Combine multiple images into a single CSS sprite sheet. Reduce HTTP requests and improve your website's performance with perfectly generated CSS positions.
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Online CSS Sprite Sheet Builder
Combine multiple small images into a single sprite sheet to improve website performance. Generates the necessary CSS background positions automatically.
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Select files or drag & drop here
Processed 100% locally in your browser. Your files never touch an external server.
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100% Client-Side Privacy•No File Size Limits•Free Forever
About Online CSS Sprite Sheet Builder
FusioFiles 100% Client-Side Privacy Guarantee
Your files and data never leave your browser — processed directly on your device.
Zero Server UploadsExecution occurs entirely in browser memory via WebAssembly and HTML5 Canvas.
HIPAA & GDPR ReadySafe for confidential tax forms, medical records, financial sheets, and legal contracts.
Zero Cloud LatencyInstant results with no upload delays, server queues, or third-party tracking.
Automatic RAM PurgeBuffers and caches are automatically wiped clean the instant you close the tab.
1
Upload Icons
Select all the small images you want to combine.
2
Configure
Adjust padding and layout settings.
3
Download
Save the sprite image and copy the provided CSS.
Key Features
Sprite Sheet Export
Combine small images into one optimized sprite sheet.
Generated CSS
Copy background-position rules for each sprite automatically.
Performance Friendly
Reduce separate image requests for icon-heavy interfaces.
Frequently Asked Questions
PNG is recommended for sprite sheets to maintain transparency and quality.
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