Formats & playback 5 min read
Animated GIF vs Animated WebP: Differences, Size and When to Use Each
GIF survives on inertia: 256 colors, no partial frames, huge files. Animated WebP fixes all three and browsers have supported it for years — the open question is only non-browser surfaces.
Technical comparison
- Color: GIF 256 per frame; WebP 24-bit with alpha — gradients and shadows survive.
- Compression: WebP keyframe + delta frames; typically 25–50% smaller at like-for-like quality.
- Features: WebP supports transparency per-pixel; GIF transparency is binary.
- Compatibility: all modern browsers decode animated WebP. Chat apps vary — WeChat converts uploads; some older CMS pipelines still assume GIF.
Decision rule
Web-only delivery → WebP, always. Chat stickers where the platform re-encodes anyway → either, GIF is the tradition. E-mail signatures and ancient embed surfaces → GIF for safety. Convert once, keep both if unsure — the format choice is reversible since the source is usually a video anyway.