Android Studio (Windows)

General Shortcuts

Quick documentation lookup

Ctrl + Q

All hotkeys for Android Studio (Windows)

General Shortcuts
Go to file

Ctrl + Shift + N

General Shortcuts
Navigate open tabs

Alt + Arrow Left / Arrow Right

General Shortcuts
Lookup recent files

Ctrl + E

General Shortcuts
Go to line

Ctrl + G

General Shortcuts
Navigate to last edit location

Ctrl + Shift + Backspace

General Shortcuts
Go to declaration

Ctrl + B

General Shortcuts
Go to implementation

Ctrl + Alt + B

General Shortcuts
Go to source

F4

General Shortcuts
Go to super Class

Ctrl + U

General Shortcuts
Show Call hierarchy

Ctrl + Alt + H

General Shortcuts
Search in path/project

Ctrl + Shift + F

General Shortcuts
Reformat code

Ctrl + Alt + L

General Shortcuts
Optimize imports

Ctrl + Alt + O

General Shortcuts
Code Completion

Ctrl + Space

General Shortcuts
Issue quick fix

Alt + Enter

General Shortcuts
Surround code block

Ctrl + Alt + T

General Shortcuts
Rename and refactor

Shift + F6

General Shortcuts
Line Comment or Uncomment

Ctrl + /

General Shortcuts
Block Comment or Uncomment

Ctrl + Shift + /

General Shortcuts
Go to previous/next method

Alt + UP/DOWN
General Shortcuts
Show parameters for method

Ctrl + P

General Shortcuts
Quick documentation lookup

Ctrl + Q

General Shortcuts
Delete line

Ctrl + Y

General Shortcuts
Safe Delete

Alt + Delete

General Shortcuts
Close Active Tab

Ctrl + F4

General Shortcuts
Build and run

Shift + F10

General Shortcuts
Build

Ctrl + F9

General Shortcuts
All purpose (Meta)Shortcut

Ctrl + Shift + A

Text Basic Shortcuts
Copy

Ctrl + C

Text Basic Shortcuts
Paste

Ctrl + V

Text Basic Shortcuts
Save

Ctrl + S

Text Basic Shortcuts
Open

Ctrl + O

Text Basic Shortcuts
Find

Ctrl + F

Text Basic Shortcuts
Find and Replace

Ctrl + H

Similar combinations for other applications

Open Office Writer 3 (Linux)
Quit KDevelop
Manage Files

Ctrl + Q

Novell Evolution 2 (Linux)
Quit program
General

ctrl + q

Microsoft OneNote 2010 (Windows)
Mark the current page as Unread.
Various Other OneNote Shortcuts - Sharing Notes with other People or Programs

ctrl + q

Microsoft Outlook 2010 (Windows)
Mark as read or unread
Messages in Main View - Message List and Single Messages

Ctrl + Q / Ctrl + U

Eclipse Helios (Windows)
Jump to last location edited
Navigate in Editor

Ctrl + Q

Adobe Reader 9 (Linux)
Exit (close all documents)
Acrobat Features

Ctrl + q

Adobe Reader X (Windows)
Exit (close all documents)
Acrobat Features

Ctrl + Q

KDevelop (Linux)
Quit KDevelop
Manage Files

Ctrl + Q

Firefox (Linux)
Close current browser tab
Navigation

Ctrl + W / Ctrl + Q

Microsoft Outlook 2010 (Windows)
Remove paragraph formatting
Messages in Main View - Format Message Body

Ctrl + Q

Thunderbird (Windows)
Exit
Other Shortcuts

Ctrl + Q

Tally 9.0 (Windows)
Abandon a form – wherever you use this key combination, it quits that screen without making any changes to it.
General Shortcuts

Ctrl + Q

Thunderbird (Linux)
Exit
Other Shortcuts

Ctrl + Q

SharpDevelop 4.0 (Windows)
Create quick XML documentation
SharpDevelop Features

Ctrl + Q

Microsoft Outlook 2010 (Windows)
Mark as read or unread
Messages in Compose View - Message List and Single Messages

