> ## Documentation Index
> Fetch the complete documentation index at: https://docs.labellerr.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Labellerr Shortcut Keys Guide

> Master keyboard shortcuts to speed up your annotation workflow in Labellerr across different data types.

## Keyboard Shortcuts Reference

| Category        | Action                                       | Shortcut                                 |
| --------------- | -------------------------------------------- | ---------------------------------------- |
| **General**     | Toggle shortcuts menu                        | `f1`                                     |
|                 | Delete an active object                      | `del` or `backspace`                     |
|                 | Toggle annotation question                   | `1-9`                                    |
|                 | Zoom in                                      | `alt + i`                                |
|                 | Zoom out                                     | `alt + k`                                |
|                 | Move image position                          | `ctrl + mouse left button` (hold & drag) |
|                 | Reset image position                         | `r`                                      |
|                 | Copy selected bounding box                   | `ctrl + c`                               |
|                 | Paste selected bounding box                  | `ctrl + v`                               |
|                 | Undo action                                  | `ctrl + z`                               |
|                 | Redo action                                  | `ctrl + y`                               |
| **Annotations** | Deselect selected annotation                 | `ctrl + d`                               |
|                 | Toggle visibility of all annotations         | `h`                                      |
|                 | Edit attributes of selected annotation       | `e`                                      |
|                 | Toggle grouping mode                         | `ctrl + g`                               |
|                 | Create in-progress polygon anchors           | `shift + mouse move`                     |
|                 | Complete in-progress polygon object          | `n`                                      |
|                 | Remove in-progress polygon object            | `del` or `backspace`                     |
|                 | Remove in-progress polygon anchor            | `mouse right click`                      |
|                 | Increase transparency of polygon annotations | `shift + t + +`                          |
|                 | Decrease transparency of polygon annotations | `shift + t + -`                          |
| **Audio**       | Play/Pause                                   | `space`                                  |
|                 | Delete selected segment                      | `del` or `backspace`                     |
|                 | Deselect selected segment                    | `ctrl + d`                               |
|                 | Zoom in                                      | `ctrl + +`                               |
|                 | Zoom out                                     | `ctrl + -`                               |
| **Video**       | Play/Pause                                   | `space`                                  |
|                 | Previous frame                               | `left arrow`                             |
|                 | Next frame                                   | `right arrow`                            |
|                 | Skip to start frame                          | `ctrl + shift + left arrow`              |
|                 | Skip to end frame                            | `ctrl + shift + right arrow`             |
|                 | Interpolate all bounding boxes and dots      | `shift + t`                              |

<Tip>
  Press `f1` at any time while annotating to see the shortcuts menu directly in the interface.
</Tip>