Last updated 08-12-2026
Category:
Reviews:
Join thousands of AI enthusiasts in the World of AI!
AI YouTube Description Generator
Tella's AI YouTube Description Generator writes upload-ready video descriptions from a title, optional transcript, and keyword list. It runs on OpenAI and targets YouTube's 5,000-character description field rather than a generic blog post format. You pick a tone (casual, formal, dramatic, excited, or humorous), toggle emojis, and hit Generate without creating an account.
Most AI writing tools treat a YouTube description like a short blog blurb. This one is built around SEO constraints creators actually hit at upload time: keyword injection, full character allowance, and tone matching for a specific channel voice. Tella hosts it as one of several free creator mini apps alongside hashtag and title generators on the same domain.
YouTube creators, podcasters publishing to YouTube, and marketing teams batching uploads use it to skip the manual description draft while still controlling keywords and voice. The page is free with no login, though Tella also sells a separate screen-recording product on tella.com for teams that want recording and editing in the same stack.
Generates descriptions using OpenAI from a video title plus optional transcript or topic
Targets YouTube's 5,000-character description limit for SEO-focused copy
Accepts optional keywords to weave into the generated description
Five tone presets: casual, formal, dramatic, excited, and humorous
Optional emoji insertion toggle for engagement-focused descriptions
Free to use with no login required on the tool page
Free with no login on the generator page
Built around YouTube's 5,000-character description field and keyword input
Five tone presets plus optional emoji insertion
Accepts a transcript or a topic when you do not have a full script
Runs as a standalone mini app with no saved history or account workspace
Pricing for Tella's main screen recorder lives on tella.com, not this tool page
Output quality depends on how complete your title and transcript inputs are
Is the AI YouTube Description Generator free?
Yes. The AI YouTube Description Generator page on tella.tv is free and does not require login, according to the page title and generator interface. It is separate from paid Tella screen-recording plans.
What inputs does the AI YouTube Description Generator need?
The AI YouTube Description Generator asks for a video name, optional keywords, tone of voice, and an optional transcript. You can also click "I don't have one" if you only have a topic instead of a full transcript.
Which tone options does the AI YouTube Description Generator offer?
The AI YouTube Description Generator lets you pick casual, formal, dramatic, excited, or humorous tone before generating. That tone setting shapes how the OpenAI-written description reads.
Does the AI YouTube Description Generator support YouTube SEO?
Yes. The AI YouTube Description Generator is built with YouTube SEO in mind and uses the full 5,000-character description allowance. You can add keywords that the generator includes in the output.
Can the AI YouTube Description Generator add emojis?
Yes. The AI YouTube Description Generator includes an emojis toggle labeled "Add emojis to your description." Turn it on when you want emoji included in the generated copy.
Who built the AI YouTube Description Generator?
The AI YouTube Description Generator is built by Tella, the screen-recording company behind tella.tv. The page lists it under "More Free AI Tools" alongside other creator utilities like hashtag and title generators.