From Platypus Firefox Add-on page:

Platypus is a Firefox extension which lets you modify a Web page from your browser -- "What You See Is What You Get" -- and then save those changes as a Greasemonkey script so that they'll be repeated the next time you visit the page.

This is very practical, for instance, if you want to fix rendering errors in a site you use but have no control over (like most IE-only sites).

Is there a similar extension for for Chrome?


I had a look, but I couldn't find any. However, Google Chrome comes with developer tools (It's not really a WYSIWYG editor, more like a html/css/javascript editor.) that could do what you need them to do. Press F12 to access them.

  • Can I make the changes persistent? – Zano Nov 22 '11 at 11:47
  • No, You can't make them save, unless there is a extension for it. – Mythrillic Nov 26 '11 at 1:08


javascript: document.body.contentEditable ='true';document.designmode ='on'; void 0

Copy/paste that into your browser's URL bar, but you can save as a bookmark, too.

To save, just Ctrl+Shift+I and copy the source code. That is the only real way to save the code.

  • Cool, this is handy. – dacc Jan 1 '13 at 2:30

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