Placeholder Generator

Generate placeholder images with custom dimensions, background color, text, and format. Perfect for mockups, wireframes, and prototypes.

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APIPOST /api/v1/images/placeholder
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Try also: Image Resizer
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Key Features

100% Free

No registration required, unlimited checks

Instant Results

Real-time analysis with detailed output

REST API Access

Integrate into your workflow via API

Accurate Data

Live queries to authoritative sources

What is Placeholder Generator?

The placeholder image generator creates custom dummy images with specified dimensions, background color, text overlay, and output format — perfect for filling layout spaces in designs before final assets are ready. Placeholder images are a staple of web development and design workflows: they show clients the exact dimensions an image will occupy, help developers test responsive layouts with correctly-sized images, maintain visual structure in prototypes and wireframes, and serve as temporary content in CMS templates. This free placeholder generator lets you customize every aspect: exact pixel dimensions, background color (hex or named colors), text content (defaults to showing dimensions), text color, and output format (PNG, JPG, WebP).

Unlike external placeholder services that require an internet connection, the generated images are standalone files you can download and use offline in any design tool.

How to Use

  1. 1Enter the desired width and height in pixels (e.g., 1200x630 for a social media card placeholder)
  2. 2Choose a background color using the color picker or enter a hex code
  3. 3Add optional text overlay — leave blank to show dimensions (e.g., '1200x630') automatically
  4. 4Select the output format: PNG (sharp edges, transparency support), JPG (smaller size), or WebP
  5. 5Download the generated placeholder image or copy the direct URL for embedding

Who Uses This

System Administrators

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Developers

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SEO Specialists

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Security Analysts

Audit and assess network security

Frequently Asked Questions

What is a placeholder image and when do I need one?
A placeholder image is a temporary graphic used during design and development to represent where final images will appear. You need placeholders when: building website mockups or wireframes before photography is ready, developing page templates where content will be added later, testing responsive layouts to ensure images scale correctly at different breakpoints, presenting design concepts to clients with correctly-proportioned image spaces, and creating documentation or style guides that show image dimensions. Placeholders prevent broken layout and give stakeholders a realistic preview of the final design.
How do I create a custom placeholder image?
Enter the dimensions you need (width x height in pixels), pick a background color, optionally add custom text (or leave blank to auto-display the dimensions), select your preferred format, and download. The image is generated instantly. For design projects, use colors from your brand palette as backgrounds to create more realistic-looking mockups.
What sizes are commonly used for placeholder images?
Common dimensions by use case: thumbnails (150x150, 300x300), social media (1080x1080 Instagram, 1200x630 Facebook/OG, 1500x500 Twitter header), hero banners (1920x600, 1920x1080), blog featured images (1200x675, 800x450), product images (800x800, 1000x1000), ad banners (300x250 medium rectangle, 728x90 leaderboard, 160x600 skyscraper), and mobile screens (375x812 iPhone, 360x800 Android). Enter any custom dimensions — there's no limit on size.
Can I use placeholder images in production websites?
Placeholder images are designed for development and design phases, not production. In production, you should use actual content images. However, there are valid production use cases: fallback images when user-uploaded content is missing, default avatars for users who haven't uploaded a profile picture, and loading states where a colored rectangle matches the expected image dimensions before the real image loads (LQIP — Low Quality Image Placeholder technique).

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API Endpoint

POST /api/v1/images/placeholder
View Documentation