How to add subtitles on YouTube videos
On your computer, visit YouTube in a browser. Log into your account, then click your profile picture in the top right to open the menu.
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From the subsequent dropdown menu, click YouTube Studio.
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Within YouTube Studio, scroll down the menu on the left and click the Subtitles tab.
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From the list of available content, click the video you want to add subtitles to.
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NOTE:
You must select a video language before you can add subtitles to your video.
Under the Subtitles column, click ADD.
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This is how you add or edit subtitles on your YouTube video. You will notice four different ways to add captions: Upload file, Auto-sync, Type manually, and Auto-translate. Let’s go over each method.
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Upload
If you click the Upload file button, you can upload subtitles to your video as files from your computer.
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Under Select subtitle file type, choose either With timing or Without timing. After that, when you click CONTINUE, you must locate the subtitle file from your computer.
What is the format for subtitle files on YouTube?
You can upload subtitles to YouTube in the following file types:
- .txt
- .srt
- .sbv or .sub
- .mpsub
- .lrc
- .cap
- .smi or .sami
- .rt
- .vtt
- .ttml or .dfxp
- .scc
- .stl
- .tds
- .cin
- .asc
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Click on the file you want to upload to add it to your video.
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You can edit the timing on your text file to mirror the video. When finished, click PUBLISH.
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Auto-sync
The Auto-sync option allows you to enter subtitles and captions while watching the video. The video playback area appears on the righthand side.
Alternatively, you can upload a transcript, which will automatically sync to your video. The transcript must be in the same language that is being spoken in the video.
Click Auto-sync.
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Enter the subtitles for your video and edit the timings so they all line up. This means that the timestamps’ beginning and end encompass everything typed out (or uploaded) in the subtitles you’ve added.
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When ready, click PUBLISH. When you watch the video, the words should automatically sync with what is said.
Manually
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Set the timings for your subtitles, then manually type in all of the subtitles as you want them to appear. Click PUBLISH when ready.
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Auto-translate
Auto-translate is not available for captions that have been automatically generated on YouTube. You must use one of the above options (Upload file, Auto-sync, or Type manually) to set your subtitles; then you will be able to enable Auto-translate.
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Publish a set of subtitles for the video in its original language. After that, click ADD LANGUAGE and add a different language you’d like subtitles for.
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In that new language, the Auto-translate button may now be clickable. Select it.
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Make sure the translation is correct, then click PUBLISH.
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