Ctrl + Q / Ctrl + U

Phoenix Viewer (Windows)
Quit
File

Ctrl + Q

Notepad++ 5 (Windows)
Toggle block comment
Edit - Comment / uncomment

Ctrl + Q

Notepad++ 5 (Windows)
Toggle block comment
Search - Comment / uncomment

Ctrl + Q

Microsoft Outlook 2010 (Windows)
Remove paragraph formatting
Messages in Compose View - Format Message Body

Ctrl + Q

Vuescan (Windows)
Quit
14 Shortcuts for Vuescan (Windows)

Ctrl + Q

Microsoft Outlook 2010 (Windows)
Mark as read or unread
Calendar Shortcuts - Message List and Single Messages

Ctrl + Q / Ctrl + U

Microsoft Word 2007 (Windows)
Remove paragraph formatting.
Character and paragraph formatting Align paragraphs

Ctrl + Q

Total Commander 8 (Windows)
Quick view panel instead of file window
Main Shortcuts

Ctrl + q

Evernote (Windows)
Exit application
Main Application Shortcuts - Managing Evernote

Ctrl + q

Microsoft Outlook 2010 (Windows)
Remove paragraph formatting
Calendar Shortcuts - Format Message Body

Ctrl + Q

UltraEdit (Windows)
Open an existing document without showing File Open dialog
File Menu

Ctrl + Q

Oracle SQL Developer 4 (Windows)
Go to Next/ Previous Bookmark
Navigate

Ctrl + Q / Ctrl + Shift + Q

AutoCAD 2012 (Windows)
Exit
Manage Drawings

Ctrl + Q

Texmaker 4.0.2 (Windows)
Exit
"File" menu

Ctrl + Q

FreeMind 0.9.0 (Windows)
Quit
File commands

Ctrl + Q

Vuescan (Linux)
Quit
12 Shortcuts for Vuescan (Linux)

Ctrl + Q

NetBeans 8 (Windows)
Go backward/forward/to last edit
General Keyboard Shortcts

Alt + Left Arrow / Alt + Right Arrow / Ctrl + Q

IntelliJ (Linux)
Quick documentation lookup
Editing

Ctrl + Q

IntelliJ (Windows)
Quick documentation lookup
Editing

Ctrl + Q

Audacity 2 (Windows)
Exit
File Menu

Ctrl + Q

Directory Opus (Windows)
FTP connect...
FTP Menu

Ctrl + Q

NetBeans 8 (Windows)
Set request parameters
Compiling, Testing, and Running

Ctrl + Q

Presonus Studio One (Windows)
Quit
File Menu

Ctrl + Q

Beyond Compare (Windows)
Exit
Session Menu

Ctrl + Q

Adobe Reader X (Linux)
Exit (close all documents)
Acrobat Features

Ctrl + Q

Pro Tools (Windows)
Exit
File Menu

Ctrl + Q

Axialis IconWorkshop (Windows)
New - Icon project from clipboard...
File Menu

Ctrl + Q

Qt Creator (Windows)
Exit Qt Creator
General

Ctrl + Q

Qt Creator (MacOS)
Exit Qt Creator
General

Ctrl + Q

Autodesk Maya 2015 (Windows)
File - Exit
File Operation

Ctrl + Q

Notepad++ 6 (Windows)
Single line comment
Edit menu

Ctrl + Q

FL Studio (Windows)
Quick quantize
Piano Roll Action

Ctrl + Q

Linux Mint (Linux)
Close all windows
File Manager (Nemo) - General

Ctrl + Q

Adobe After Effects CC (Windows)
Quit
Basics

Ctrl + Q

Adobe Photoshop CC (Windows)
Quit PhotoShop
Basic Shortcuts for Photoshop CC 2015 - File Basics

