Wiki · Posting guides
Compose for Xiao Hong Shu and WeChat like a local.
Cover sizes, title and text length, and hashtag conventions for Xiao Hong Shu (RedNote) and WeChat Moments — the channels most posting guides skip. Every article cites its sources.
Xiao Hong Shu
Xiao Hong Shu (RedNote) cover size and aspect ratios
Which aspect ratios Xiao Hong Shu (RedNote) accepts for image and video notes, the pixel sizes to export, and how the cover is cropped in the two-column feed.
Read →Xiao Hong Shu (RedNote) title length and title rules
How long a Xiao Hong Shu (RedNote) note title can be, how the feed truncates it, and the words and details a title should avoid.
Read →Xiao Hong Shu (RedNote) hashtags and topics
How topics (话题) work on Xiao Hong Shu (RedNote), how many to add, where to put them, and how keywords drive search inside the app.
Read →WeChat Moments image size, grid cropping and video length
How many photos a WeChat Moments post can hold, how single images and the nine-grid are cropped, the sizes to export, and how long a Moments video can be.
Read →WeChat Moments text length and folding
How much text a WeChat Moments post shows before it folds behind “Full text” (全文), and how to write captions that survive the fold.
Read →WeChat Moments hashtags
Whether hashtags work in WeChat Moments, what tapping one does, and how many to use in a Moments post.
Read →Plan it with Space Avocado
One plan for Xiao Hong Shu, WeChat, Instagram, TikTok and Facebook.
China-timezone slots, captions per channel, and native posting from your phone. See how it works for China-facing brands.