What is Ctrl + U keyboard shortcut for?

Manjaro Linux - Cut everything from line start to cursor  

Firefox - Page source  

Microsoft Edge (Chromium) - View source  

Mozilla Thunderbird - View message source  

uTorrent - Add new torrent from URL  

Microsoft Edge (legacy) - View source  

Roll20 - Add selected object(s) to turn tracker  

Ubuntu - Underline the selected text  

Vivaldi - View page source  

Lynx 2.8.9 - Erase input line  

Quicken 2018 - Go to the Portfolio  

Microsoft Photos App - Remove selected items from album  

GoldWave - AutoTrims the sound.  Removes silences within the ends of the selection.  

E-Sword - Underline Editors only  

VideoProc Vlogger (Windows) - Check for updates  

Ardour - All enclosed by edit range  

Feedreader - Refresh article list  

Extended Mapedit - Set selected visibility for all sectors  

Nuance Power PDF - Display / hide gridlines  

Brackets - Undo selection  

Brackets - To Upper Case  

Brackets - Undo last selection change  

Ace Editor - Change to upper case  

gedit - Convert the selected text to upper case  

Most used text editing - Underline  

WriteMonkey - Soft undo  

Dropbox Paper - Underline  

Typora 0.9.81 - Underline  

Wordpad - Underline selected text  

CudaText 1.88.3 - Toggle word-wrap mode (off / window / margin)  

Notepad3 (v5.21) - Selection in Lowercase.  

Zim - Make selected text underline (renders highlighted)  

Scrivener 1.9.9 - Underlined  

OneNote for the web - Underline  

Texmaker 5.0.4 - Uncomment  

FocusWriter - Underline  

Tomboy 0.23 - Underline  

TiddlyWiki - Apply underline formatting to selection  

Notepad2 - Make lowercase  

ZenWriter 2 - Underline  

Google Docs (PC) - Underline  

Microsoft FrontPage - Apply an underline.  

KompoZer - Text style Underline  

TextRoom - Underline  

Metapad - Transparent mode  

CorelDRAW 2020 - Full Screen  

CorelDRAW 2020 - Underline the text  

CorelDRAW 2020 - Underline the text  

PowerDirector 17 - Adjust system volume  

Harmony 20 - Preferences  

Autodesk 3ds Max 2021 - Group Attach  

Autodesk 3ds Max 2021 - Refresh View  

Marmoset Toolbag 4 - Show guides  

IrfanView - Custom rotation dialog  

PureRef - Settings  

OpenToonz 1.4 - Preferences…  

Nuke - Enable or disable previewing output on an external broadcast video monitor  

Adobe Animate CC (Windows) - Ungroup  

CorelDRAW Graphics Suite 2018 - Ungroup  

Inkscape - Ungroup selected group(s)  

Inkscape - toggle Unicode entry  

Paint 3D - Underline selected text  

Microsoft Paint - Underline selected text  

Adobe Lightroom Classic - Auto tone  

Paint Tool SAI - Hue and saturation  

Blender 3.4.1 - Toggle style  

LightWave 3D - Unweld polygons  

LightWave 3D - UnParent bone  

Daz Studio 4.15 - Lock docking / Undocking  

MediBang Paint Pro 27.0 - Shade  

Aseprite 1.2.27 (Windows) - Hue / Saturation  

Corel Painter - Ungroup  

Corel Painter - Ungroup  

MagicaVoxel - Display ground  

DesignSpark Mechanical 5.0 - Underline text  

Toon Boom Storyboard Pro 22 (Windows) - Preferences  

Global Mapper 21 - UNLOAD All Loaded Data Files  

InVision Studio 1.28.2 - Underline  

Simplify3D - Customize support structures  

Enterprise Architect 14 - Locate diagrams in which the element is used.  

Autodesk Mudbox 2022 - Show Selected  

Krita 3.0 - HSV/HSL adjust  

LDView - Right side up  

Pinnacle Studio 22 - Toggle underline  

vecta.io - Underline  

Aspire 10 - Ungroup the selected objects to the group's layer, sub-groups remain grouped.  

