Because hardsubs are images, you cannot simply right-click and save them. The process requires:
| Issue | Solution | |-------|----------| | Low-contrast subtitles | Pre-process video (increase contrast) | | Overlapping/background noise | Crop more tightly | | Fast-moving scenes | Use higher frame sampling | | Non-English scripts | Install language packs for Tesseract | | Vertical text | Requires specialized OCR (rarely supported) | extract hardsub from video