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Extra Keys

Add function keys, arrows, Tab, Ctrl


title: Extra Keys

description: Add custom keys to the bottom row

category: Customization

difficulty: intermediate

related_spec: ../specs/customization/extra-keys-spec.md


Extra Keys

Add custom keys to the bottom row of your keyboard for quick access to frequently used actions, characters, or modifiers.

Quick Summary

WhatDescription

PurposeAdd custom keys to bottom row
AccessSettings > Extra Keys
PositionLeft or right of spacebar

What Are Extra Keys?

Extra keys appear on the bottom row alongside the spacebar. They provide quick access to:

How to Add Extra Keys

Step 1: Open Settings

Step 2: Select Position

Choose where to add keys:

Step 3: Choose Keys

Available extra keys:

KeyDescription

CtrlControl modifier
AltAlt modifier
MetaMeta/Windows key
TabTab key
EscapeEscape key
ArrowsNavigation arrows
FnFunction key

Step 4: Arrange Order

Drag keys to reorder them. Keys closest to spacebar are easiest to reach.

Use Cases

Terminal/SSH Users

Add Ctrl, Alt, Tab, and Escape for terminal commands:

[Ctrl] [Alt] [Tab] [Space] [Esc] [Arrows]

Developers

Add keys for code editing shortcuts:

[Tab] [Ctrl] [Space] [Fn]

Power Users

Full modifier access:

[Esc] [Ctrl] [Alt] [Meta] [Space] [Tab]

Tips and Tricks

[!TIP]
Start with just Ctrl and Tab. Add more only if you need them.

Extra Keys vs Subkeys

FeatureExtra KeysSubkeys

AccessDirect tapSwipe gesture
PositionBottom rowOn any key
VisibilityAlways visibleHidden until swipe
Best forModifiersCharacters

Keyboard Layout Impact

Extra keys affect bottom row layout:

Extra KeysSpacebar Width

0Maximum
1-2Slightly reduced
3-4Moderately reduced
5+Significantly reduced

Settings

SettingLocationDescription

Extra KeysSettings > Extra KeysAdd/remove keys
Key OrderExtra KeysDrag to reorder
Key SizeExtra KeysAuto-sized

Common Questions

Q: Can I add custom characters as extra keys?

A: Currently, extra keys are limited to predefined actions. For custom characters, use subkey customization.

Q: Why is my spacebar so small?

A: Too many extra keys. Remove some to restore spacebar size.

Q: Do extra keys have subkeys?

A: Most extra keys have subkeys. Long-press or short swipe to access.

Related Features

Technical Details

See Extra Keys Technical Specification.

Per-Key Actions Themes