lottie
    Comparison Guide

    JSON Animation vs Video: Complete Analysis

    When should you use lightweight JSON animations (Lottie) and when is traditional video the right call? A data-driven comparison across performance, quality, and use cases.

    Feature-by-Feature Comparison

    Feature
    JSON Animation
    Video (MP4/WebM)
    Winner
    File Size (5s content)
    10-100 KB
    500 KB - 5 MB
    JSON
    Visual Quality
    Vector-crisp at any resolution
    Fixed resolution, compression artifacts
    JSON
    Scalability
    Infinite — vector-based rendering
    Fixed pixels, degrades when scaled
    JSON
    Interactivity
    Play/pause/scrub/events/triggers
    Basic play/pause, no event hooks
    JSON
    Transparency
    Full alpha channel support
    WebM only (no MP4 transparency)
    JSON
    Platform Support
    Needs player library (web, iOS, Android)
    Universal native playback
    Video
    Photorealistic Content
    Not suitable for photos/footage
    Designed for real-world footage
    Video
    Audio Support
    No native audio
    Full audio track support
    Video
    Social Media Sharing
    Not directly supported
    Upload anywhere instantly
    Video
    Bandwidth Usage
    Minimal — text-based JSON
    Heavy — binary encoded frames
    JSON
    Rendering Cost
    CPU/GPU renders in real-time
    Pre-rendered, decode only
    Video
    Editability
    Modify colors, speed, content via code
    Requires re-rendering to edit
    JSON

    Size & Performance Benchmarks

    UI loading animation

    JSON: 8 KB Lottie

    Video: 400 KB MP4

    Savings: 98%Winner: JSON

    Product feature tour

    JSON: 120 KB Lottie

    Video: 3.2 MB MP4

    Savings: 96%Winner: JSON

    Promotional footage

    JSON: Not suitable

    Video: 5 MB MP4

    Savings: N/AWinner: Video

    App onboarding (3 scenes)

    JSON: 95 KB Lottie

    Video: 8 MB MP4

    Savings: 99%Winner: JSON

    Testimonial with audio

    JSON: Not possible

    Video: 2 MB MP4

    Savings: N/AWinner: Video

    Animated icon set (20 icons)

    JSON: 60 KB total

    Video: 10 MB (20 clips)

    Savings: 99.4%Winner: JSON

    Use Case Decision Matrix

    Use Case
    Recommendation
    Why
    Hero section animation
    JSON (Lottie)
    Scales perfectly, tiny file size, interactive
    Product demo video
    Video (MP4)
    Shows real UI, audio narration, screen recording
    Empty state illustration
    JSON (Lottie)
    Lightweight, scalable, theme-adaptable
    Social media ad
    Video (MP4)
    Universal platform support, audio capable
    Loading/progress indicator
    JSON (Lottie)
    Tiny file, infinite loop, controllable
    Customer testimonial
    Video (MP4)
    Real person, audio, emotional connection
    Animated infographic
    JSON (Lottie)
    Data-driven, scalable, interactive segments
    App store preview
    Video (MP4)
    Required format, shows real app footage

    When to Use Which?

    Choose JSON Animation When

    • Content is illustrated, not photographic
    • File size and page speed are priorities
    • Animation needs to scale across devices
    • You need interactive, controllable playback
    • Same animation serves web, iOS, and Android
    • Content is UI-focused (icons, states, transitions)

    Choose Video When

    • Content involves real-world footage or photos
    • Audio narration or soundtrack is needed
    • Target platform requires video format (social, app store)
    • Content is long-form (over 30 seconds)
    • Photorealistic quality is essential
    • Universal playback without JavaScript is required