Ctrl + Q

Clink (Windows)
reload-lua-state
BASH (GNU Readline) Line Editing

Ctrl + Q

Sonos Controller (Windows)
Play Selection later
22 Shortcuts for Sonos Controller (Windows)

Ctrl + Q

Autodesk Maya 2017 (Windows)
File - Exit
File Operation

Ctrl + Q

Microsoft Outlook 2016 (Windows)
Remove paragraph formatting
Common Commands: Format Text and work with Editor

Ctrl + Q

Onshape (Windows)
Update drawing
Drawings

Ctrl + Q

Microsoft PowerPoint 2016 (Windows)
Save Presentation
Edit and General Text Operations

Ctrl + S / Ctrl + Q

Microsoft OneNote 2016 (Windows)
Mark current page as unread
Outlook 2016 Integration

Ctrl + Q

Adobe Premiere CC (Windows)
Exit
General Shortcuts

Ctrl + Q

Microsoft Outlook 2016 (Windows)
Mark as read/unread
Mail

Ctrl + Q / Ctrl + U

Nuke 10 (Windows)
Quit Application
Global Shortcuts

Ctrl + Q

Nuke 10 (Linux)
Quit Application
Global Shortcuts

Ctrl + Q

FileMaker Pro (Windows)
Exit or quit FileMaker Pro
General keyboard shortcuts (Windows)

Alt + F4 / Ctrl + Q

Adobe Photoshop CC (Windows)
Quit PhotoShop
Manage Panels - File Basics

Ctrl + Q

Corel Painter 2017 (Windows)
Quit
General Shortcuts

Ctrl + Q

Finale (Windows)
Quit
File Menu

Ctrl + Q / Alt + F4

InDesign CC (Windows)
Quit Application
File Menu Shortcuts

Ctrl + Q

CINEMA 4D (Windows)
Quit
File

Ctrl + Q

ArchiCAD 20 (Windows)
Quit
File Menu Commands

Ctrl + Q

Anime Studio (Windows)
Quit
General Shortcuts

Ctrl + Q

Hexagon 2 (Windows)
Quit
General Shortcuts

Ctrl + Q

Zoho Writer (Windows)
To Insert Equations
Format Tab

Ctrl + Q

Dynamics GP 2015 (Windows)
Account Alias
General Shortcuts

Ctrl + Q

Windows Movie Maker (Windows)
Rewind and go to the beginning of the storyboard/timeline
On timeline

Ctrl + Q

Dynamics GP 2015 (Windows)
Sales Transaction Entry— Quick Print
Window Specific Keyboard Shortcuts

Ctrl + Q

GIMP (Linux)
Quit
File

Ctrl + Q

Apple Photos (Windows)
Quit iPhoto
General

Ctrl + Q

GIMP (Windows)
Quit
File operations

Ctrl + Q

AutoCAD 2016 (Windows)
Quits the application
General

Ctrl + Q

Silhouette Studio (Windows)
Quit
File/Project

Ctrl + Q

AutoCad Architecture 2017 (Windows)
Quit
General

Ctrl + Q

TextMate 2 (MacOS)
Reformat Paragraph
General Shortcuts

Ctrl + Q

JetBrains RubyMine (Windows)
Quick Documentation Lookup
Editing Shortcuts

Ctrl + Q

JetBrains RubyMine (Linux)
Quick Documentation Lookup
Editing Shortcuts

Ctrl + Q

Amazon Kindle (Windows)
Quit Application
Global Shortcuts

Ctrl + Q

FileZilla (Windows)
Exit
28 Shortcuts for FileZilla (Windows)

Ctrl + Q

JetBrains PyCharm (Windows)
Quick Documentation Lookup
Editing

Ctrl + Q

Windows 10 File Explorer (Windows)
Quit/ close Windows Explorer
Manage Windows Explorer

Ctrl + Q

Red Hat Enterprise (Linux)
Closes all browser windows and exits the application
Web Browser