Affinity Photo - Underline  

Affinity Photo - HSL (Adjustment)  

Tahoma2D 1.1 - Preferences…  

Tribble LayOut 22.0 - Underline  

Revo Uninstaller Pro 5.1.1 - Uninstall  

Sublime Text 4 - Soft undo  

CodeMirror - Undo the last change to the selection, or if there are no selection-only changes at the top of the history, undo the last change  

Android Studio - Go to super-method/super-class  

FileMaker - Preview mode  

FileMaker - Select tables with the same source table  

Qt Creator - Select the current block (The second press extends the selection to the parent block. To enable this behavior, select Tools> Options > Text Editor > Behavior > Enable smart selection changing)  

Adobe Dreamweaver 20.2 (Windows) - Preferences  

RStudio - Yank line up to cursor  

AWS Cloud9 IDE (Windows) - Open Tree Panel  

AWS Cloud9 IDE (Windows) - To Uppercase  

Microsoft Visual Studio 2017 (All shortcuts) - Format.Underline  

Microsoft Visual Studio 2017 (All shortcuts) - Edit.MakeLowercase  

Microsoft Visual Studio 2017 (All shortcuts) - Image.UseSelectionasBrush  

Mode SQL Editor (Windows) - Change to upper case  

Mode SQL Editor (Windows) - Underline  

Chrome DevTools - Select / de-select the next occurrence of whatever word the cursor is on. Each occurrence is highlighted simultaneously  

Atom (Windows) - This undoes the previous selection, like from Select Same Words  

Atom (Windows) - (Source: Find And Replace) find-and-replace:select-undo  

PythonWin - Convert the selection to lower case  

WinDev 25 - Show positioning tables  

WinDev 25 - Underline selected text  

WinDev 25 - Underline the selected field  

Poedit 2.4.2 - Translation needs work  

Team Explorer and Azure DevOps - Underline  

RStudio (Mac) - Yank line up to cursor  

SQLyog - Add A New User  

Mode SQL Editor (Mac) - Change to upper case  

Tampermonkey Development Environment - Undo selection  

GoLand (Windows) - Super method  

CoffeeCup HTML Editor - Underline  

Komodo Edit - Make uppercase  

IPython Shell - Cut text from beginning of line to cursor  

Valentina Studio - Make Selection Lower  

Tig - Half page up  

Git Tower (Windows) - Push HEAD  

jEdit - Select to marker with shortcut key.  

S3 Browser 8.6.7 - Generate web URLs  

S3 Browser 8.6.7 - Upload files  

GitLab (Windows) - Cursor undo  

Geany 1.38 - Decrease indent  

Looker 6.8 (Windows) - Share  

Looker 6.8 (Windows) - Share  

FBIde - Make selected text uppercase  

SigmaStudio 4.7 - Set system sampling rate  

Wix - Underline  

Joomla - Toggles underlining of selected text  

Corel Photo-Paint 2021 - Arrange > Ungroup  

iTunes 11 for Windows - Stream audio file at a specific URL to iTunes  

OpenTTD 12.1 - Clear text in input fields  

Ring of Elysium - Turn the microphone off  

Oxygen Not Included (PC) - Debug Ultra Test Mode  

StarCraft - (StarCraft: Remastered) Toggle display of the unit panel  

PokerStars - Muck losing hand  

FlightGear - Add 1000 ft. to your altitude (emergency)  

Lode Runner (partial list) - Skip to next level  

Fantasy Grounds - Underline  

Blackboard Collaborate - Ungroup selected objects  

Google Hangouts - Underline  

NewsBin Pro - Unlock poster  

Pidgin - Plugins  

eM Client - Underline selected text  

Claws Mail - Show message source  

Claws Mail - Delete line  

Avid Media Composer 2021.9 - New audio track  

Edius Pro 9 - Change Time Scale (Undo)  

Microsoft Excel 2019 - Underline text or remove underline  

Microsoft Excel 2019 - Applies or removes underlining  

Vegas Pro 18 - Clear group without deleting events  

LightBurn - Ungroup  

Cakewalk by Bandlab - [Media] Move up  

Nuendo 10 - Ungroup  

Ocenaudio 3.1 - Revert to saved  

WPS Office - Applies or removes underlining  

Articulate Storyline - Underline selected text  

Avid Pro Tools 2021.6 - Strip Silence  

Guitar Pro - Brush upstroke  

Oracle EBS Forms - Update record  

Quip - Underline the selected text  

Creo View 8 - Unhide all  

Smartsheet (Windows) - Underline  

Microsoft Publisher 2021 - Underline text  

Microsoft PowerPoint 2019 (Slideshows) - Hide the pointer and navigation button in 15 seconds  

Miro - Underline  

MindManager 21 - Toggle to underline and back  

Autodesk Vault 2022 - Update  

Microsoft PowerPoint 2019 (Creating presentations) - Apply an underline  

SharePoint - Apply or remove the underline from the selected text.  

