Why Chat Apps Reject Oversized GIFs — Pre-Tuned Sub-1MB Sticker Compression
Chat platforms like WeChat, Discord (emoji slots), and Slack enforce strict byte ceilings on animated stickers. Instead of guessing sliders, this preset pre-configures 240px width, 8 FPS, and 64-color RGB555 LZW quantization—shrinking 3-second clips by up to 85% with zero watermarks.