Live Subtitle Ai
Live AI subtitles & translation for any app on Windows
Get picks like this daily. Today's launch numbers, the top launches, AI and tech news, and a daily opportunity pick, straight to your inbox.
Want to reach these readers? Sponsor an issue.
ExtormSub adds real-time AI subtitles to anything playing on your Windows PC — YouTube, movies, games, meetings, streams. It captures system audio or mic, transcribes locally with whisper.cpp or faster-whisper (GPU or CPU, nothing uploaded), and overlays a transparent, click-through subtitle window above any app. Optional live translation into your language via any OpenAI-compatible API, or fully free & offline with built-in LibreTranslate. No admin rights, no cloud dependency for speech.
PH · launched Sep 29, 2026 · 1 upvote (top 69%) · 0 views
Niche: real-time speech translation software · 86 launches, 10 in the last 7 days ▼ -9% · Explore this niche →
Category and tags
- Horizontal
- Communication
- B2C
- AI-native
- Commercial product
- Productivity
- Artificial Intelligence
- GitHub
- Video
Visit website ↗ Source listing ↗
More like this: all 86 launches in real-time speech translation software →
Could you build this?
Partial Creating a desktop overlay UI is straightforward, but capturing low-latency loopback system audio in Windows, feeding it to native C++ bindings for whisper.cpp/faster-whisper, and managing real-time streaming inference without lag requires native desktop system integration.
What it would actually take: The application requires a Windows desktop framework (C#/WPF, C++, or Tauri/Rust) using Windows Core Audio (WASAPI) loopback capture to record system output in real-time. The hard part is pipeline orchestration: managing streaming VAD (voice activity detection), chunking audio, interfacing via FFI with whisper.cpp/faster-whisper with hardware acceleration (DirectML/CUDA), and rendering an overlay window using Windows WS_EX_TRANSPARENT/WS_EX_LAYERED styles without stuttering.
Competitors
Other products that read as similar to this one : 474 launches clear the similarity bar, closest 8 shown.
Attention rank: #371 of 475 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 319 days after the earliest competitor.
- RealSub · ph · 2026-11-07 · 1 upvotes · similarity 0.66
- In-Browser AI Subtitle Generator · ph · 2026-11-02 · 2 upvotes · similarity 0.60
- LivaSub AI Live Captions · ph · 2026-09-24 · 1 upvotes · similarity 0.58
- Compris! · ph · 2026-10-24 · 2 upvotes · similarity 0.58
- AI SubtitleLab · ph · 2026-10-19 · 1 upvotes · similarity 0.57
- Media-AI: Video Subtitles · ph · 2026-09-20 · 1 upvotes · similarity 0.57
- ERA VISION SUBS · ph · 2026-10-05 · 1 upvotes · similarity 0.55
- ClipTitle · ph · 2026-10-06 · 2 upvotes · similarity 0.55
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.