How to Generate Placeholder Images

Generate custom placeholder images for mockups and prototypes instantly. Set size, color, text, and format. Free placeholder image generator — no signup required.

Open Placeholder Image Generator →

Step-by-Step Guide

1

Set the dimensions

Enter the width and height in pixels for your placeholder image. Common sizes include 1200x630 for OG images, 800x600 for blog thumbnails, and 150x150 for avatars.

2

Choose colors and text

Pick a background color, text color, and optional overlay text (like "800×600" or "Hero Image"). The tool shows a live preview as you adjust settings.

3

Select the format

Choose PNG for crisp graphics, JPEG for photos, or SVG for scalable vector output. PNG is best for most placeholder use cases.

4

Download or copy

Download the placeholder image directly or copy the data URI to embed it inline in your HTML or CSS. Everything is generated in your browser — no server upload needed.

Try It Now — Free

No signup, no download. Runs entirely in your browser.

Open Placeholder Image Generator

Frequently Asked Questions

Why use placeholder images?
Placeholder images help designers and developers build layouts before real content is ready. They keep prototypes looking realistic without waiting for photography or assets.
What sizes should I use?
Common web sizes: 1200×630 (social share), 800×600 (blog thumbnail), 400×300 (card image), 150×150 (avatar), 1920×1080 (hero banner). Match your design specs.
Can I use these in production?
Placeholder images are designed for development and prototyping. For production, replace them with real images. The generated images are royalty-free and can be used anywhere.
Related Reference

HTML Cheat Sheet

View Cheat Sheet →

More Guides

How to Format JSON Online How to Encode & Decode Base64 How to Generate UUID Online How to Test an API Online