The following shortcut keys work in the HTML editor:

Working with a Document

Escape – Closes a dialogue window, drop-down list, or context menu in the editor.

Enter – Selects a function in the toolbar, drop-down list, or context menu.

Shift+F10 – Opens the current element's context menu.

Navigation

Home – Jumps to the beginning of the line.

Ctrl+Home – Jumps to the beginning of the document.

End – Jumps to the end of the line.

Ctrl+End – Jumps to the end of the document.

PgDn – Scrolls down the document, approximately by the length of the editing area.

PgUp – Scrolls up the document, approximately by the length of the editing area.

Writing

Enter – Ends a paragraph and starts a new one (by inserting HTML <p> paragraph tags).

Shift+Enter – Adds a line break, by inserting the HTML <br/> tag.

Shift+Ctrl+3 – Enables entering content (by adding a new paragraph) before a problematic element such as an image, table or <div> element that starts or ends a document, list, or even adjacent horizontal lines.

Shift+Ctrl+4 – Enables entering content (by adding a new paragraph) after a problematic element such as an image, table or <div> element that starts or ends a document, list, or even adjacent horizontal lines.

Backspace, Del – Deletes a character.

Ctrl+Backspace, Ctrl+Del – Deletes a word.

Shift+Space – Non-breaking space (inserts the &nbsp; HTML entity). Note: This character is indistinguishable from a normal (breaking) space in rich-text view but it can affect line wrapping so be careful to avoid inserting these characters unintentionally.

Undo and Redo

Ctrl+Z – Performs the undo operation.

Ctrl+Y, Shift+Ctrl+Z – Performs the redo operation.

Cut, Copy and Paste

Ctrl+X, Shift+Del – Cuts the selected content to the clipboard.

Ctrl+C – Copies the selected content to the clipboard.

Ctrl+V, Shift+Insert – Pastes a text fragment from the clipboard.

ALT+Q – Pastes the contents of the clipboard as plain text (stripping all formatting). Note: This works in most web browsers except Internet Explorer.

ALT+W – Paste from MS-Word, converting some basic formatting into HTML and discarding other mark-up.

Text Selection

Ctrl+A – Selects all document contents.

Shift+Arrow – Selects content by letters.

Ctrl+Shift+Arrow – Selects content by words.

Shift+Home – Selects content from the cursor to the beginning of the line.

Shift+End – Selects content from the cursor to the end of the line.

Ctrl+Shift+Home – Selects content from the cursor to the beginning of the document.

Ctrl+Shift+End – Selects content from the cursor to the end of the document.

Shift+PgDn – Selects content of approximately the length of the editing area starting from the cursor and going down.

Shift+PgUp – Selects content of approximately the length of the editing area starting from the cursor and going up.

Text Styling

Ctrl+B – Applies bold formatting to a text fragment.

Ctrl+I – Applies italics formatting to a text fragment.

Ctrl+U – Applies underline formatting to a text fragment.

Rich Text

Ctrl+L – Opens the Link dialog window.

Tab – Indents a list.

Shift+Tab – Outdents a list.

Note: Clicking the right mouse-button in the HTML editor will open a special context menu. You can override this and open the standard browser context-menu by holding down the CTRL key and right-clicking with the mouse.