Bold and Italic Shortcuts: Quick Keyboard Guide for Text

A practical, editor-agnostic guide to bold and italic keyboard shortcuts. Learn Windows and macOS bindings, realistic app examples, Markdown syntax, troubleshooting tips, and a step-by-step workflow — all from Shortcuts Lib.

Shortcuts Lib Team

February 2, 2026·5 min read

Keyboard Shortcuts Windows Shortcuts Bold Mac Shortcuts Italic

Bold & Italic - Shortcuts Lib — Photo by Andrey Matveev via Pexels

Quick AnswerSteps

Bold and italic formatting is typically toggled with simple keyboard shortcuts. On Windows and Linux, use Ctrl+B for bold and Ctrl+I for italic; on macOS, use Cmd+B for bold and Cmd+I for italic. In many editors, these commands apply to the selected text, and some tools also support Markdown-style syntax for plain text formatting (e.g., **bold** or *italic*). This quick guide from Shortcuts Lib summarizes the core bindings and cross-app patterns to save time while editing.

What is the keyboard shortcuts to bold and italicize text

Bold and italic formatting matter when you want to emphasize ideas or indicate emphasis without changing the content. The phrase what is the keyboard shortcuts to bold and italicize text captures a common editing task across word processors, code editors, and collaboration tools. In most modern apps, bold is applied by a dedicated command or icon, while italic uses a separate one. The elegance comes from consistency: once you know the core bindings, you can translate that knowledge to Word, Google Docs, VSCode, or even plain-text documents that rely on Markdown syntax. Shortcuts Lib Analysis, 2026 shows that these patterns are surprisingly portable across platforms, which is why documenting them helps power users save minutes per session.

JSON

{
  "Windows": { "bold": "Ctrl+B", "italic": "Ctrl+I" },
  "macOS": { "bold": "Cmd+B", "italic": "Cmd+I" }
}

YAML

shortcuts:
  bold:
    windows: "Ctrl+B"
    macos: "Cmd+B"
  italic:
    windows: "Ctrl+I"
    macos: "Cmd+I"

Use the keyboard when you have text selected to apply or toggle formatting.
In Markdown-friendly editors, you may see textual syntax instead of keystrokes for bold/italic.
If you ever forget, return to the toolbar icons and look for the bold and italic symbols to reinforce the pattern.

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prerequisites

Steps

Estimated time: 5-10 minutes

1
Identify target text
Locate the sentence or selection that needs emphasis. Use your editor's navigation keys to move the cursor without changing the selection. If you know you’ll apply formatting multiple times, select a larger block to batch format.
Tip: Keep your project’s style guide in mind to avoid over-formatting.
2
Select the text
Highlight the exact portion you want to format. In most editors, click-drag or press Shift+Arrow keys to extend the selection precisely.
Tip: Double-click a word to select it quickly, then adjust the selection as needed.
3
Apply bold
Press the Windows shortcut Ctrl+B or the macOS shortcut Cmd+B to apply bold to the selection. If the text is already bold, pressing again will typically remove the formatting.
Tip: If bold doesn’t look right, you can undo with Ctrl+Z (Cmd+Z on Mac).
4
Apply italic
Press Ctrl+I (Windows) or Cmd+I (Mac) to apply italics to the selection. Some apps store formatting state independently for bold and italic, so you can mix styles within a single block.
Tip: Use italic for emphasis or for species names in scientific writing.
5
Verify formatting
Deselect and skim the edited area to confirm bold and italic are applied consistently. If you’re exporting to Markdown, ensure the syntax matches your target format (e.g., **bold** or *italic*).
Tip: If you’re collaborating, ask a peer to review to catch inconsistent styling.
6
Document alternative formatting
If your editor supports it, consider adding a quick reference cheat sheet for your team with the core shortcuts.
Tip: Place the cheat sheet near your workspace for easy access.

Pro Tip: Create a personal cheat sheet listing Bold and Italic shortcuts for every app you use.

Warning: Some apps override global shortcuts; check app-specific settings if shortcuts don’t work.

Note: In Markdown, preferred formatting uses **bold** and *italic* syntax in plain text.

Prerequisites

Required

Windows 10/11 or macOS 12+ for broad compatibility
Required
A text editor or word processor with rich text support (Word, Docs, VSCode, or similar)
Required
Basic keyboard knowledge (copy/paste/navigation)
Required

Optional

Optional: familiarity with Markdown syntax for plain-text formatting
Optional

Keyboard Shortcuts

Action	Shortcut
Bold textWhen text is selected; toggles bold state in most editors.	`Ctrl`+`B`
Italicize textWhen text is selected; toggles italic state in most editors.	`Ctrl`+`I`
Toggle bold/italic in MarkdownIn Markdown editors you may switch to bold or italic by surrounding text with ** or *.	`Ctrl`+`B / Ctrl`+`I (in some editors)`

Questions & Answers

What are the default bold/italic shortcuts on Windows and macOS?

On Windows, bold is Ctrl+B and italic is Ctrl+I. On macOS, bold is Cmd+B and italic is Cmd+I. These are the most common defaults across major editors and apps.

Do these shortcuts work in all apps?

Most apps support these core shortcuts, but some programs override them or offer alternative workflows. If a shortcut doesn’t work, check the app’s keyboard shortcut settings or the help/shortcuts guide.

How do you format text in Markdown for bold and italic?

In Markdown, bold is applied with two asterisks or underscores on each side of the text (**bold**) and italic with a single asterisk or underscore (*italic*). This works in many plain-text editors and GitHub/readme files.

What if my shortcuts don’t work due to conflicts?

Check for global shortcuts that may override application shortcuts, review the app’s keybindings, and consider remapping in the app or OS preferences. Ensure the editor is focused when using shortcuts.

Can I customize bold/italic shortcuts?

Yes. Most editors offer keybinding customization in the preferences or settings. You can assign or modify bold/italic shortcuts to fit your workflow, then test with simple text.

Is there a shortcut for removing formatting?

Many editors remove formatting with a dedicated command or by reapplying the default style. In some apps, you can select the text and press the Bold/Italic shortcut again to toggle off formatting.