Ctrl + Q

Adobe Dreamweaver (Windows)
Quit Application
Coding Shortcuts

Ctrl + Q

Autodesk SketchBook Pro (Windows)
Quit/ Exit
General Shortcuts

Ctrl + Q

jEdit (Windows)
Exit Jedit
File

Ctrl + Q

JetBrains PhpStorm (Windows)
Quick Documentation Lookup
Editing

Ctrl + Q

Autodesk Mudbox 2017 (Windows)
Exit
File Input and Output

Ctrl + Q

Daz 3D Bryce 7 (Windows)
Toggle hIerarchy for All Animated Objects
Advance Motion Lab

Ctrl + Q

Bash (Linux)
Allow Output to Screen
Process Controls

Ctrl + Q

JetBrains PhpStorm (Linux)
Quick Documentation Lookup
Editing

Ctrl + Q

DAZ Studio (Windows)
Exit
File commands

Ctrl + Q

DAZ Studio (Windows)
Draw stop
Draw Style Commands

Ctrl + Q

Corel PhotoPaint X6 (Windows)
Select Acquire from Acquire Image
File Menu

Ctrl + Q

Microsoft Hotmail (Web Application)
Mark as Read
14 Shortcuts for Microsoft Hotmail (Web Application)

Ctrl + Q

Opera (Windows)
Close Opera
System

Ctrl + Q

Steinberg Cubase 9 (Windows)
Quit
File

Ctrl + Q

HTML-Kit (Windows)
Invoke Two Step Keyboard Shortcut based on Ctrl+Q
87 Shortcuts for HTML-Kit (Windows)

Ctrl + Q

Corel Ventura 10 (Windows)
Snap to Grid
Zoom and View

Ctrl + Q

Poser Pro (Windows)
Exit
File

Ctrl + Q

Brackets (Windows)
Quit
99 Shortcuts for Brackets (Windows)

Ctrl + Q

Adobe Captivate 2017 (Windows)
Insert a random question slide
General and Miscellaneous Shortcuts

Ctrl + Q

SPSS Modeler (Windows)
Select All Nodes Downstream of Selected Node
Node

Ctrl + Q

Jetbrains CLion (Windows)
Quick documentation lookup
Editing Shortcuts

Ctrl + Q

Krita Painting 3 (Windows)
Quit
General

Ctrl + Q

Amarok (Windows)
Quit
General Shortcuts

Ctrl + Q

Forte (Windows)
Paste as Quote
Composition Window

Ctrl + Q

WinSCP 5 (Windows)
Focus queue view (when visible)
File Panels

Ctrl + Q

qBittorrent (Windows)
Exit qBittorrent
File Menu

Ctrl + Q

VideoPad Video Editor (Windows)
Quit videopad
Videopad

Ctrl + Q

Pegasus Mail (Web Application)
Perform quick selection
Messages

Ctrl + Q

Groove Music (Windows)
Search
Song Select

Ctrl + Q

XYplorer (Windows)
Preview
General Shortcuts

Ctrl + Q

Maxthon (Web Application)
Send to the filter list
Ad Hunter

Ctrl + Q

DITA CMS (Windows)
Save All
22 Shortcuts for DITA CMS (Windows)

Ctrl + Q

Siemens NX 11 (Windows)
Finish Sketch
Format Menu

Ctrl + Q

Xamarin Studio (MonoDevelop) (Windows)
Quit
File Menu

Ctrl + Q

Aptana Studio 3 (Windows)
Jump to Last Edit
Other Shortcuts

Ctrl + Q

ProRealTime (Windows)
Quit
File Menu

Ctrl + Q

Quickbooks Desktop (Windows)
Open Quick Report for item
Chart of Accounts

Ctrl + Q

Titanium (MacOS)
Last Edit Location
Navigation

Ctrl + Q

Synfig (Windows)
Quit Synfig Studio
73 Shortcuts for Synfig (Windows)

