Twitch now does much of the job itself. Make a clip of up to 60 seconds, and Twitch creates a portrait version next to the landscape one, with a suggested crop that keeps your camera and gameplay in frame. You can adjust that layout, add Twitch's captions, and, on clips of your own channel, post straight to TikTok or YouTube Shorts from the Share menu. Every step here was checked against Twitch's help article on clips on 21 October 2026.
Take the longer route, downloading the portrait MP4 and captioning it yourself, when you want captions in a particular style, captions placed around your facecam, or a file you can post from your phone. That route is below too, along with the YouTube Shorts rules that matter for gameplay clips.
The whole workflow at a glance
| Step | Where you do it | What Twitch's help says (21 Oct 2026) |
|---|---|---|
| Make the clip | Clip icon on a live stream or past broadcast | Up to 60 seconds, then add a title and Publish |
| Portrait layout | Creator Dashboard, Content, Clips, scissor icon | Stacked or Full; portrait editing is not on mobile yet |
| Twitch captions | Add Captions at creation, or the clip's edit menu | Edit the text or switch them off within 30 days |
| Download | Share menu, Download | Landscape or portrait, for your channel's clips or clips you made |
| Post directly | Share menu | YouTube Shorts, TikTok, Instagram and Snapchat |
Step 1: Make the clip on Twitch
On a live stream or a past broadcast, click the clip icon. On a phone you may need to tap the video first for it to appear. The Clip Creator opens as an overlay, so the stream keeps playing while you work.
- Drag the slider under the player to set the length. Twitch allows up to 60 seconds.
- Check the crop suggestion. Twitch looks for your camera and your gameplay and proposes a frame that keeps both. You can accept it, adjust it or dismiss it.
- Give the clip a title and click Publish. A clip without a title and a publish is not saved.
If you are the streamer, you can also clip hands-free: say "Twitch, Clip That" during the broadcast and Twitch makes a clip and drops it in your Clips Manager.
Two things stop clipping. The streamer can switch clips off or limit them to followers or subscribers, and Twitch warns that clipping the first minute and a half of a VOD can fail.
Step 2: Set the portrait layout for TikTok
TikTok and Shorts are vertical, so the 9:16 version is the one you want. Twitch makes it for you, but check it before you share.
- Go to Creator Dashboard, then Content, then Clips.
- Select the clip and click the scissor icon to open the editor.
- Choose Edit Layout and pick one of the two portrait layouts.
- Apply the changes and save the clip.
Stacked or Full
Stacked splits the frame into two boxes, one for your camera and one for the game, and you drag the line between them to change their sizes. Use it for most gameplay streams with a facecam. Full uses one box. Use it when there is no camera, or when the game action needs the whole height of the screen.
Twitch remembers the last layout you set and uses it for future clips of your channel, including clips your viewers make. If your portrait clips show the landscape picture with black bars, Twitch's fix is to edit the portrait layout of any one clip; it then generates later clips in that layout.
Do this step in Twitch, or in a video editor, before anything else. Portrait editing is not available on the Twitch mobile app yet, so use a computer.
Step 3: Decide whose captions to use
Most people watch TikTok and Shorts with the sound low or off, so a gameplay clip without words on screen loses the joke. You have two options.
Twitch's own captions
Clips made with Clip That or Auto Clips include captions by default. For other clips, captions are there if "Add Captions" was ticked when the clip was made, and that option only appears if the streamer has switched captions on in Clips Settings.
You and your channel editors can switch captions off or correct the wording for 30 days after a clip is made. Open the clip in the Clips Manager, choose Edit, then Edit Text, and save. After 30 days the captions are locked. Twitch also runs edited text through AutoMod, which masks explicit words in the final clip. Captions on Auto Clips made before 14 July 2026 are part of the video and cannot be removed.
Twitch's help page does not describe caption styles or say which languages it captions, so watch the preview before you post.
Your own burned-in captions
Caption the clip yourself when you want a particular look, such as big word-by-word text, captions that sit between the camera box and the game, or wording you control without a 30-day window. If you go this way, switch Twitch's captions off on that clip before you download it, or you will end up with two sets of words on screen.
