The Ultimate Local AI Real-Time Captioning Powerhouse for Streamers & Creators
Extremely simple to use – get professional, stunning captions in seconds without heavy video editing. Runs standalone or perfectly alongside OBS Studio and other tools.
Unlimited, private, blazing-fast subtitles powered by your NVIDIA RTX GPU (with CPU fallback). Full Mac support coming soon! Fully offline, no cloud, no limits, no hidden fees.
Boost engagement, improve accessibility, and rank higher with beautiful customizable styles – all processed locally for complete privacy.
After 8 months in development, Caption Engine just launched in 2026 and is actively being improved. Advanced animations and transitions are coming in future updates!
Capture your microphone or any audio on your system – Caption Engine instantly generates accurate captions with beautiful styling. Export captioned videos directly or use it live in OBS. No complex timelines needed.
Upcoming Caption Engine Studio will also let you edit captions on existing videos, automate workflows, and provide a full timeline editor – a complete professional workflow, all running locally.
Blazing-fast transcription powered by your GPU – no internet required.
Professional styles for gaming, vlogging, cooking, fashion, sports and more.
Engaging karaoke-style captions that keep viewers hooked.
Your audio never leaves your computer – complete privacy guaranteed.
Perfect live overlay for Twitch, YouTube, TikTok and other platforms.
Save polished videos ready for Shorts, Reels, or long-form content.
Works on non-RTX systems with capable performance.
All future features including Mac support and Caption Engine Studio.
• Windows PC with NVIDIA RTX GPU (30-series or newer recommended for real-time performance)
• Gaming laptops or gaming PCs from 2021 or newer should work well (even with mid-range RTX GPUs)
• Works on non-RTX systems using CPU (slower but functional)
• Mac support coming soon
• Seamless integration with OBS Studio, Streamlabs, Premiere Pro, DaVinci Resolve and all major platforms
• Founders Edition buyers get every future update for life
File size: ~2.7 GB – includes the complete application, NVIDIA CUDA GPU acceleration toolkit, advanced Python runtime, and supporting libraries for high-performance local AI processing.
Secure your Founders Edition unlock key today – one-time payment of ~$39 USD ($54 CAD) – lifetime access
You’ll receive instant access to the full unlocked version, including all 16 customizable presets, future updates, and the upcoming Caption Engine Studio for editing recorded videos.
Founders promotional pricing – offer ends March 31st, 2026.
Payment processed securely via Square.
Download link and license key delivered instantly by email.
Questions? Email [email protected]