The below table gives a description of the behaviour for each of the default Keyboard shortcuts.

 

Shortcut CommandActionText Focus Status
Media
Space Toggle play pauseNo textfield
CTRL + Space Toggle play pause
CTRL + ALT + Space Play/pause active title
CTRL + SHIFT + Space Play/pause active title from out cue
CTRL + L Loop selected titles
CTRL + ArrowLeft Skip 1 frame backwardNo textfield
CTRL + ArrowRight Skip 1 frame forwardNo textfield
CTRL + SHIFT + - [Numpad] Skip  12 frames backwards
CTRL + SHIFT + + [Numpad] Skip  12 frames forwards
CTRL + 1 [Numpad] Skip  1 second backwards
CTRL + 3 [Numpad] Skip  1 second forwards
CTRL + ALT + ArrowLeft Skip  1 second backwards
CTRL + ALT + ArrowRight Skip  1 second forwards
ALT + ; Skip  5 seconds backwards
ALT + . Skip  5 seconds forwards
Home Jump to in cue of current titleNo textfield
ALT + Home Jump to in cue of current title
End Jump to out cue of current titleNo textfield
ALT + End Jump to out cue of current title
ALT + 3 [Numpad] Jump to next shotchange
ALT + 9 [Numpad] Jump to previous shotchange
ALT + Enter Toggle full screen
SHIFT + ALT + F2 Toggle playback speed  200%
SHIFT + ALT + F5 Toggle playback speed  50%
SHIFT + ALT + F1 Toggle playback speed  100%
SHIFT + ALT + F7 Toggle playback speed  75%



Selection
CTRL + P Select currently shown title
PageUp Select previous title
PageDown Select next title
CTRL + Home Select first title
CTRL + SHIFT + Home Select from current position to start
CTRL + SHIFT + End Select from current position to end
CTRL + End Select last title
CTRL + A Select all titlesNo textfield
CTRL + SHIFT + A Deselect all titlesNo textfield
ALT + E Select first empty title
CTRL + ALT + PageDown Go to next title with comment
CTRL + ALT + PageUp Go to previous title with comment
ALT + PageDown Go to next title with errors
ALT + PageUp Go to previous title with errors
CTRL + SHIFT + PageUp Go to previous title with annotation
CTRL + SHIFT + PageDown Go to next title with annotation
CTRL + G Go to title / Quick search
CTRL + ALT + End Focus text / Go to end of text
CTRL + ALT + Home Focus text start / Go to beginning of text
CTRL + ALT + 2 Focus second text / Go to end of second text
ALT + 2 Focus second text start / Go beginning of second text
CTRL + SHIFT + ALT + C Focus characters module
ALT + C Focus comments
Escape Remove focus



Edit
SHIFT + Insert Add title at current time
CTRL + SHIFT + Insert Add title after last title
CTRL + Delete Delete selected titlesNo textfield
+ [Numpad] Set in cue to current timeNo textfield
- [Numpad] Set out cue to current timeNo textfield
CTRL + ALT + + [Numpad] Set in cue to current time and glue
CTRL + ALT + 0 [Numpad] Set out cue to current time and glue
CTRL + 4 [Numpad] Subtract1 frame to in cue 
CTRL + 6 [Numpad] Add1 frame from in cue 
ALT + 4 [Numpad] Subtract1 frame to out cue 
ALT + 6 [Numpad] Add1 frame from out cue 
SHIFT + ALT + - [Numpad] Subtract1 frame to in cue and glue 
SHIFT + ALT + + [Numpad] Add1 frame from in cue and glue 
CTRL + ALT + 4 [Numpad] Subtract1 frame to out cue and glue 
CTRL + ALT + 6 [Numpad] Add1 frame from out cue and glue 
ALT + F6 Split title at cursor position
ALT + / [Numpad] Split title at cursor position
CTRL + F6 Split title and duplicate text
CTRL + F7 Merge with next/selected titles
CTRL + M Merge with next/selected titles
CTRL + ALT + F7 Merge title with previous title
CTRL + SHIFT + M Merge title with previous title
CTRL + SHIFT + C Copy selected subtitles to clipboard
CTRL + SHIFT + V Paste copied subtitles from clipboard
ALT + O Toggle open for selected titles
CTRL + Z Undo
CTRL + Y Redo
CTRL + ALT + 8 [Numpad] Send first word to previous title
CTRL + ALT + 2 [Numpad] Send last word to next title
CTRL + 8 [Numpad] Send first word of second line to first line
CTRL + 2 [Numpad] Send last word of first line to second line
CTRL + SHIFT + G Glue selected to next
ALT + 0 [Numpad] Adjust previous end frame
ALT + + [Numpad] Adjust next start frame
ALT + I Toggle italic text in blue
CTRL + B Toggle text bold
CTRL + I Toggle text italic
CTRL + U Toggle text underline
CTRL + SHIFT + B Toggle text bold + italic
CTRL + SHIFT + ALT + B Toggle text bold + italic + underline
SHIFT + ALT + B Toggle text bold + underline
CTRL + SHIFT + U Toggle text italic + underline
CTRL + R Position of active subtitle top
CTRL + 0 Remove position information of active subtitle
CTRL + ALT + Backspace Apply last changed position
ALT + ArrowUp Move  1%     up
ALT + ArrowDown Move  1%     down
SHIFT + ALT + ArrowUp Move  5%     up
SHIFT + ALT + ArrowDown Move  5%     down
ALT + ArrowRight Move  1%     right
ALT + ArrowLeft Move  1%     left
SHIFT + ALT + ArrowRight Move  5%     right
SHIFT + ALT + ArrowLeft Move  5%     left



Timeline
CTRL + ALT + ArrowDown Center timeline
ArrowUp Zoom in (relative to view)No textfield
ArrowDown Zoom out (relative to view)No textfield
CTRL + SHIFT + ArrowUp Zoom selected
CTRL + SHIFT + ArrowDown Zoom out max
ALT + W Toggle waveform



Insert text
CTRL + 1 Insert  â™ª
CTRL + 2 Insert  â™«



Windows
ALT + F12 Open autocorrection window
CTRL + O Open open-file window
CTRL + F1 Open import window
CTRL + E Open export window
CTRL + F Open find and replace window
CTRL + H Open history window
CTRL + SHIFT + O Open offset-titles window
CTRL + SHIFT + F Open batch-fields window



Workspace
CTRL + ALT + F1 Default
CTRL + ALT + F2 Player and timeline
CTRL + ALT + F3 Smaller timeline
CTRL + ALT + F4 Full overview
CTRL + ALT + F5 Mirror default
CTRL + ALT + F6 Mirror smaller timeline 
CTRL + ALT + F8 Mirror full overview
ALT + A Custom workspace A
ALT + B Custom workspace B
CTRL + ALT + F9 Last changed workspace
ALT + L Toggle List



Other
CTRL + S Save




Not all Shortcuts are part of the default list. 
However, you can create and add your own keyboard shortcuts for these actions via the "Add Shortcut +" button.