Adding captions, also known as subtitles, to your YouTube videos is an essential step to make your content more accessible to a broader audience and improve SEO. Here’s how to add captions to your YouTube videos:

Method 1: Use YouTube’s Auto-generated Captions (For English and Other Supported Languages)

1. Upload Your Video: Log in to your YouTube account and upload the video you want to add captions to.
2. Wait for Auto-generating: After your video is uploaded and processed, YouTube’s automatic speech recognition technology will attempt to generate captions. This process may take some time, and the accuracy of auto-generated captions can vary.
3. Review and Edit: Once the captions are generated, you should review and edit them for accuracy. To do this:
   • Go to your Video Manager.
   • Find the video you want to edit and click the drop-down menu next to “Edit.”
   • Select “Subtitles/CC.”
   • Click on the language you want to edit.
   • Review and edit the captions in the editor.
4. Save Changes: After editing, click the “Publish” or “Save Changes” button to save your edited captions.

Method 2: Upload Your Own Captions (For All Languages)

If you have caption files in various formats like .srt, .vtt, or .sbv, you can upload them directly to your YouTube videos. Here’s how:

1. Upload Your Video: Upload your video to YouTube if you haven’t already.
2. Go to Video Manager: After uploading, go to your Video Manager.
3. Edit Video Details: Find the video you want to add captions to and click the drop-down menu next to “Edit.”
4. Select “Subtitles/CC”: From the menu, select “Subtitles/CC.”
5. Add New Subtitles or CC: Click the “Add new subtitles or CC” button.
6. Choose the Language: Select the language for your captions.
7. Choose Upload Method: You’ll have two options:
   • Upload a file: If you have caption files in .srt, .vtt, .sbv, or .sub format, choose this option.
   • Create new subtitles or CC: If you want to manually enter captions, choose this option.
8. Upload or Enter Captions: Depending on your choice, either upload your caption file or manually enter captions for your video.
9. Save Changes: Click the “Publish” or “Save Changes” button to add your captions.
10. Verify and Edit: Review your captions for accuracy after they’re added. You can always go back to the “Subtitles/CC” section to edit or remove captions.

Remember to make your videos more accessible by providing accurate captions. This not only helps viewers with hearing impairments but also improves your video’s reach and SEO ranking.

To allow ads on your YouTube videos and start monetizing your content, you’ll need to meet YouTube’s eligibility requirements and follow these steps:

1. Meet Eligibility Requirements:
   • You need at least 1,000 subscribers on your YouTube channel.
   • Your videos must have accumulated 4,000 watch hours in the past 12 months. or 10 million valid public Shorts views in the past 90 days.
   • You must comply with all YouTube monetization policies.
2. Sign in to Your YouTube Account:
   • Go to YouTube and sign in to the Google account associated with your YouTube channel.
3. Access YouTube Studio:
   • Click on your profile picture in the upper right corner.
   • Click on “YouTube Studio.”
4. Navigate to Monetization:
   • In YouTube Studio, click on “Monetization” in the left sidebar. If your channel is eligible, you’ll see a “Monetization” tab.
5. Enable Monetization:
   • Click on “Monetization,” then click “Start” to begin the monetization process.
6. Agree to the Terms:
   • Read and agree to the YouTube Partner Program terms.
7. Associate an AdSense Account:
   • If you haven’t associated an AdSense account with your YouTube channel, you’ll be prompted to do so. Follow the on-screen instructions to set up an AdSense account or link an existing one.
8. Choose Ad Formats:
   • You can select the types of ads you want to display on your videos. Common ad formats include display ads, overlay ads, skippable video ads, and non-skippable video ads.
9. Set Monetization Preferences:
   • Customize your monetization preferences, including ad placement and ad experience for your viewers.
10. Submit for Review:
    • Once you’ve completed all the steps, click “Submit for Review.” YouTube’s team will review your channel to ensure it complies with their policies and guidelines.
11. Wait for Approval:
    • YouTube will review your channel, which may take some time. You’ll receive an email notification when your channel is approved for monetization.
12. Start Earning Revenue:
    • Once approved, ads will start appearing on your videos, and you’ll earn revenue from ad views and clicks.

Remember that YouTube has specific policies and guidelines for ad-friendly content. Ensure your videos comply with these policies to maintain monetization on your channel.