize margins and padding, and quickly find the relevant style
rules for any page element.

Powerful and Efficient Coding — CodeSense, code folding, smart
snippets, Zen coding and the drag-and-drop Navigator help you write
better code in less time.

Live Styling and Overrides — Edit any website's CSS and see it update
in real-time. No need to save, publish or reload. Experimenting and
tweaking has never been this fun.

Effortless Sync and Publishing — With Quick Publish, Server Sync and
Browse, you have the right tool for any server-based workflow. The new
Vroom engine is super-fast.

A Workspace That Fits Into Your Workflow — The innovative Workspace
gives you the flexibility of Tabs while integrating smoothly with your
Project files.

Fantastic Find — Needle and haystack, meet Espresso. Project-wide Find
and Replace, Quick Filter and colorized regex make searching through
files or text a breeze.

Language Support — Improved HTML5, CSS3, JavaScript and PHP; all-new
Ruby, Python, Apache and Markdown. Or extend Espresso with XML/JS
Sugars.


You could read a review from Mac Appstorm to have an idea of the quality. They give it 10/10.

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@Vandalay111

I was looking for an online tool and that's probably why I failed to find anything.
I was pointed to the Coda plugin PHP & Toolkit that does it.
Also most HTML editors like Taco do it natively (but not Coda).

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@Odierno851

Aptana Studio 2 does what you want in the menu Edit > Format. I've used it and it formats html, css and javascript.

The WYSIWYG editor BlueGriffon also can also format html when you open a file.

Both solutions are free and open-source, but Aptana might be better. I'm not sure if BG keeps all the code unchanged, probably not.

Notes:


Aptana 2 needs to be properly configured after you install it, but
it's a great html5/css/javascript editor/IDE. The default config sucks a little.
Aptana 3 might not do what you want. The version I've tried didn't
do it.

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