Once you've converted a TikTok sticker to GIF, you've got a file that works almost anywhere. Here's where it works best.
Discord
Discord plays animated GIFs inline in chat. You can also upload them as custom server emojis if you have Nitro or manage a server. TikTok stickers make great reaction emojis because they're expressive and most people haven't seen them outside of TikTok.
iMessage
Drop a GIF file into an iMessage conversation and it plays right in the chat. The person receiving it doesn't need TikTok, a special app, or anything. It just plays.
WhatsApp supports GIFs in chat on both iOS and Android. Send it the same way you'd send any image. It autoplays in the conversation.
Tenor and Giphy
Upload your converted GIF to Tenor or Giphy and it becomes searchable. Anyone using a keyboard or app that pulls from those platforms can find it. If the sticker is popular or funny, it can get a lot of impressions this way.
Reddit supports GIF uploads in posts and comments. Good for reaction content or adding some personality to a thread.
Most email clients display GIFs inline. If you're sending something casual or want a fun header image, a converted sticker works fine.