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Placeholder Image Generator

Generate solid-color or gradient placeholder images at any custom size instantly. Download as PNG. Free, browser-based.

🖼️ Image Tools Free Browser-based
Tool
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OG Image 1200×630 Instagram 1080×1080 HD 16:9 1280×720 4:3 800×600 Card 400×300 Icon 64×64

Why Use Placeholder Images?

During web development and design mockups, you often need images at specific dimensions before the real assets are ready. Placeholder images let you build layouts, test responsive breakpoints and present prototypes without waiting for final photography or graphics. They also serve as fallback images, loading spinners and test assets in automated testing.

Common Sizes

Use caseRecommended size
Open Graph / social share1200 × 630 px
Instagram square1080 × 1080 px
YouTube thumbnail1280 × 720 px
Standard hero banner1600 × 600 px
Blog post thumbnail800 × 450 px
Avatar / profile picture200 × 200 px

Output Formats

PNG — lossless, best for solid colors and graphics with sharp edges. WebP — modern format with excellent compression, ideal for web delivery. JPG — smallest files for gradient-heavy or photographic-style backgrounds.

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