Answers · Duets, stitches & community
How do duets work on TikTok?
Short answer: A duet plays your video side by side with someone else's clip, both running at the same time, so you can react to it, add to it, or perform alongside it. Tap Share on any duet-enabled video, pick Duet, record your half, and post — the original creator is credited automatically.
How to post a duet
- Open the video you want to duet, tap the Share arrow, and choose Duet. If you don't see the option, the creator has duets turned off for that post.
- Pick a layout — side by side is standard, but you can also use green screen, top/bottom, or picture-in-picture depending on the effect you want.
- Record your half. The original plays on one side while you film on the other, so you can react in real time or match its timing.
- Trim, add text or captions, then post. TikTok tags the original creator automatically and links back to their video.
Anyone can duet a public video unless the creator has disabled it. You can also turn duets off for your own posts, or limit them to friends, in the privacy settings before you publish. These toggles move around between app updates, so check the in-app privacy screen if you can't find one.
When duets are worth making
Duets earn their keep when you add something the original didn't have — a reaction people want to see, a correction, a punchline, a harmony, a demo. A duet that just sits there silently next to a viral clip rarely does much. The best ones borrow the original's momentum and give viewers a reason to watch both halves.
- React to or critique something in your niche — your take is the value, the clip is the setup.
- Answer or build on a bigger creator's video to get in front of their audience.
- Join a duet chain or trend where people keep stacking onto the same original.
- Collab remotely — duet a friend's video so you both share each other's viewers.
Duetting a much bigger creator can put you in front of their audience, but only if your half is genuinely worth watching. Riding a viral clip with a flat reaction won't do it — the clip gets the credit, not you.
Know your score before you post
ReelTok's AI analyzes your video on your iPhone — a 0–100 virality score, predicted reach, hooks, and fixes before you share.
Related questions
- What is a stitch on TikTok and how do you use it? — A stitch lets you clip up to five seconds of someone else's video and use it as the intro to your own, then continue with your own footage.
- How do you use reply-with-video on TikTok? — Tap any comment on your video — or someone else's, if they've enabled it — hit the video-camera icon in the reply box, and film a response.
- How do you collaborate with other TikTok creators? — You collaborate on TikTok through native features like duets, stitches, and reply-with-video, plus off-platform coordination — cross-promotions, shoutout swaps, joint videos, or filming together.
- How do you find creators to collab with on TikTok? — Look for creators near your size — a few thousand to low tens of thousands is easiest to reach — who serve the same audience but aren't direct rivals.
- How do you jump on a TikTok trend early? — Catch trends early by watching creators slightly bigger than you and outside your niche, saving sounds the moment they show an upward arrow, and posting your version within a day or two of first spotting it.
More: browse all creator answers, read the growth guides, look up a term in the glossary, or generate hooks for your niche.