Why does the GIF look slightly different?

Lottie is vector-based with smooth gradients; GIF is limited to 256 colours per frame. Subtle gradients may show banding.

Higher FPS = better quality?

24–30 fps is the sweet spot. Above 30, GIF files balloon fast without much perceptible benefit.

將 Telegram 動態貼圖(.tgs Lottie)轉為可分享的動態 GIF。

100% client-side · Lottie + ffmpeg.wasm · no upload

TGS or Lottie JSON file

Output width (px) FPS Loop

Pick a .tgs sticker file (or its underlying Lottie JSON).

Export the sticker from Telegram as a .tgs file (long-press → share → save as file).
Pick the file, output width, and frame rate.
Press Convert to GIF.

Why does the GIF look slightly different?: Lottie is vector-based with smooth gradients; GIF is limited to 256 colours per frame. Subtle gradients may show banding.
Higher FPS = better quality?: 24–30 fps is the sweet spot. Above 30, GIF files balloon fast without much perceptible benefit.

Last updated: 2026-05-20 By jarvisbox