Captionify — AI Video Caption Generator & Subtitle Editor Flutter App

Description

Captionify — AI Video Caption Generator & Subtitle Editor Flutter App

Captionify — AI Video Caption Generator & Subtitle Editor Flutter App 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.

Main Highlights

  • AI-powered video subtitle generation
  • 99+ transcription languages supported by Whisper
  • 130+ subtitle translation target languages supported by Google Translate integration
  • Flutter mobile app source code included
  • Python Flask backend source code included
  • One-time purchase
  • APK preview available before purchase

Key Features

  • AI Transcription: Generate subtitles from video or audio using faster-whisper.
  • Subtitle Translation: Translate generated subtitle text into multiple languages using Google Translate integration.
  • Subtitle Styling: Customize font size, subtitle color, background color, opacity, position, bold style, and italic style.
  • MP4 Export: Export final videos with burned-in styled subtitles.
  • Flutter Mobile App: Android and iOS source code with onboarding, Firebase authentication, profile, history, and editor screens.
  • Python Backend: Flask REST API with FFmpeg audio extraction, transcription, translation, and SRT subtitle generation.
  • Local History: Keep previously generated subtitle projects in the app.
  • Light and Dark Mode: Clean UI with theme support.

Read Before Purchase!

    • All digital products have no possibility of free updates beyond the initial purchase. After payment, we will upload the product file within 24 hours to 48 hours.
    • If you have any questions, please contact us by email [email protected] or create a ticket on this page
    • After the purchase is confirmed, download links will be accessible for 7 days.
    • we have not responsible for supporting users.
    • The response time can last up to 6 hours.