Dernière mise à jour 08-12-2026
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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.
Génère des descriptions en utilisant OpenAI à partir d'un titre vidéo plus une transcription ou un sujet optionnel
Cible la limite de 5 000 caractères de description de YouTube pour un contenu optimisé SEO
Accepte des mots-clés optionnels à intégrer dans la description générée
Cinq préréglages de ton : décontracté, formel, dramatique, enthousiaste et humoristique
Option d'insertion d'emoji pour des descriptions axées sur l'engagement
Gratuit à utiliser sans connexion requise sur la page de l'outil
Gratuit sans connexion sur la page du générateur
Conçu autour du champ de description de 5 000 caractères et de l'entrée de mots-clés de YouTube
Cinq préréglages de ton plus insertion d'emoji optionnelle
Accepte une transcription ou un sujet lorsque vous n'avez pas de script complet
Fonctionne comme une mini application autonome sans historique sauvegardé ni espace de travail de compte
Le prix pour l'enregistreur d'écran principal de Tella se trouve sur tella.com, pas sur cette page d'outil
La qualité de sortie dépend de la complétude de vos entrées de titre et de transcription
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.