Chrome Web Store Image Sizes — 2026

Every image dimension required to publish a Chrome extension. Bookmark this page — we keep it updated whenever Google changes requirements.

Last updated April 2026

Screenshots

Screenshots appear on your extension listing page. They are the most important visual asset for convincing users to install your extension.

1280 × 800Required

Standard Screenshot

Format: PNG or JPEG

Recommended size. Up to 5 screenshots per language. First screenshot is the most visible.

640 × 400Optional

Small Screenshot

Format: PNG or JPEG

Alternative smaller size. Use 1280×800 for best results on high-DPI displays.

Extension Icons

Icons are used throughout Chrome — from the toolbar to the extensions page to the Web Store listing itself. Design at 128px and test legibility at 16px.

128 × 128Required

Store / Install Icon

Format: PNG only

Main icon displayed on the Chrome Web Store listing page and during installation.

48 × 48Required

Extensions Page Icon

Format: PNG only

Shown on the chrome://extensions management page.

32 × 32Optional

Windows Icon

Format: PNG only

Used on Windows for the favicon and taskbar. Optional but recommended.

16 × 16Required

Toolbar Icon

Format: PNG only

Displayed in the browser toolbar. Must be legible at this tiny size — use simple shapes.

Promotional Images

Promotional images are used when Chrome features your extension in curated collections. While optional, having them ready increases your chances of being featured.

440 × 280Optional

Small Promotional Tile

Format: PNG or JPEG

Used in smaller promotional slots on the Chrome Web Store.

920 × 680Optional

Large Promotional Tile

Format: PNG or JPEG

Used in larger featured sections. Higher visibility than the small tile.

1400 × 560Optional

Marquee Promotional Image

Format: PNG or JPEG

The hero banner format. Used for top-level featuring on the Chrome Web Store homepage.

Quick Reference Table

Asset	Dimensions	Format	Required
Standard Screenshot	1280 × 800	PNG or JPEG	Yes
Small Screenshot	640 × 400	PNG or JPEG	No
Store / Install Icon	128 × 128	PNG only	Yes
Extensions Page Icon	48 × 48	PNG only	Yes
Windows Icon	32 × 32	PNG only	No
Toolbar Icon	16 × 16	PNG only	Yes
Small Promotional Tile	440 × 280	PNG or JPEG	No
Large Promotional Tile	920 × 680	PNG or JPEG	No
Marquee Promotional Image	1400 × 560	PNG or JPEG	No

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