Keyframe Animation Builder

Build CSS keyframe animations visually — timeline editor

🔒 Files never leave your browser

Preview

Animation Settings

Keyframes

CSS Code

 
 
   
 
  
   
 

How to Use Keyframe Animation Builder 
 
 
  
Add keyframes
 
Add keyframe stops at 0%, 50%, 100% etc.
 
  
Set properties
 
Set transform, opacity, color at each stop.
 
  
Copy CSS
 
Copy the @keyframes and animation CSS.
 
 
 
  
 

Why Choose AllTools Keyframe Animation Builder?

 
     
  •  ✓ 100% free, no account needed 
  •  ✓ Visual timeline 
  •  ✓ Transform properties 
  •  ✓ Opacity and color 
  •  ✓ Animation preview 
  •  ✓ No data stored or transmitted 
    •  
 
  
 

Why Use This Tool

 
     
  •  ★ Live preview as you adjust settings 
  •  ★ Clean, production-ready CSS output 
  •  ★ No account or sign-up required 
  •  ★ Copy generated code with one click 
  •  ★ Works on any device with a modern browser 
    •  
 
    
 

Related Resources

 
  CSS animations →
 CSS transforms →
 CSS filters →
 
 
  
 

Frequently Asked Questions

 
 
  What properties can I animate? 
▼
  
 Transform (translate, rotate, scale), opacity, and background-color at each keyframe stop. 
 
  Is there a file size limit? 
▼
  
 No strict limit. Processing happens in your browser, so capacity depends on your device memory. Most files work smoothly. 
 
  Which browsers are supported? 
▼
  
 All modern browsers including Chrome, Firefox, Safari, Edge, and Opera on both desktop and mobile. 
 
  Can I use this offline? 
▼
  
 Yes. Once the page is loaded, the tool works without an internet connection since all processing is local. 
 
  Is my data secure? 
▼
  
 Yes. Your data never leaves your browser. Nothing is stored on or transmitted to any server. 
 
  Does this work on mobile? 
▼
  
 Yes. All AllTools tools are fully responsive and work on phones and tablets. 
 
 
 
 
  
     
 

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