YouTube auto captions are created by speech recognition after you upload, for both regular videos and Shorts, in many languages. They're often good but not perfect, so YouTube recommends reviewing them. To fix mistakes, open YouTube Studio, go to Subtitles, pick the video and select Edit. For Shorts you also post on Reels or TikTok, burned-in captions are the safer choice.
This guide covers how YouTube auto captions work, how to check and edit them, why they sometimes don't appear, how to get more accurate captions before you even upload, and when to burn captions into the video instead.
How do YouTube auto captions work?
YouTube uses speech recognition to create captions automatically after you upload. According to YouTube, automatic captions are available on long-form videos and Shorts in dozens of languages. Because they're generated by machine learning, their quality varies, and accents, mispronunciations and background noise can cause errors. YouTube advises creators to always review automatic captions and edit anything that's wrong (YouTube Help: automatic captions).
Viewers see these as closed captions: they appear when the viewer turns on the CC button.
How to edit YouTube auto captions
Edit YouTube auto captions in YouTube Studio: open Subtitles, choose the video, and select Edit for the language you want to fix. When you edit automatic captions, YouTube creates a new caption track with your changes (YouTube Help: edit or remove captions).
Five clicks to fix a wrong word.
- Sign in to YouTube Studio.
- From the left menu, select Subtitles.
- Click the video you want to fix.
- For the language you want to edit, select Edit in the Subtitles column.
- Correct the words and timings, then save and publish your changes.
What to check first
- Names: your name, your business, your town, your product.
- Numbers: prices, percentages, dates. A wrong number in a caption is worse than no caption.
- Industry words: the terms an automatic system is least likely to know.
A 5-minute review routine for YouTube auto captions
You don't need to read every caption line by line. For a short video, this routine catches most mistakes in about five minutes.
- Read along at normal speed once, with the sound on. Pause only when a word looks wrong.
- Search for your names. Your name, business, product and town are where speech recognition fails most.
- Check every number against your script, especially prices and dates.
- Look at the first and last lines. Words spoken right at the start or end of a video are often clipped.
- Keep a list of words YouTube got wrong. Next time, say those slightly slower, or avoid them in your script.
Why aren't my YouTube auto captions showing?
YouTube lists several reasons automatic captions may not be created (YouTube Help):
| Reason | What to do |
|---|---|
| Still processing complex audio | Wait and check again later. |
| The language isn't supported | Upload your own caption file, or burn captions in. |
| The video is too long | Upload your own caption file. |
| Poor sound quality, or speech not recognized | Re-record closer to the phone in a quieter room. |
| A long silence at the start | Trim the start so the video begins on your first word. |
| Overlapping speakers, or several languages at once | One speaker and one language at a time. |
How to get more accurate auto captions before you upload
Most caption errors start in the recording, not in YouTube. Fix the sound and the captions improve on their own.
- Record close to the microphone in a quiet, soft room. See how to film yourself with a phone.
- Keep music out from under your voice, or very quiet.
- Say names and numbers clearly, with a tiny pause before them.
- Trim the dead air at the start. A silence remover does this in one step.
- One person, one language per video.
Auto captions or burned-in captions?
Use YouTube's auto captions for accessibility on YouTube. Use burned-in captions, which are part of the picture itself, when you want every viewer to see the words, or when you post the same video on Reels, TikTok or LinkedIn. For short talking-head videos, many creators do both.
Shorts you cross-post: burn them in.
| Closed captions (YouTube auto) | Burned-in captions | |
|---|---|---|
| Visible to | Viewers who turn on CC | Everyone |
| Editable after posting | Yes, in YouTube Studio | No, you re-export the video |
| Style | The viewer's player settings | Your choice: size, color, highlight |
| Works on other platforms | No, it stays on YouTube | Yes, anywhere you post the file |
| Effort | None, then review | Created in your editor before posting |
A caption style checklist for short videos
If you burn captions in, these rules keep them easy to read on a phone.
Readable at a glance, on a small screen, with the sound off.
- One or two short lines at a time.
- Big, bold font with strong contrast, such as white text with a dark outline or box.
- Highlight the word being spoken. It helps people follow along.
- Keep captions clear of the app's buttons at the bottom and the right edge of the screen.
- Check every name and number before you export.
The fastest way to caption a talking-head video on an iPhone
On YouTube: upload, wait for automatic captions, then review and fix them in YouTube Studio.
With SpeakHead: Auto captions transcribe what you said and let you edit every line. Then burn bold captions into the video, or share an .srt subtitle file you can upload to YouTube as your own caption track. Auto edit goes further, captioning every word karaoke style with the spoken word highlighted, in three caption styles. Captions send only the audio of the take you choose, and it's deleted after transcription. Free includes a taste. Pro includes 100 caption minutes a month.
SpeakHead is an iPhone app for talking-head videos: it writes ideas and scripts, shows the script right under the camera lens while you record, and turns the raw take into a finished short with captions, cuts and zooms in one tap. Recording and the teleprompter are free, with no watermark.
YouTube captions questions
Yes. According to YouTube Help, automatic captions are available on both long-form videos and Shorts, in many languages. Review them after upload, because speech recognition can get names, numbers and accents wrong.
Sign in to YouTube Studio, select Subtitles from the left menu, click the video, and select Edit for the language you want to fix. Editing automatic captions creates a new caption track with your changes.
They may still be processing, the language may not be supported, the video may be too long, the sound may be poor, there may be a long silence at the start, or several people or languages may overlap. Fix the audio, or upload your own caption file.
Often, but not always. YouTube says quality varies and can be affected by accents, mispronunciations and background noise, and recommends reviewing and editing them. Clear audio from close to the microphone makes the biggest difference.
Use YouTube's captions for accessibility on YouTube. Burn captions in when you want every viewer to see them, or when you post the same video on Reels, TikTok or LinkedIn. For short talking-head videos, many creators use both.
Yes. YouTube lets you add your own caption files, such as an .srt file, from the Subtitles section of YouTube Studio. That's useful when automatic captions aren't available for your language or keep getting words wrong.
Last updated 13 October 2026 by Niko Julius, maker of SpeakHead. YouTube details from YouTube Help, checked 13 October 2026. YouTube changes its tools often, so check the linked help pages for the latest steps.
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