How to Add Captions to YouTube Videos: Top 3 Methods + Bonus

Captions make YouTube videos easier to follow when viewers watch without sound, when dialogue is difficult to hear, or when the audience includes people who are deaf or hard of hearing. They can also help viewers understand fast speech, unfamiliar accents, and spoken content in another language.

Fortunately, you don't have to type every subtitle manually. You can generate captions with YouTube Studio or create and style them before uploading with a video editor.

In this guide, we'll show you how to add captions to YouTube videos on mobile, directly in YouTube Studio, and on a desktop with Filmora Auto Caption and Dynamic Captions.

How to Generate Captions for YouTube Videos on Mobile

If you edit YouTube videos directly on your phone, Filmora Mobile provides AI Captions for automatically turning spoken dialogue into synchronized text. It is available on both iOS and Android and lets you edit and style the generated captions before exporting your video.

This can be particularly useful for YouTube Shorts and other vertical videos where captions are part of the visual presentation.

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Step 1: Open the Filmora App and tap AI Captions from the main interface.

Step 2: Select the video you want to caption and choose the spoken language or use the available automatic language identification option.

Depending on the available version and settings, Filmora Mobile's AI caption workflow can also provide additional caption enhancement options.

Step 3: Generate the captions and choose an available caption style or template.

Step 4: Tap Project Edit if you want to correct the generated text or customize the font, color, and caption style.

Step 5: Open Template to explore additional visual treatments for your captions.

Step 6: Review the available fonts and styles and correct any transcription errors before publishing.

Step 7: Preview the completed video and tap Export when you're ready to save it.

Automatic captions can significantly reduce transcription time, but always review names, numbers, product names, specialist terminology, and unclear dialogue before uploading your video to YouTube.

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How to Add Captions in YouTube Studio

YouTube also provides built-in subtitle tools, so you don't necessarily need a separate video editor if you only want to add basic captions after uploading a video.

YouTube can automatically generate captions for supported videos and languages. However, automatically generated text should always be reviewed because background noise, accents, names, technical terminology, and unclear speech can lead to transcription errors.

Method 1: Use YouTube's Automatic Captions and Translation

If YouTube has generated automatic captions for your video, you can review and manage them through YouTube Studio.

Step 1: Open YouTube Studio and select Subtitles from the left-hand menu.

Step 2: Select the video you want to edit and review the available language and subtitle options.

Step 3: Review YouTube's automatically generated captions and correct any transcription errors before publishing them.

Method 2: Upload a Subtitle File to YouTube

If you have already created captions in another tool, you can upload a supported subtitle file directly to YouTube Studio.

Step 1: Open the Subtitles section for the video.

Step 2: Choose Upload File.

Step 3: Select whether your subtitle file includes timing information.

Step 4: Upload the file, review the captions, and save your changes.

This workflow is particularly useful if you generate and correct your captions in a video editor before uploading the finished video to YouTube.

Method 3: Add YouTube Captions Manually

You can also type subtitles manually if you want complete control over the transcript.

Step 1: Open the video's Subtitles section in YouTube Studio.

Step 2: Choose the option to enter subtitles manually.

Step 3: Play the video and enter the corresponding caption text while adjusting the timing when necessary.

Step 4: Review the completed captions and publish them.

How to Create YouTube Captions on PC with Filmora

YouTube Studio works well for basic captions after a video has been uploaded. But if you want captions to be part of the video's visual design, it can be more convenient to create them during editing.

Filmora Auto Caption combines automatic speech-to-text transcription with caption editing, translation, styling, and Dynamic Captions on Windows and Mac.

According to Filmora, Auto Caption can reach up to 99% transcription accuracy with clear audio. It supports transcription in 50+ source languages and caption translation into 30+ languages.

Generate Auto Captions with Speech to Text

For standard YouTube subtitles, Filmora's Speech to Text workflow can automatically convert dialogue into synchronized captions that you can review and customize before exporting.

Step 1

Generate YouTube Captions with Speech to Text

Import your video into Filmora and add it to the timeline. Open Titles > AI Captions > Speech to Text. Choose the spoken language and other available settings, then click Create to generate synchronized captions.

Step 2

Review and Edit the Captions

Open the generated caption track and review the transcript. Correct names, terminology, punctuation, or other words that were not recognized correctly.

Step 3

Customize the Caption Style

Customize the visual appearance of your captions and apply consistent styling across the subtitle track before exporting your YouTube video.

Create Dynamic Captions for YouTube Videos

For YouTube Shorts, talking-head videos, podcasts, tutorials, interviews, and other creator-focused content, Filmora also provides Dynamic Captions.

Instead of displaying only standard subtitle lines, Dynamic Captions can highlight individual words as they are spoken, emphasize important phrases, and apply animated visual treatments to the text.

Step 1

Generate Dynamic Captions

Open Titles > AI Captions > Dynamic Captions. Choose the spoken language and translation settings if needed, then click Create.

Step 2

Highlight Active Words and Key Words

Use Active Word to highlight words as they are spoken or Key Words to emphasize important words and phrases. You can also apply animations and consistent styling across the captions.

Step 3

Emphasize Important Words

Select important words within the generated captions and apply Emphasis to make them stand out. Preview the final result before exporting your video.

Why Use Dynamic Captions for YouTube?

Traditional subtitles focus primarily on readability and accessibility. Dynamic Captions can also become part of the video's visual presentation, which makes them especially useful for YouTube Shorts and other fast-paced creator content.

• Active Words: Highlight individual words as the speaker says them.
• Key Words: Automatically identify and emphasize important words or phrases.
• Multi-Speaker Detection: Detect multiple speakers and add speaker labels to make conversations easier to follow.
• 100+ Caption Templates: Apply ready-made styles such as Bubble, Neon, Karaoke, Cinematic, and TikTok-inspired treatments.
• 120+ Animations: Add motion to captions without manually animating each text element.
• Caption Translation: Translate generated captions into 30+ supported languages for multilingual YouTube audiences.

Tip: Dynamic Captions are useful when you want the subtitles permanently visible as part of the video. If you want viewers to be able to turn captions on or off in the YouTube player, use a separate caption track or upload a supported subtitle file to YouTube Studio.

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For detailed instructions, see the Filmora Auto Caption Guide for Windows or the Auto Caption Guide for Mac.

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Conclusion

There are several ways to add captions to a YouTube video. YouTube Studio is convenient when you want to generate, upload, or edit a traditional subtitle track after uploading. Filmora Mobile provides an alternative for creators who want to generate and style captions directly on a phone.

For desktop editing, Filmora Auto Caption combines Speech to Text with caption editing, translation, and Dynamic Captions. Active Words, Key Words, templates, and caption animations can be particularly useful when creating YouTube Shorts or other videos where captions are part of the visual style.