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We built a way to translate YouTube videos that have no subtitles — AI voice + subtitles in your language

Hey everyone! I watch a lot of YouTube in languages I don't speak — mostly Spanish cooking channels and Japanese lessons. YouTube's auto-translate only works when a video already has captions, and honestly most of the stuff I wanted to watch didn't have any. So a friend and I built TranslateTube. It listens to what people actually say in the video, translates it, and plays it back with an AI voice, with translated subtitles on top. You can switch back to the original sound any time. It st

五维评分

付费意愿
45
需求真实度
55
个人可落地
72
竞争空间
30
新鲜度
55

AI 分析

痛点:YouTube 的自动翻译只在视频已有字幕时才可用,而大量外语视频(如西语烹饪、日语教学)根本没有字幕,导致用户完全看不懂。

目标用户:观看外语 YouTube 的内容消费者、语言学习者,以及想把自己的无字幕视频本地化的小型创作者。

证据:YouTube's auto-translate only works when a video already has captions, and honestly most of the stuff I wanted to watch didn't have any. / It started as something just for us, and then other people started using it too.

变现:Freemium 订阅:免费额度按分钟数限制,付费解锁无限时长、更自然的 AI 配音音色和更高准确率;另可做创作者侧按分钟计费的字幕+配音本地化服务。

MVP:2 周内只做 Chrome 扩展:抓取 YouTube 音频流 → Whisper API 转写 → 翻译 → 浏览器原生 TTS 朗读 + 双语字幕叠加,不做自有配音模型,先验证留存再考虑 Android/Web 播放器。

竞品:YouTube 官方自动配音(Aloud)、Rask AI、HeyGen Video Translate、Kapwing、Veed、SubtitleBee、TranslateTube(本帖产品本身)

摘要:作者和朋友做了 TranslateTube:一个 Chrome 扩展 + Android App + 网页播放器,能对没有字幕的 YouTube 视频做语音识别、翻译,并用 AI 配音加译文字幕播放。发帖属于产品发布与求反馈,全文没有提到定价、收入或用户数量,只提到‘别人也开始用了’,因此付费意愿与需求强度缺少硬证据。同类竞品密集(YouTube 官方自动配音、Rask AI、HeyGen 等),单独立项难度在于差异化。