How to Tab (Indent) in Gmail
Last updated: September 13, 2026
Press Tab in most text editors and your cursor indents. Press it in Gmail's compose box and focus jumps to the next toolbar button instead, which throws people off the first time it happens. Here's why, the two built-in ways to actually indent, what changes on mobile, and how to get Tab itself to behave the way you'd expect.
Why Tab doesn't indent by default
Gmail's compose box is a web page, and browsers reserve Tab for keyboard navigation between controls, so it can be used without a mouse. Gmail keeps that behavior inside compose too: pressing Tab moves focus through the formatting toolbar's buttons rather than typing anything into the message. It's not a bug, it's the browser accessibility default, and Gmail hasn't overridden it.
Indenting with the toolbar
- Click Formatting options (the A with an underline) at the bottom of the compose window to open the formatting toolbar, if it isn't already visible.
- Place your cursor on the line you want to indent.
- Click Indent more to indent, or Indent less to remove one level.
Indenting with a keyboard shortcut
Once your cursor is in the compose body, you don't need the toolbar at all:
Ctrl+](Cmd+]on Mac) indentsCtrl+[(Cmd+[on Mac) removes one level of indent
Both apply to the current line or, if you have text selected, to every selected line at once, which makes indenting a list or a block of quoted text a single keystroke rather than a manual edit per line.
Indenting in the Gmail mobile app
The Gmail app on Android and iOS doesn't have a formatting toolbar and has no way to indent at all, not with Tab, not with a gesture, not with a setting. The common workaround is writing the indented text somewhere that does support it, a notes app or a document, then copying and pasting it into the Gmail app: the paste keeps the spacing as plain characters rather than real indent formatting, but it looks right to the recipient.
Making the Tab key itself indent
None of the above changes what the Tab key does. If you actually want Tab to insert an indent the way it does in a word processor, that requires overriding Gmail's own keyboard handling, which isn't a setting Gmail offers.
Compose Enhancer for Gmail, a free Chrome extension, does exactly that: it intercepts Tab only while your cursor is inside the compose message body and inserts an indent instead of moving focus. Tab still works normally everywhere else in Gmail, including the To, Cc, and Subject fields and the rest of the toolbar. Shift+Tab outdents, matching the behavior most text editors use.
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How do I tab in Gmail?
Pressing Tab in compose moves focus to the next toolbar button by default, rather than indenting. To indent, use the Indent more button under Formatting options, or press Ctrl+] (Cmd+] on Mac). Ctrl+[ or Cmd+[ removes a level of indent.
Why does Tab move focus instead of indenting in Gmail?
Gmail's compose box treats Tab as a browser accessibility control, moving keyboard focus between toolbar buttons rather than inserting an indent.
Is there a keyboard shortcut to indent in Gmail?
Yes. Ctrl+] (Cmd+] on Mac) indents, Ctrl+[ (Cmd+[ on Mac) removes a level of indent. Both work anywhere in the compose body.
Can I indent text in the Gmail mobile app?
No. The Gmail app has no formatting toolbar for indenting. The common workaround is writing the indented text in a notes app or word processor, then copying it into the Gmail app.
How do I make the Tab key itself indent in Gmail?
Gmail has no setting for this. Compose Enhancer for Gmail intercepts Tab only inside the compose message body and inserts an indent instead of moving focus, leaving Tab's normal behavior everywhere else.