SubGen

casualDev

About this app

Turn your videos into subtitles—completely offline.
This app lets you select any video from your device and automatically generates English subtitles, right on your phone. No internet needed.

🎥 How it works

Choose a video from your gallery
The app extracts the audio and transcribes it
You get a clean, timestamped .srt subtitle file in minutes

🛠️ All processing happens on your device:

No cloud uploads
No data tracking
No subscription required

🔒 Private and Secure

Everything—from audio extraction to subtitle creation—runs locally on your device. Your videos and voice data never leave your phone.

📦 Features:

Works fully offline
Supports long videos
Produces standard .srt subtitle files
Lightweight and battery-friendly
Easy to share subtitles

Whether you’re captioning interviews, lectures, vlogs, or personal videos, this tool helps you do it faster and safer—anytime, anywhere.

What’s new

Crash fix for larger files
Custom translate option