Keep your YouTube video descriptions consistent and up to date across your channel. The automation adds a standard block of text to every video while keeping your original copy above a clear delimiter. It suits teams that rotate links, add affiliate disclosures, or run time bound campaigns.

A manual run starts the flow. A Config step lets you set the delimiter and the reusable text you want to append. The YouTube integration lists your videos. A Generate Description step splits the current description at the delimiter, then rebuilds it with your latest block so you do not stack duplicates. A check compares the old and new text and only updates when something changed. The update call sends the new description while keeping the same title and applying the category set in the node.

Setup needs a YouTube account with permission to manage videos and an OAuth connection in n8n Cloud. After setting the delimiter and your message, run the flow and review a few videos to confirm the new block appears once. Expect hours of manual edits to drop to minutes, especially for large libraries and seasonal refreshes.

• Manual trigger gives you full control over when updates run.
• Config step lets you set a unique delimiter and the block of text to append.
• YouTube integration lists all your videos for bulk processing.
• Smart split and rebuild ensures the new block appears once without duplicates.
• Change check only updates videos where the description actually changed.
• Video update keeps the same title and applies the category set in the node.

• Reduce manual edits from hours to minutes for large video libraries
• Automate up to 90% of repetitive description updates
• Prevent duplicate blocks in descriptions using a clear delimiter
• Keep channel wide links and disclosures consistent in one pass
• Cut unnecessary API calls by updating only changed videos

1. Import the template into n8n: Create a new workflow in n8n > Click the three dots menu > Select 'Import from File' > Choose the downloaded JSON file.
2. You'll need accounts with YouTube. See the Tools Required section above for links to create accounts with these services.
3. In n8n, double click the List all videos node. In the Credential to connect with dropdown, click Create new credential, choose YouTube OAuth2, and follow the on screen instructions to connect your YouTube account.
4. Confirm the YouTube credential has permission to manage videos in your channel so updates are allowed.
5. Open the Update Description node and select the same YouTube credential so both nodes use the same connection.
6. Open the Config node. Set a unique delimiter string that does not appear in your normal copy and enter the description block you want added to all videos.
7. Run the workflow manually once. Open the Generate Description node output to preview the new description value for a few items and confirm the block appears once.
8. Check the Check if has changed node. Make sure only videos with different descriptions are in the path that goes to the update step.
9. Execute the full run. In YouTube Studio, open several videos to verify the description now includes your block below the delimiter.
10. If you do not want to overwrite video categories, open the Update Description node and remove the categoryId field before running again.
11. If no videos are returned, make sure you selected the correct YouTube channel or Brand Account during OAuth and that the account owns the videos.
12. If you see duplicates, ensure you keep the same delimiter for future runs so the split works and the text is not added twice.