WEIFENG2333/VideoCaptioner - OSS Alternative - Discover Top Open Source Alternatives to Popular Software
AI-powered Video Subtitling Tool
14.2k 2026-04-21

WEIFENG2333/VideoCaptioner

An AI-powered tool for comprehensive video subtitling, offering speech-to-text, intelligent segmentation, LLM-based optimization, translation, and video synthesis.

Core Features

AI-powered speech-to-text (ASR) with multiple engines.
LLM-based subtitle optimization and intelligent segmentation.
Multi-language subtitle translation (free and LLM-powered).
Subtitle burning (hard/soft) and video synthesis.
Integrated video downloading from platforms like YouTube/Bilibili.

Quick Start

pip install videocaptioner

Detailed Introduction

VideoCaptioner is an advanced, AI-driven tool designed to streamline the entire video subtitling workflow. Leveraging large language models, it accurately transcribes audio, intelligently segments sentences for natural readability, refines subtitles, and offers robust translation capabilities. It supports both CLI and GUI interfaces, integrates free services like Bijian ASR and Bing/Google Translate, and allows for LLM API integration for enhanced optimization and translation. This comprehensive solution empowers users to efficiently generate, process, and embed high-quality subtitles into their videos.

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