Ctrl + Q

Quickbooks Desktop (Windows)
QuickReport on transaction or list item
Account Register Shortcuts

Ctrl + q

Quickbooks Desktop (Windows)
Open Quick Report for item
Account Register Shortcuts

Ctrl + q

Quickbooks Desktop (Windows)
On any applicable item: open Quick report
Quick Reports

Ctrl + q

iClone 7 (Windows)
Show/Hide Gizmo
OnScreen Display

Ctrl + Q

GeoModeller3D (Windows)
Quit
File Operations

Ctrl + Q

Gnumeric (Windows)
Quit the application
21 Shortcuts for Gnumeric (Windows)

Ctrl + Q

SolidWorks (Windows)
Forced Rebuild
Edit Menu

Ctrl + Q

Vegas Pro 14 (Windows)
Insert new audio track
Timeline and Track List

Ctrl + Q

SolidWorks (Windows)
Force Regen To Top Level Of Assy
Miscellaneous Shortcuts

Ctrl + Q

Impro-Visor (Windows)
quit Impro+Visor
Files

Ctrl + Q

ChessBase 13
£ Queen
Commentary symbols

Ctrl + Q

Raspbian
Close window
General

Ctrl + Q

QCad (Windows)
Quit application
File Handlng

Ctrl + Q

QCad (Linux)
Quit application
File Handlng

Ctrl + Q

Titanium (Windows)
Last Edit Location
Navigation

Ctrl + Q

TurboCAD (Windows)
Select all entities with a Query
171 Shortcuts for TurboCAD (Windows)

Ctrl + Q

Solidworks 2019
Force regen
Commands

Ctrl + Q

Vegas Pro 14 (Windows)
Insert new audio track
Mixing Console

Ctrl + Q

Xyplorer
Quick File View
File Menu

Ctrl + Q

FlashFXP (Web Application)
Queue selected items
54 Shortcuts for FlashFXP (Web Application)

Ctrl + Q

Surfcam (Windows)
Automatically Repaint the current image
60 Shortcuts for Surfcam (Windows)

Ctrl + Q

RStudio (Windows)
Quit Session (desktop only)
Session

Ctrl + Q

Kate (Linux)
Quit - close active copy of editor
29 Shortcuts for Kate (Linux)

Ctrl + Q

Exact Audio Copy
Compression queue control center
Tools menu

Ctrl + Q

Kate (Windows)
Quit - close active copy of editor
38 Shortcuts for Kate (Windows)

Ctrl + Q

winIDEA
Toggle header source
Project

Ctrl + Q

CuteFTP (Windows)
Add current path as new bookmark
General

Ctrl + Q

Modo (Windows)
Quit Modo
General/System

Ctrl + Q

Moldflow Insight (Windows)
Query Entities
Modeling

Ctrl + Q

Evergreen (Linux)
Close Window
Navigation

Ctrl + Q

Geany (Linux)
Quit
Files

Ctrl + Q

Geany (Windows)
Quit
Files

Ctrl + Q

Ulead PhotoImpact 8 (Windows)
Closes PhotoImpact. If you have any image files open that have not been saved, you are prompted to do so
File Menu

Ctrl + Q

PhotoFiltre (Windows)
Quit PhotoFiltre
Others

Ctrl + Q

Maxwell Render (Windows)
Exit
File

Ctrl + Q

Inkscape (Windows)
Exit Inkscape
File

Ctrl + Q

Gmsh 4.1.4
Quit
General

Ctrl + Q

Vectorworks (Windows)
Exit
File Menu

Alt + F4 / Ctrl + Q

ArtRage 4.5 5 (Windows)
Quit
Menus

Ctrl + Q

FEKO (Windows)
Exit POSTFEKO
General POSTFEKO Shortcuts

Ctrl + Q

FEKO (Linux)
Exit POSTFEKO
General POSTFEKO Shortcuts

Ctrl + Q

Assetto Corsa
Damage displayer on/off
In-game

Ctrl + Q

FEKO (Windows)
Exit EDITFEKO
General EDITFEKO Shortcuts

Ctrl + Q

SpaceClaim (Windows)
Clear Spin center
71 Shortcuts for SpaceClaim (Windows)

