Videos can be uploaded to Gemini, which analyzes on-screen text and formats it as an SRT file. 2. Desktop Software
: A specialized Windows tool that automatically detects and crops video frames where subtitles appear. It is often used in combination with OCR software like ABBYY FineReader to convert those image grabs into a single SRT file. extract hardsub from video
engine. It features a simple interface where you can browse for a video, draw a "crop box" around the subtitle area to improve accuracy, and hit "Run". It supports over 80 languages and offers both CPU and GPU versions for faster processing. RapidVideOCR Videos can be uploaded to Gemini, which analyzes
With a clean source and Latin alphabet, expect 85–95% accuracy. Noisy sources (low resolution, complex backgrounds) may drop to 60–70%. It is often used in combination with OCR
ffmpeg -i input.mp4 -vf "crop=1920:100:0:980, eq=contrast=2:brightness=-0.1, unsharp=5:5:1.0:5:5:0.0" -c:v libx264 preprocessed.mp4
This script assumes you have a basic understanding of Python and access to FFmpeg.