Generador de descripciones de canal de YouTube con IA

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Las descripciones de YouTube son terreno SEO que la mayoría de los creadores desperdicia. Una descripción bien estructurada, con palabras clave en los primeros 150 caracteres, marcas de tiempo y enlaces externos, puede mejorar notablemente el posicionamiento en búsquedas y el porcentaje de clics. Este generador de descripciones de YouTube con IA redacta descripciones completas a partir del tema de tu video, incluyendo una apertura optimizada para SEO, marcas de tiempo, hashtags y un bloque de CTA. Sin registro, ilimitado.

What YouTube actually reads from descriptions

Two parts of your description carry the heaviest SEO weight. (1) The first 150 characters — what shows above the 'show more' fold and what YouTube's algorithm weighs most. (2) The first paragraph (first ~250 chars total) — secondary ranking signal.

Everything below that helps for viewer experience (timestamps, links, social) but barely moves rankings. Front-load your keyword + value in the first 150 chars. Don't open with 'Welcome to my channel!' or 'Like and subscribe!' — those waste the ranking real estate.

The 5-block YouTube description structure

(1) Hook line (under 150 chars, includes primary keyword + value prop). (2) Expanded summary (2-3 sentences, includes secondary keywords). (3) Timestamps (boosts session duration when viewers jump to chapters). (4) Resources / links (your other content, products, affiliate links). (5) Hashtags (max 15, but first 3 show above title).

The generator outputs all 5 blocks by default. Edit the resources block to add your own links — those are content-specific.

Timestamps: why they matter more than you think

Timestamps create YouTube chapter markers (the segmented progress bar). Chapters lift session duration by 15-30% because viewers skip to the parts they care about instead of bouncing.

Timestamp format must be exact: each timestamp on its own line, starting with `0:00` (the first chapter must be 0:00 or YouTube ignores chapters), in mm:ss or hh:mm:ss format. Title each chapter in 3-7 words. The generator outputs timestamps in the correct format with placeholder times you can adjust to your video's actual structure.

Hashtags in YouTube descriptions

YouTube allows up to 15 hashtags per video. Only the first 3 display above the video title — pick those carefully. Hashtag rules: (1) Use 2-3 broad (your niche), 3-5 specific (this video's topic), 5-7 long-tail (search terms). (2) Don't repeat the same hashtag across every video — looks spammy. (3) Avoid forbidden hashtags (sexual, harmful, misleading) — YouTube auto-rejects videos with them.

The generator outputs 8-12 hashtags by default tuned to your video topic. Toggle off if you prefer to add them manually.

Consejos para sacarle el máximo partido a esta herramienta

  • First 150 characters do 90% of the SEO work. Front-load keyword + value.
  • Always include timestamps for videos over 5 minutes. Watch time lifts 15-30%.
  • Pin a comment with the first link from your description. Catches viewers who don't expand.
  • Don't reuse the same description template across videos — variety signals quality to YouTube.
  • Update old high-traffic videos' descriptions every 6-12 months as your offers/links change.

Preguntas frecuentes

Is the AI YouTube description generator free?

Yes. Free, no signup, unlimited generations. Paste your video topic, get a structured description with hook, summary, timestamps, links, and hashtags.

What's the character limit for a YouTube description?

5,000 characters. But only the first ~150 show above 'show more' — and that's where SEO weight lives.

How many hashtags can I put in a YouTube description?

15 maximum. Only the first 3 display above the video title. The generator outputs 8-12 by default, optimized for your topic.

Do timestamps actually help YouTube SEO?

Indirectly. Timestamps create chapter markers that lift watch time by 15-30%, and watch time is a top YouTube ranking signal. The generator outputs timestamps in YouTube's required format automatically.

Can I generate descriptions for YouTube Shorts?

Yes — pick 'Shorts' as the content type. Shorts descriptions are shorter (200-500 chars) and skip the timestamp block.

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