Ctrl + Q

FEKO (Linux)
Exit EDITFEKO
General EDITFEKO Shortcuts

Ctrl + Q

Arduino (Windows)
Quit
29 Shortcuts for Arduino (Windows)

Ctrl + Q

Foxit Reader (Windows)
Quit Foxit Reader
30 Shortcuts for Foxit Reader (Windows)

Ctrl + Q

Arduino (Linux)
Quit
29 Shortcuts for Arduino (Linux)

Ctrl + Q

Foxit Reader (Linux)
Quit Foxit Reader
30 Shortcuts for Foxit Reader (Linux)

Ctrl + Q

Ableton Live 9 (Windows)
Quit Live
Working with Sets and the Program

Ctrl + Q

LDView
Exit
General

Ctrl + Q

GeoGebra
Select ancestors (deprecated)
Windows shortcuts

Ctrl + Q

Pidgin (Linux)
Quit
Buddies Menu

Ctrl + Q

Altium Designer (Windows)
Access the Selection Memory dialog
Common Schematic and PCB Editor Shortcuts

Ctrl + Q

Brave Browser (Windows)
Quit Brave
Tabs and Windows

Ctrl + Q

MyPaint (Windows)
Quit
Show Edit Menu

Ctrl + Q

Banner 9 (Windows, Mac)
Cancel Page, Close Current Page, Cancel Search/Query, or Exit
Mac shortcuts

Ctrl + Q

KeyCreator (Windows)
Delete
General Shortcuts

Ctrl + Q / Delete

Balsamiq Mockups (Windows)
Quit Balsamiq Mockups
Working with Mockup Files

Ctrl + Q

BricsCAD (Windows)
Quits the application prompts to save changes (QUIT command)
Other Shortcuts

Ctrl + Q

DraftSight (Windows)
Quit
37 Shortcuts for DraftSight (Windows)

Ctrl + Q

BricsCAD (Linux)
Quits the application prompts to save changes (QUIT Ctrl)
Other Shortcuts

Ctrl + Q

RStudio
Quit Session (desktop only)
Session

Ctrl + Q

Adobe Illustrator
Exit the application
Work with documents

Ctrl + Q

FlexiSign Pro 8.1 (Windows)
Quit
Other Shortcuts

Ctrl + Q

SuperMemo (Windows)
Import File
129 Shortcuts for SuperMemo (Windows)

Ctrl + Q

Evolution
Quit Evolution
Global - Controls

Ctrl + Q

Claws Mail
Exit
Main window

Ctrl + Q

Ableton Live 10
Quit Live
Working with Sets and the Program

Ctrl + Q

AutoCAD
Exit
Manage Drawings

Ctrl + Q

Shotcut
Quit
Main Menu

Ctrl + Q

QuickBooks Desktop
To run a Quick Report, highlight an account, customer, or vendor then press Ctrl + Q to pull up the report.
Opening Windows/List

Ctrl + Q

PyCharm 2018.2
Show a pop-up window with the documentation for the symbol at the caret.
Advanced editing

Ctrl + Q

Siemens NX
Finish sketch
Format menu

Ctrl + Q

Tibia
/  Log out from the game
Control Buttons

Ctrl + Q

Telegram
Quit Telegram
General

Ctrl + Q

Evernote for Windows
Quick Search
Application-wide

Ctrl + Q

Total War: Attila
Voice chat
Universal

Ctrl + Q

ArtRage Studio Pro
Quit Application
General Commands

Ctrl + Q

Adobe Bridge CC
Exit / quit
File menu

Ctrl + Q

Bash (Unix shell)
Resume output to the screen after stopping it with Ctrl + S
Controlling the screen

