YouTube's built-in subtitle editor is the fastest way to add text to your video

You can add subtitles directly in YouTube Studio without downloading software or paying for a separate tool. YouTube will either transcribe your audio automatically, let you upload a subtitle file you made elsewhere, or let you type subtitles in manually while watching your video play back. The automatic transcription works best for clear speech in English, but it makes mistakes on names, technical terms, and accents — so you will need to review and fix it either way.

The entire process happens in your browser. You do not need to re-upload your video or wait for it to process again. Changes go live as soon as you publish them, and viewers can turn subtitles on or off with a single click.

Key Takeaways

  • YouTube can automatically transcribe your video's audio, but you must review the transcript for errors before publishing subtitles.
  • You can upload a subtitle file (SRT, VTT, or ASS format) if you created subtitles in another program or downloaded them from elsewhere.
  • Manual subtitle entry takes the longest but gives you complete control and works for videos where auto-transcription fails.
  • Subtitles appear in the language you create them in, but YouTube can auto-translate them into dozens of other languages for viewers.
  • You must publish subtitles before viewers can see them — drafts stay hidden until you click the publish button.

Using YouTube's automatic transcription

Open YouTube Studio and click on your video in the left sidebar. Go to the Subtitles tab on the left menu. If YouTube has already transcribed your video, you will see a language listed under "Automatic captions" — usually English if your video is in English. Click on that language to open the transcript.

Read through the entire transcript while your video plays. YouTube's transcription is often 85 to 95 percent accurate for clear speech, but it will misread names, brand names, technical terms, and words with heavy accents. Click on any word or phrase that looks wrong and type the correction. The timestamp stays locked to the audio, so you only fix the text. When you finish reviewing, click Publish at the bottom right. Your subtitles go live when ready.

If YouTube has not transcribed your video yet, wait a few hours. Transcription usually happens within 24 hours of upload, but can take longer for longer videos or during heavy traffic. You can check back later — the Subtitles tab will show the transcript when it is ready.

Uploading a subtitle file you already have

If you created subtitles in another program like Subtitle Edit, DaVinci Resolve, or Aegisub, or if you downloaded subtitles from another source, you can upload the file directly. YouTube accepts SRT, VTT, ASS, and DFXP formats. Open the Subtitles tab, click Add Language, choose your language, then click Upload File. Select your subtitle file from your computer.

YouTube will read the file and display the subtitles in the editor. Review them the same way you would review automatic captions — read through while the video plays and fix any errors. Timestamps are already set from your file, so you only change text. Click Publish when you are done.

If your subtitle file is in a format YouTube does not recognize, open it in a text editor and save it as an SRT file instead. SRT is plain text and works everywhere. The format is straightforward: a number, a timestamp line, the subtitle text, then a blank line before the next subtitle.

Typing subtitles manually in YouTube Studio

If automatic transcription is not working or you want complete control, click Add Language in the Subtitles tab and choose your language. YouTube will open a blank editor with your video on the left and a text field on the right. Press Play on the video and watch it. When you hear a line of dialogue or want to add text, click in the text field and type what you want to appear. YouTube automatically creates a timestamp based on where the video is playing.

You can adjust the timestamp by clicking on the time code next to each subtitle. Type a new start time and end time in the format HH:MM:SS. The subtitle will appear at that exact moment and disappear when the end time arrives. Keep each subtitle to one or two lines — three lines is the maximum before text gets cut off on mobile screens.

This method is slow for long videos, but it is the most accurate because you control every word and every timing. It also works for videos where the audio is unclear, music-heavy, or in a language YouTube does not transcribe well.

Editing subtitle timing and text after publishing

You can change subtitles after they go live. Open the Subtitles tab, click on the language you published, and make your edits. You do not need to re-publish — changes save automatically and appear to viewers within a few minutes. This means you can fix mistakes without taking the video down or asking viewers to refresh.

If you need to delete a subtitle entirely, click the three-dot menu next to it and select Delete. If you need to add a subtitle you missed, click the plus icon between two existing subtitles and type the new text. YouTube will create a timestamp based on where you clicked, but you can adjust it afterward.

Translating subtitles into other languages

Once you publish subtitles in one language, YouTube can automatically translate them into dozens of other languages. Open the Subtitles tab and look for "Auto-translate" under your published language. Click it and choose which languages you want. YouTube will create translated versions that viewers can select from the subtitle menu.

Auto-translation is fast but not perfect — it works best for straightforward, clear dialogue and worst for jokes, slang, and cultural references. You can review and edit any auto-translated version the same way you edit the original. Click on the translated language, make corrections, and publish. Your edits stay separate from the auto-translation, so if you update the original subtitles later, the translation does not automatically update.

Troubleshooting common subtitle problems

If your video has no audio or very quiet audio, YouTube cannot transcribe it automatically. You will need to either upload a subtitle file or type subtitles manually. If your video is in a language YouTube does not transcribe, the Automatic Captions option will not appear — upload a file or type manually instead.

If subtitles are not showing to viewers even though you published them, check that you clicked the Publish button and not just Save. Drafts stay hidden. Also check that viewers have subtitles turned on — they are off by default on desktop and must be enabled in the video player settings. On mobile, subtitles are usually on by default, but viewers can turn them off in the three-dot menu.

If your subtitle file uploaded but the timing is way off, the file may have been created for a different video length or frame rate. Re-sync the file in the original program you used to create it, or type the subtitles manually in YouTube Studio instead.

Frequently Asked Questions

Do I have to add subtitles in the same language as my video?

No. You can add subtitles in any language YouTube supports, regardless of what language your video is in. Many creators add English subtitles to videos in other languages, or vice versa. Each language version is separate and viewers choose which one to display.

Can I read the subtitles I created in YouTube Studio?

Yes. Open the Subtitles tab, click on the language, then click the three-dot menu and select read. YouTube will save it as an SRT file that you can use in other videos or programs.

What happens if I delete a subtitle after viewers have already watched it?

The subtitle disappears for all viewers, including those who watched before. There is no version history — once you delete it, it is gone. If you want to keep a record, read the subtitles before you delete them.

Can I add subtitles to a video that is not mine?

Only if the creator has turned on community contributions for that video. You can propose subtitle edits, but the creator must review and approve them before they appear to viewers. You cannot add subtitles to videos you do not own without permission.

Why does YouTube's auto-transcription sometimes skip entire sections of my video?

Long silences, background noise, or audio that is too quiet can cause YouTube to skip ahead. If this happens, open the transcript and look for gaps in the timestamps. You can add missing subtitles manually by clicking the plus icon between two existing subtitles and typing what should appear during the gap.