YouTube Comment Generator
Model:
Write thoughtful YouTube comments that boost your channel's engagement signal — early-comment activity is a top-3 YouTube ranking factor for both your videos and the videos you comment on. 6 tones (thoughtful / funny / question / agree / friendly disagree / story-share). Outputs 5 distinct variants you can pick from.
Comment options
Advanced options
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Write thoughtful, funny, or question-form YouTube comments to boost engagement. Free AI, no signup.
如何使用 YouTube Comment Generator
1
输入输入
键入文本、上传文件或描述您想要的东西。不需要账户 。
2
点击生成
我们的人工智能使用最佳的开放源码模型,在秒内处理你的请求。
3
下载共享( S)
下载、复制或分享您的结果。 免费个人和商业使用 。
Use this tool via API
Automate this tool from your own code. OpenAI-compatible REST endpoint, Bearer-token auth, no extra SDK required. Token costs match the web interface.
curl -X POST https://api.free.ai/v1/chat/ \
-H "Authorization: Bearer sk-free-..." \
-H "Content-Type: application/json" \
-d '{"model": "qwen7b", "messages": [{"role": "user", "content": "Write an Instagram caption for a product launch."}]}'YouTube Comment Generator — FAQ
Two reasons. (1) Early-comment activity is a top-3 YouTube algorithm signal — when you comment thoughtfully on a video in the first hour, it boosts both that video's reach AND your channel's reach (YouTube cross-promotes engaged commenters). (2) Pinned-comment slots from the creator 10x your channel exposure. The tool generates 5 distinct comment angles you can pick from: thoughtful insight, funny one-liner, question, agree+extend, friendly disagree, personal story.
Yes — Qwen 2.5 7B on our GPUs, ~150 tokens for 5 comments. Free signup gets 10,000 tokens — that is ~60+ batches of 5 comments.
TubeBuddy ($7-49/month) and VidIQ ($7.50-79/month) focus on YOUR channel's videos — keyword research, A/B testing thumbnails, analytics. They do not write engagement comments for OTHER creators' videos. Free.ai's comment generator is a separate tool for community-engagement strategy. Pair with TubeBuddy/VidIQ for the channel-management side.
It can be misused as spam, yes — and we will not pretend otherwise. The system prompt biases toward THOUGHTFUL engagement (referencing specific moments in the video, adding insight, asking real follow-up questions). Generic praise ('great video!') and 'first!' style spam are explicitly banned. Use this to comment on 1-2 videos per day with genuine value, not 100 videos with copy-pasted comments — YouTube spam filters catch the latter.
Thoughtful / adds insight, Funny / one-liner, Question / curious, Agree + extend, Friendly disagree, Personal story. Pick the tone that fits the video — funny on a comedy channel, thoughtful on educational, question on a how-to, story on a vlog.
Toggleable. When on, the system prompt instructs the model to reference SOMETHING SPECIFIC from the video (a stat, moment, guest name) — proves you actually watched. Creators pin comments that feel attentive, and pinned comments stay above the fold for thousands of viewers.
No — the system prompt explicitly bans 'check out my channel' / 'subscribe to me' / 'plug your product' language. YouTube auto-removes most self-promotional comments and the channel that wrote them gets shadowbanned from comments on that creator's videos.
No — first batch free. Sign up for 10K tokens, history, premium models.
Yes — Spanish, Portuguese, Hindi, Arabic, etc. Tone guidance translates well across languages.
Short comments (~20 words) get more upvotes and replies on average. Medium (~60 words) get pinned more often by creators because they show effort. Long-form (~120 words) get pinned occasionally and read like mini blog posts. Pick length by goal — pin (medium) vs reach (short) vs build authority (long).
If your comment references something specific from the video and adds genuine value, no. If you copy-paste 5 comments to 5 different videos, yes — pattern recognition flags formulaic engagement. Treat the AI as a draft assistant, not a copy-paste machine.
Yes — POST to /v1/chat/ with the YT-comment system prompt (inspect template source). Useful for community-management workflows but DO NOT spam — most YouTube ToS violations come from automated commenting. Bearer auth, monthly limits. Docs at /api/.
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