Master Mac IntelliJ IDEA: Complete Shortcut Guide

Mac Keyboard Symbols and Modifier Keys

⌘

Command ⇧ Shift ⌥ Option ⌃ Control ↩︎ Return/Enter ⌫ Delete ⌦ Forward Delete (Fn+Delete) ↑ Up Arrow ↓ Down Arrow ← Left Arrow → Right Arrow ⇞ Page Up (Fn+↑) ⇟ Page Down (Fn+↓) Home Fn + ← End Fn + → ⇥ Right Tab (Tab key) ⇤ Left Tab (Shift+Tab) ⎋ Escape (Esc)

1. Editing

⌃Space

Basic code completion ⌃⇧Space Smart code completion (filters by expected type) ⌘⇧↩ Auto‑insert semicolon at line end ⌘P Show method parameter info ⌃J, Mid. button click Quick view documentation ⇧F1 Open external documentation ⌘+ mouse over code Show brief code info ⌘F1 Show detailed description for errors/warnings ⌘N, ⌃↩, ⌃N Generate code (getter, setter, constructor, etc.) ⌃O Override method ⌃I Implement method ⌘⌥T Surround with if/else, try/catch, for, synchronized, etc. ⌘/ Toggle line comment ⌘⌥/ Toggle block comment ⌥↑ Expand selection upward ⌥↓ Shrink selection ⌃⇧Q Show context info ⌥↩ Show intention actions and quick‑fixes ⌘⌥L Reformat code ⌃⌥O Optimize imports ⌃⌥I Auto‑indent lines ⇥ / ⇧⇥ Indent / unindent code ⌘X Cut current line or selected block ⌘C Copy current line or selected block ⌘V Paste from clipboard ⌘⇧V Paste from recent buffer ⌘D Duplicate current line or block ⌘⌫ Delete current line or block ⌃⇧J Join lines intelligently ⌘↩ Split joined line ⇧↩ Start a new line ⌘⇧U Toggle case ⌘⇧] / ⌘⇧[ Select to end/start of code block ⌥⌦ Delete to end of word (⌦ = Fn+Delete) ⌥⌫ Delete to start of word ⌘+ / ⌘- Expand / collapse code block ⌘⇧+ Expand all code blocks ⌘⇧- Collapse all code blocks ⌘W Close active editor tab

2. Search/Replace

Double ⇧

Search anything ⌘F Find in file ⌘G Find next (down) ⌘⇧G Find previous (up) ⌘R Replace in file ⌘⇧F Global find (by path) ⌘⇧R Global replace (by path) ⌘⇧S Structural search (Ultimate edition) ⌘⇧M Structural replace (Ultimate edition)

3. Usage Search

⌥F7 / ⌘F7

Find usages in file / class ⌘⇧F7 Highlight usages in file ⌘⌥F7 Show usages

4. Compile and Run

⌘F9

Compile project ⌘⇧F9 Compile selected file/package/module ⌃⌥R Show Run menu ⌃⌥D Show Debug menu ⌃R Run ⌃D Debug ⌃⇧R, ⌃⇧D Run with context configuration

5. Debugging

F8

Step over (skip method body) F7 Step into (enter method body) ⇧F7 Smart step into (choose method when multiple calls) ⇧F8 Step out ⌥F9 Run to cursor ⌥F8 Evaluate expression ⌘⌥R Resume program ⌘F8 Toggle breakpoint ⌘⇧F8 View breakpoint details

6. Navigation

⌘O

Go to class ⌘⇧O Go to file/type ⌘⌥O Go to symbol ⌃← / ⌃→ Switch editor tabs left/right F12 Return to previous tool window ⎋ Focus code window from tool window ⇧⎋ Hide current/last active window ⌘⇧F4 Close active run/message/find tab ⌘L Jump to line number ⌘E Show recent files ⌘⇧← / ⌘⇧→ Navigate back/forward ⌘⇧⌫ Jump to last edit location ⌥F1 Show context‑specific popup (e.g., reveal in Finder) ⌘B / ⌘ click Go to declaration/definition ⌘⌥B Go to implementation ⌥ Space, ⌘Y Quick open definition ⌃⇧B Go to type declaration ⌘U Go to super method/interface ⌃↓ / ⌃↑ Navigate to next/previous method in file ⌘] / ⌘[ Jump to matching brace ⌘F12 Show file structure popup ⌃H Show class hierarchy ⌘⇧H Show method hierarchy ⌃⌥H Show call hierarchy F2 / ⇧F2 Navigate to next/previous error or warning F4 / ⌘↓ Edit / view source ⌥ Home Show navigation bar F3 Toggle bookmark ⌥F3 Toggle mnemonic bookmark ⌃0…⌃9 Jump to numeric bookmark ⌘F3 Show all bookmarks

7. Refactoring

F5

Copy file to directory F6 Move file to directory ⌘⌫ Safe delete file (confirm dialog) ⇧F6 Rename file ⌘F6 Change signature ⌘⌥N Ensure consistency ⌘⌥M Extract method ⌘⌥V Extract variable ⌘⌥F Extract field ⌘⌥C Extract constant ⌘⌥P Extract parameter

8. VCS / Local History

⌘K

Commit to VCS ⌘T Update from VCS ⌥⇧C Show recent changes ⌃C Quick VCS operations popup

9. Live Templates

⌘⌥J

Open template chooser and wrap selected code ⌘J Insert custom live template

10. General

⌘1…⌘9

Open corresponding tool window ⌘S Save all ⌘⌥Y Sync / refresh ⌃⌘F Toggle full‑screen mode ⌘⇧F12 Toggle maximized editor ⌥⇧F Add to favorites ⌥⇧I Inspect current file against configuration ⌘, Open IDEA settings ⌘; Open project structure dialog ⇧⌘A Find action (with options) ⌃⇥ Switch between editor and tool windows (delete to close)