What is Ctrl + / keyboard shortcut for?

010 Editor - View > Show Old File Bar  

Delphi - Toggle comment per line or selected block and cursors goes down one line, Ctrl  +  # on nordic (and perhaps other international ) keyboards  

Python IDLE for Windows - Toggle auto coloring  

BigQuery Studio - Toggle line comment  

Eclipse - Comment / uncomment line or selection (add //)  

Chrome DevTools - Toggle single-line comment. If multiple lines are selected, DevTools adds a comment to the start of each line  

Code::Blocks 20.03 - Previous word part. Shift extends selection  

Sublime Text 4 - Toggle comment  

Android Studio - Comment/uncomment with line comment  

Stencyl - Select All Frames  

pgAdmin 4.19 - Comment selected code (Inline)  

Atom (Windows) - Toggle the selected text into a comment of the current grammar  

Atom (Windows) - editor:toggle-line-comments  

Code::Blocks 17.12 - Previous word part. Shift extends selection.  

codepen.io - Line Comment  

Cursor 0.44.8 - Toggle line comment  

Visual Studio Code (Linux) - Toggle line comment  

Qt Creator - Toggle comment for selection  

jEdit - Scroll down one line.  

Team Explorer and Azure DevOps - Numbered list  

Adobe Dreamweaver 20.2 (Windows) - Toggle line comment  

GoLand (Windows) - Comment with line/block comment  

PyScripter 5.1 - Fold Nearest  

AWS Cloud9 IDE (Windows) - Toggle Comment  

App Maker - Line comment or uncomment  

IBM COBOL Editor - Toggle Comment  

Geany 1.38 - Go to Previous Word Part  

Ace Editor 1.35.2 (Windows) - Toggle comment  

Firefox Developer Tools (Linux) - Comment/uncomment line(s)  

JS Bin - Toggle comments on the selected lines  

Boost Note - Insert current date (customizable)  

Aqua Data Studio 23.2 (Emacs layout, Windows/Linux/Java) - Automate: // Comment Line  

Pascalzim - Pascal Compiler - Comment/uncomment code  

Lite XL 2.1.7 - Toggle line comments  

Firefox Developer Tools (Windows) - Comment/uncomment line(s)  

Anvil - Comment/uncomment a line or block of code  

YouTrack Cloud 2022.3 (Windows) - View keyboard shortcuts.  

YouTrack Cloud 2022.3 (Windows) - View keyboard shortcuts.  

YouTrack Cloud 2022.3 (Windows) - View keyboard shortcuts.  

YouTrack Cloud 2022.3 (Windows) - View keyboard shortcuts.  

CudaText 1.218.0 (10.2024) - Toggle Line Comment  

GitLab (Windows) - Add line comment  

GitLab (Windows) - Remove line comment  

GitLab (Windows) - Toggle line comment  

FreeCodeCamp - Comment / uncomment current line or selected code  

Codecademy - Toggle line comment  

Nuclide (Linux) - Toggle Project Explorer  

Exposure X7 7.1.5 - Tutorials  

Daz Studio 4.15 - Invert selection  

DigiKam 8.1.0 - Vertically  

Canva (Windows) - Toggle object panel  

Canva (Windows) - Toggle object panel  

Modo 12.1 - Wireframe Dark  

Marmoset Toolbag 4 - Plugins > Run again  

Autodesk Maya 2019 - Graph Remove Unselected  

Autodesk Maya 2019 - Remove Unselected  

Tribble LayOut 22.0 - Object snap  

Inkscape - Division (cut)  

Canva (Mac) - Toggle object panel  

Node Wrangler 3.36 - Merge nodes (Divide)  

Poser Pro 12 - Display > Camera View > Dolly camera  

Ocenaudio 3.1 - Zoom selection  

Avid Media Composer 2021.9 - Show entire sequence in the Timeline window  

Google Sheets - Show common keyboard shortcuts  

Google Slides (PC) - Show common keyboard shortcuts  

Affine - Expand/collapse sidebar  

Wondershare Filmora 10.1.6 - Stop  

Defold 1.10.0 - Toggle Comment  

Scala (2.46t) - Stretch  

Tiled (map editor) - Adjust zoom to fit map in view  

Guitar Pro - Triplet Feel  

Edius Pro 9 - Play the Cursor Area  

Salesforce - Show shortcut menu  

Clipchamp - Show keyboard shortcuts  

Google Docs (Chrome OS) - Show common keyboard shortcuts  

ChatGPT (2023) - Show all shortcuts  

Newtek Tricaster - Stream Start  

Dynamics 365 - Finance & Operations - Search for a page  

Calibre 8.4 - Open the popup to search the full text of all books in the library  

Scrivener 3.1 - Strikethrough  

TickTick - Open Keyboard Shortcuts dialog  

PerfectTablePlan v6.2 - RSVP accepted  

AnyType 0.44 - Open action menu  

The Bat! - Capitalise  

Google Translator Toolkit - Open keyboard shortcut help  

Google Sheets (Android) - Show common keyboard shortcuts  

Notion (Windows) - Edit or change one or more selected blocks  

Quip - List all keyboard shortcuts  

Quire.io (Windows) - Complete selected task(s)  

Calibre 6.25.0 - Search full text  

Movie Magic Budgeting (Windows) - Open Setup: Contractual Charges  

coda.io (Windows, Mac) - Open Explore panel  

Nimbus Note (2022) - Clear format  

Nimbus Note (2022) - Open note in full-screen mode  

Salesforce Lightning - Show shortcut menu  

Salesforce Lightning - Show shortcut menu  

Google Docs (Android) - Help menu (Android N only)  

Sway (web) - Start or continue a numbered list  

Google Slides (Android) - Show common keyboard shortcuts  

Jubler Subtitle Editor - About  

Asana - Show Keyboard Shortcuts  

Airtable - Show this list in Airtable  

Cryptee (Windows, Linux) - Markdown & hotkeys  

Smartsheet (Windows) - Open a Sheet  

GitHub (Enterprise Server 3.8) - Focus your cursor on the issues or pull requests search bar. For more information, see "Filtering and searching issues and pull requests."  

Microsoft Sway 1.20.1 - Start or continue a numbered list  

Brackets - Toggle Line Comment  

Microsoft FrontPage - Display HTML tags in Design view.  

Microsoft FrontPage - Insert HTML comment.  

OneNote for the web - Numbered list  

GNU Emacs - Undo an unwanted change  

Scrivener 1.9.9 - Text statistics  

Typora 0.9.81 - Source Code Mode  

QOwnNotes 19.10.10 - Reset note text size  

GhostWriter 2.1.6 - (when no text selected) Add HTML comment  

GhostWriter 2.1.6 - (when a text is selected) Wrap as HTML comment  

HackMD (Windows) - Toggle Comment Indented