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Drop one WEBP or two hundred. Batch conversion is not a paid feature here.
An animated WEBP downloaded from a sticker pack or a site needs to go somewhere that still only takes GIF, such as an older chat client or a forum.
Frames are decoded and re-quantised to a 256-colour palette per frame, then packed as GIF. Timing information is carried over. The GIF will be several times larger than the WEBP it came from.
Animated WEBP allows per-frame alpha blending; GIF allows one transparent palette index and a crude disposal method. Semi-transparent edges become hard, and animations built on cross-fades can leave visible ghosting between frames.
WEBP compresses animation with inter-frame prediction similar to video. GIF only has LZW per frame, so it stores far more data for the same motion.
Cut the frame rate and the dimensions. Those two knobs dominate GIF size far more than any palette tuning.
Drop one WEBP or two hundred. Batch conversion is not a paid feature here.
Graphics Interchange Format is lossy, so the quality control decides the trade between size and fidelity.
Converted and deleted the moment it finishes. Never written to permanent storage.