reddit · SideProject · 10-02 20:50 49 分 ← 返回列表

I built a caption editor with bilingual subtitles, free SRT export, and video rendering in your browser

Hey, I’m Ian, the solo developer behind Captions Generator . English isn’t my first language, and I’ve spent years watching videos with subtitles on. Eventually it became less about learning English and more about knowing I wouldn’t miss a word. That’s part of what led me to build a caption tool of my own. You can start with a video, audio file, or an existing SRT, edit the captions, choose a style, and export a captioned video or subtitle file. A few things I’ve focused on: Trans

五维评分

付费意愿

需求真实度

个人可落地

竞争空间

新鲜度

AI 分析

痛点：现有字幕工具对双语对照、中日韩字体与从右到左文字支持差，且云端处理视频让用户担心隐私

目标用户：看外语视频自学者、做双语字幕的 YouTuber/短视频创作者、需要多语言字幕的跨境内容团队

证据：English isn't my first language, and I've spent years watching videos with subtitles on... Translation and bilingual captions. Translate into 100+ languages or display the original and translation together. / Your video stays on your device. Rendering happens in your browser. / the free plan requires an account and includes 30 minutes of transcription per month, with a 5-minute limit per file. Free video exports are 720p with a watermark

变现：Freemium 订阅：免费额度 30 分钟/月 + 720p 带水印，付费解锁无限转录、1080p/4K 无水印导出、批量翻译；或按转录分钟卖 credit

MVP：两周 MVP：只做单一卖点——浏览器内双语字幕编辑器。前端用 Whisper API/本地 whisper.cpp 出转录，Canva 式时间轴编辑 + CJK/RTL 字体预设，免费导出 SRT/VTT，付费去水印导出带样式视频（用 ffmpeg.wasm 或 WebCodecs 在浏览器渲染）

竞品：CapCut、Descript、VEED.io、Submagic、HappyScribe、Subtitle Edit、Whisper WebUI

摘要：独立开发者 Ian 发布浏览器端字幕工具 Captions Generator，主打 100+ 语言翻译与双语字幕、中日韩及 RTL 字体支持、视频不离开本地（仅音频上传转录）、免费 SRT/VTT/TXT 导出。免费版为每月 30 分钟转录、单文件 5 分钟上限、导出 720p 带水印，属典型 freemium 订阅模型，但帖子未给出任何收入或用户付费数据，且字幕/转录赛道竞品密集。