Ctrl + Q

Aegisub
Exit the application
Default

Ctrl + Q

jEdit
Exit jEdit.
Files

Ctrl + Q

Nuke
Exit the application
Global

Ctrl + Q

CorelDRAW Graphics Suite 2018
Convert To Curves
General

Ctrl + Q

Minecraft Java Edition
Drop whole stack of items. On Mac, use shortcut below, because this shortcut will quit game
Gameplay

Ctrl + Q

Adobe Dimension CC (Windows)
Quit Dimension
Application

Ctrl + Q

Kindle for PC
Exit the Application
Anywhere in the application

Ctrl + Q

Bluebeam Revu
Exit
Advanced text

Ctrl + Q

Nuance Power PDF
Quit application
Application exit

Ctrl + Q

Inkscape
Exit Inkscape
File

Ctrl + Q

Microsoft FrontPage
Quick tag editor.
Work with coding tools

Ctrl + Q

PDF-XChange Editor
Exit
General

Ctrl + Q

Clip Studio Paint Pro
Quit CLIP STUDIO PAINT [Windows]
File menu

Ctrl + Q

TextRoom
Quit
General

Ctrl + Q

Adobe Premiere Pro (Windows)
Exit
File

Ctrl + Q

Autodesk SketchBook (Windows)
Quit app
SketchBook for Mobile

Ctrl + Q

Corel Painter
Exit (Windows)
File menu commands

Ctrl + Q

MyPaint
Quit
Edit

Ctrl + Q

KDE Plasma Desktop
Quit
Working with windows

Ctrl + Q

gedit
Quit gedit
Working with files

Ctrl + Q

Corel Painter (Mac)
Exit (Windows)
File menu commands

Ctrl + Q

LightWave 3D
Master plugins
Layout: Utilities

Ctrl + Q

Microsoft Word 2016
Remove paragraph formatting
Change paragraph alignment

Ctrl + Q

Riffstation Desktop
Exit
General

Ctrl + Q

IntelliJ IDEA (Windows, Linux)
Quick documentation lookup
Editing

Ctrl + Q

NetBeans
Set request parameters
Compiling, testing and running

Ctrl + Q

Ardour
Quit
Session and file handling

Ctrl + Q

Brackets
Quit
General

Ctrl + Q

GIMP
Quit
File

Ctrl + Q

Mp3tag
Show/hide tag input mask
General

Ctrl + Q

GoldWave
Drops a new cue point at the current playback, recording, or start marker position.  Cue naming is controlled by the Auto Cue setting under the Cue Points Tool.
Editing

Ctrl + Q

Zim
Quit the application
General

Ctrl + Q

WriteMonkey
Quit / Close Writemonkey
General

Ctrl + Q

REAPER
File: Quit REAPER
Section: Main

Ctrl + Q

WinHex
Close all windows
Window menu

Ctrl + Q

LibreOffice
Exits application.
Controlling documents and windows

Ctrl + Q

Microsoft Visual Studio 2017 (All shortcuts)
Window.QuickLaunch
Window

Ctrl + Q

Qt Creator
Exit Qt Creator
General

Ctrl + Q

FileMaker
Exit or quit FileMaker Pro
General

Ctrl + Q

FocusWriter
Quit
General

Ctrl + Q

GNU Emacs
then char: Quoted insert
Miscellaneous

Ctrl + Q

Freemind
Quit
File commands

Ctrl + Q

KompoZer
Exit KompoZer
General

Ctrl + Q

Clementine
Quit program
Playback

Ctrl + Q

Maple
Pre-Subscript (1)
2D Math

Ctrl + Q

League of Legends
Add an ability point to the champion's 1st ability
General

Ctrl + Q

Sumatra PDF
Quit program
Actions

Ctrl + Q

Maxthon
Send to the filter list
Ad Hunter

Ctrl + Q

Python IDLE for Windows
Close all windows and quit IDLE (asks to save if unsaved)
File menu

