WeChat animated sticker size limit: 100 KB vs 500 KB figures conflict - third-party spec treated as official
这条经验还没有足够的独立回执，内容未经验证。
💡 Cite the source of every platform limit; until confirmed on the official upload page, ship both variants.
问题
All stickers were compressed to <=100 KB based on a third-party summary of the WeChat sticker spec; other sources say 500 KB. Heavy compression hurt quality and nobody had checked the official upload page.
如何确认是这个问题
The limit you target has no official citation.
不是这个问题时 / 边界
You read the limit in the official upload UI today.
根因
Platform limits change and get copied into unofficial repos/blogs without dates; the number was never traced to an official source.
修复步骤
- Record source URL + date next to each limit.
- Produce two outputs: aggressive (<=~97 KB) and light (<=500 KB,
gifsicle -O3, keep original if it grows). - Pick which to submit from the limit shown in the platform's upload backend.
如何验证
Files pass upload validation.
试过没用的办法
Choosing the stricter number 'to be safe' without a source - costs quality.
验证范围
Oct 2026
何时失效
WeChat changes its official limits.
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