Step 4: Download the clip
In the clip's Share menu, choose Download and pick the portrait version. Twitch lets channel owners download clips of their own channel, and lets viewers download clips they made themselves.
If only the landscape version is offered, Twitch has not made a portrait version of that clip yet. Edit the clip, change the portrait layout, save it, wait about a minute for it to render, and try again.
Step 5: Add styled captions to the portrait MP4
This is where a caption tool comes in. In CapsAI the steps are:
- Upload the portrait MP4. CapsAI takes MP4 or MOV files up to 10 minutes, so one clip or a short run of clips fits. It does not import Twitch links; you upload the file you downloaded.
- Pick the language you speak on stream: English, Hinglish, Hindi, Bengali, Telugu, Marathi, Tamil, Urdu, Gujarati, Kannada or Punjabi. Captions come out in that language; nothing is translated.
- Play the draft with the sound up. Fix player names, game terms, chat handles and any line the game audio drowned out.
- Set words per frame to 2 or 3 for fast reading, and pick a style.
- Move the captions with the vertical position slider. It runs from the middle of the frame to near the bottom, so on a Stacked layout you can put them just below the seam between camera and game.
- Export. The captions are burned into the MP4.
One limit matters for Twitch clips. The CapsAI caption editor cannot crop, reframe or resize, and the export keeps the shape of the file you upload. That is why the portrait layout comes first, in Twitch. Upload a landscape clip and you get a landscape video back. To turn a long video into short clips from a full stream recording, CapsAI has a separate Smart-Clips tool that takes uploads of up to 120 minutes and reframes them to 9:16; the caption editor itself does not.
Before you export, check where TikTok's buttons and caption text will cover the frame. The TikTok subtitle safe zone tool shows the overlay on a 9:16 frame, and the TikTok caption generator page covers styles that read well on TikTok.
You get 3 free minutes to start. After that, packs start at $4 for 20 minutes (₹49 in India, €4 in the euro area), paid once, and watermark-free export comes with every paid pack.
Step 6: Post to TikTok and YouTube Shorts
Posting straight from Twitch
From the Share menu, channel owners can post a clip directly to YouTube Shorts, TikTok, Instagram or Snapchat. Twitch fills in a title and description that point viewers back to your stream, and you can replace them. Viewers can post a streamer's clips to their own accounts only if the streamer allows it; on TikTok and Instagram, Twitch then adds the streamer's channel name as a hashtag that cannot be removed.
Direct posting sends Twitch's version of the clip. If you captioned the file yourself, post that file instead.
Uploading your captioned file
Move the exported MP4 to your phone and upload it in the TikTok app as a new video. Do not switch on TikTok's own auto captions for it, because your captions are already in the picture. We could not read TikTok's help center on 21 October 2026 (it returned an error), so check the upload screen for the current length and size limits.
For YouTube, Google's help pages on what counts as a Short and creating Shorts give these rules, read on 21 October 2026:
- What counts as a Short: a square or vertical video up to three minutes long. A 16:9 upload is treated as a regular video.
- Resolution: Shorts upload at up to 1080p.
- Copyright claims: a Short longer than one minute with an active Content ID claim is blocked worldwide. A single Twitch clip is 60 seconds at most, so this only bites if you join clips into something longer. Game soundtracks and stream music are the usual source of claims.
The YouTube Shorts subtitle generator page covers caption placement for Shorts.
If something goes wrong
- No clip button, or "You do not have permission": the streamer has switched clips off or limited them.
- Portrait clip has black bars: edit the portrait layout once in the Clips Manager.
- No "Add Captions" option: the streamer has not turned captions on in Clips Settings.
- Cannot edit the caption text: the clip is more than 30 days old, or it is not a clip of your channel. Twitch gives caption editing to the channel owner and the channel's editors.
- Captions in the wrong place after you add your own: go back a step and move them with the position slider; the editor will not move the picture.
What to do next
If you want styled captions on clips you have already cut, start with the Twitch clip captions page, which walks through the same download-then-caption route in more detail. If you would rather have software find the moments in a long stream for you, the Eklipse alternative page compares that approach with captioning clips you choose yourself.