Captionify — AI Video Caption Generator & Subtitle Editor Flutter App

Captionify – AI Video Subtitle Generator Flutter App

Flutter Mobile App + Python Backend for AI Video Subtitles

Captionify is a complete Flutter mobile app with a Python backend that allows users to upload videos, generate subtitles, translate subtitle text, customize subtitle styles, and export a final MP4 video with burned-in subtitles.

This item includes the Flutter mobile app source code, Python Flask backend source code, and setup documentation.

Live Preview / APK Preview

You can install the APK directly on your Android device and preview the Captionify workflow before purchase.

Download APK Preview

Note: The buyer receives the full Flutter source code and Python backend source code in the purchase package. Buyers can build t