Placeholder Generator
100% In-Browser Canvas & SVG EnginePlaceholder Settings
How to Generate Custom Image Placeholders Online
Create high-quality dummy mock images with custom pixel dimensions, solid/gradient backgrounds, typography, and Base64 code export directly in your browser.
Set Dimensions or Select Presets
Enter custom pixel width and height (e.g. 800x600, 1920x1080) or pick quick presets for e-commerce, social media, and ad banners.
Customize Colors, Fonts & Patterns
Pick solid background colors, 2-color gradients, pattern meshes (dots, grid, stripes), overlay text, typography font, and decorative icons.
Export Image or Copy Base64 Code
Download instant PNG, JPG, WebP, or SVG vector files, or click 1-click copy for Base64 Data URIs and HTML <img> tag snippets.
Standard Web & UI Placeholder Dimension Cheat Sheet
Use these standard pixel dimensions to generate clean mockup images for web pages, mobile apps, e-commerce, and banner advertisements.
| Platform / UI Standard | Recommended Size | Aspect Ratio | Common Use Case |
|---|---|---|---|
| Standard Blog Hero / Banner | 1200 x 630 px | 1.91:1 | Featured blog post headers & OpenGraph share cards |
| E-Commerce Product Thumbnail | 800 x 800 px | 1:1 | Amazon, Shopify & e-commerce product grids |
| Full HD Video / Screen Frame | 1920 x 1080 px | 16:9 | Standard 1080p video players & hero backgrounds |
| Instagram Square Post / Avatar | 1080 x 1080 px | 1:1 | Social media avatars & square feed mockups |
| Mobile Screen Prototype | 375 x 812 px | 9:19.5 | iOS / Android smartphone screen wireframes |
| Standard Leaderboard Ad | 728 x 90 px | 8.09:1 | Top website ad placement placeholders |
| Medium Rectangle Ad | 300 x 250 px | 1.2:1 | Sidebar website banner ad mockups |
| Profile Avatar Circle / Square | 150 x 150 px | 1:1 | User profile thumbnail placeholders |
Why Use Meema Tools Placeholder Generator?
Designed for web developers, UI designers, and creators who need fast, customizable, and private dummy images.
100% Private & Browser-Processed
Zero uploads to remote servers. All placeholder images generate instantly inside browser Canvas memory.
Custom Dimensions & Presets
Set exact pixel dimensions or choose standard presets for blog headers, e-commerce products, social posts, and ad banners.
Solid, Gradient & Pattern Styling
Customize solid studio colors, 2-color linear/radial gradients, and pattern mesh overlays (dots, grid, diagonal lines).
Multi-Format & 1-Click Code Copy
Export as PNG, JPG, WebP, or SVG, or copy inline Base64 Data URIs and HTML <img> tag snippets instantly.
Frequently Asked Questions
About Image Placeholders
Everything you need to know about browser-based dummy image generation, Base64 Data URIs, HTML image snippets, and privacy guarantees.
Privacy Guaranteed
All placeholder images are rendered locally in your browser memory using HTML5 Canvas & SVG. Zero images are uploaded to any server.
An Image Placeholder Generator is an online developer tool that creates dummy or mock images with custom pixel dimensions (width x height), colors, gradients, overlay text, and patterns. Designers and developers use them as temporary placeholders when building web layouts, mobile apps, or UI prototypes.
No! All placeholder images are generated 100% locally using HTML5 Canvas and SVG rendering in your web browser memory. Zero images or data are sent to any external server.
Yes! With 1-click buttons, you can instantly copy the Base64 Data URI (e.g. `data:image/svg+xml...`) or the ready-to-use HTML `<img>` tag snippet directly into your code editor or HTML template.
You can download your generated placeholders in PNG, JPG, WebP, and SVG (Scalable Vector Graphics) formats with resolution independence and crystal clear typography.
No. Meema Tools is 100% free with zero watermarks, unlimited downloads, and no registration required.
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