Excel for the web - Underline  

Avidemux 2.8.7 - Queue  

Soundtrap (Windows) - Open/close the Loop Tab  

Confluence - Underline  

Nimbus Note (2022) - Underline  

Outlook 2019 and Outlook 2016 - Mark as unread  

Outlook 2019 and Outlook 2016 - Underline  

Google Sheets - Underline  

SimpleMind - Toggle Underline font effect for selected topics or labels  

MuseScore 3 - Display full screen  

Nvidia Omniverse - Open the Sun Study panel  

BookStack - Underline  

Viz Artist 4.4 - Copy the UUID of the item to the clipboard  

Pcon Planner 8 - Ungroup selected group  

Google Sheets (Android) - Underline  

QuickBooks Desktop - Use the item from the list that you have just opened using Ctrl + L.  

CintaNotes 3.13 - Display untagged notes.  

CintaNotes 3.13 - Toggle various formatting on currently selected text.  

SAGE PE Batigest i7 - Underline  

Microsoft PowerApps - Underline command  

Zotero 5.0 (Windows) - Underline  

Tally ERP 9 - Select the Units  

ProPresenter 7 (Windows) - Underline  

Google Docs (Chrome OS) - Underline  

Google Docs (Android) - Underline  

LibreOffice - The Underlined attribute is applied to the selected area. If the cursor is positioned in a word, this word is also underlined  

LibreOffice - Refreshes the selected theme  

Notezilla - Underline  

Tracktion T7 DAW (Windows) - Punch out of automation record mode, clearing any subsequent curve data  

Adobe Captivate 2019 - Underline the selected text  

coda.io (Windows, Mac) - Underline  

Mailchimp - Underline selected text  

Diagrams.net - Toggle underline on selected text  

Oracle PeopleSoft - Selection lowercase  

Evernote for Windows (legacy) - Underline  

ActivePresenter 7 - Underline  

ActivePresenter 7 - Underline  

Microsoft Sticky Notes - Underlined  

Lacerte - E-file Wizard  

Lacerte - Underline selected text  

Front (macOS) - Underline  

Evernote 10.9.10 - Underline  

Cryptee (Windows, Linux) - Underline  

WinMerge 2.16.10 - Convert selected text to lower case  

FineReader 15 - Underline the selected text fragment  

FineReader 15 - Underline  

Celtx (Windows) - Underline  

Celtx (Windows) - Underline  

Celtx (Windows) - Underline  

Celtx (Windows) - Underline  

TallyPrime - Display the last hidden line (If multiple lines were hidden, pressing this shortcut repeatedly will restore the last hidden line first and follow the sequence)  

Adobe Experience Manager 6.4 (Windows) - Make text bold while using Rich Text Editor component in Preview mode  

Adobe Experience Manager 6.4 (Windows) - Underline letters  

PerfectTablePlan v6.2 - Unassign guest  

Zammad - Format as underlined  

The Bat! - Mark as unread  

The Bat! - Underline  

Nimbus Note - Underline  

Jama Connect - Applies or removes underline  

Oxygen Light - Bring up Unwrap dialog  

Bitrix24 - Underline the highlighted text  

Bitrix24 - Underline the highlighted text  

Powtoon (Windows) - Underline/Undo Underline  

Onyx - Update  

Syncfusion Bigdata Studio - Upload file or folder  

ChartNet Editor - Underline  

Voyager - Insert URL from browser  

Voyager - Insert URL from browser  

ProPresenter (macOS) - Underline  

Centricity EMR - Begin a chart update  

M*Modal Editor - Underline  

PowerScribe 360 - Underline selected text  

Originlab Origin 2020 - Open the Options dialog.  

Originlab Origin 2020 - Toggle Underline on & off  

Maple - Underline (text or Maple input)  

Maple - Undo Changes to the Line  

Vectorworks 2020 - Ungroup  

TrueCAD 2021 - Toggle polar tracking (Typed entry: POLARTRACK)  

Google Looker (Windows, 2023) - Share  

Google Looker (Windows, 2023) - Share  

Multisim - Bus  

Onshape 1.98 - Feedback / Report a bug  

Originlab Origin 2020 (Mac keyboard) - Open the Options dialog.  

Originlab Origin 2020 (Mac keyboard) - Toggle Underline on & off  

Desmos Graphing Calculator (macOS) - Switch to UEB  

OpenSCAD 2019.05 - Lowercase selection  

Sparx Systems Enterprise Architect 16.1 - Find the diagrams that use the current element