Ctrl + Q

Guitar Pro
Quit
General

Ctrl + Q

Eclipse
Jump to last edited location
Navigation in editor window

Ctrl + Q

Krita 3.0
Quit
General

Ctrl + Q

FileZilla
Exit
General

Ctrl + Q

Blender
Quit Blender
General

Ctrl + Q

The Bat!
T  Insert current time
Message Editor

Ctrl + Q

Windows Movie Maker
Rewind and go to the beginning of the storyboard/timeline
Timeline

Ctrl + Q

Microsoft Excel 2016
Display the Quick Analysis options for selected cells that contain data
Formatting cells

Ctrl + Q

IrfanView
Edit multipage TIF file
Tools and dialogs

Ctrl + Q

CoffeeCup HTML Editor
Redo
Edit

Ctrl + Q

Notepad++
Single line comment
Edit menu

Ctrl + Q

Zimbra Web Client
View shortcuts
Edit appointment

Ctrl + Q

Outlook 2016 and Outlook 2013
Remove paragraph formatting
Text formatting

Ctrl + Q

qBittorrent
Exit qBittorrent
General

Ctrl + Q

KeePass
Exit program
KeePass Interface

Ctrl + Q

Pidgin
Quit
Buddies menu

Ctrl + Q

Foxit PDF Reader 2.0
Exit Foxit Reader
File shortcuts

Ctrl + Q

AIMP
Queue manager
Queue

Ctrl + Q

WinSCP
Focus queue view (when visible)
File panels

Ctrl + Q

Audacity
Exit
File menu

Ctrl + Q

Everything
Exit Everything
General keyboard shortcuts

Ctrl + Q

Opera
Close Opera
System keys

Ctrl + Q

Wunderlist
Show activities
Windows 10 app

Ctrl + Q

Adobe Acrobat Reader DC
Exit and close all documents
Acrobat Reader features

Ctrl + Q

Android Studio
Quick documentation lookup
Writing code

Ctrl + Q

Windows Calculator
Subtract from memory
General

Ctrl + Q

Microsoft Groove
Search
General

Ctrl + Q

SketchUp
Outliner
Main window

Ctrl + Q

Facebook (Chrome)
Show/hide keyboard shortcuts
Website Messenger

Ctrl + Q

Microsoft OneNote
Mark the current page as read or unread
Share notes with other programs

Ctrl + Q

Notepad2
Exit Notepad2
Miscellaneous

Ctrl + Q

Adobe After Effects CS5 (Windows)
Quit
General

Ctrl + Q

Internet Explorer (Windows)
Show Tabs: Open or close quick tab view.
Tabbed Browsing main

Ctrl + Q

gedit 2.3 (Linux)
Quit program
Program

Ctrl + Q

Clementine Player (Linux)
Quit program
Playback

Ctrl + Q

Adobe Fireworks MX (Windows)
Quit Fireworks
Working With Fireworks Files using Shortcuts

ctrl + q

Google Earth 5 (Linux)
Quit program
Program

Ctrl + Q

Adobe Reader 9 (Windows)
Exit (close all documents)
Acrobat Features

Ctrl + Q

Clementine Player (Windows)
Quit program
Playback

Ctrl + Q

Rhythmbox (Linux)
Quit program
Window

Ctrl + Q

Tupi (Windows)
Exit Tupi
General Shortcuts

Ctrl + Q

Microsoft Outlook 2007 (Windows)
Mark as read or unread.
Shortcuts for Managing E-Mail

Ctrl + Q / Ctrl + U

IrfanView 4.42 (Windows)
Edit multipage TIF file
Tools and Dialogs

Ctrl + Q

Microsoft Outlook 2007 (Windows)
Remove paragraph formatting.
Shortcuts for Formatting Text

Ctrl + Q

Scrivener 1.9.9
Increase left indent
Other

Ctrl + Q

Xactimate
Go to XactContents
General

Ctrl + Q