Subtitle Tools and Guides from QuantumSubtitle
QuantumSubtitle helps you add original, translated, or bilingual subtitles to videos online. Use AI speech recognition and translation, extract hardcoded subtitles, or translate SRT files.
Browse all products by category. Each card explains what it does and links to its guide or product.
Subtitle Tools
Subtitle Extractor
Extract hardcoded subtitles burned into video and turn the recognized text into editable files such as SRT.
View TutorialSubtitle Translator
Translate SRT subtitle files into multiple languages and download the translated files.
View TutorialSpeech Recognition
Generate synchronized SRT subtitles from speech in a video or audio file with AI speech recognition.
View TutorialQuantum OCR
Capture text from any region of a Windows screen or monitor subtitles; core OCR runs locally on your computer.
View TutorialVideo Tools
Add Subtitles to Video
Add original-language, translated, or bilingual subtitles to video with AI, then download a captioned video or export SRT.
View TutorialSubtitle & Text Watermark Remover
Remove hardcoded subtitles and text watermarks from videos with AI-assisted video processing.
Read GuideOther Tools
VoiceBoo AI Audiobook
Turn novels and stories into natural-sounding, multi-character audiobooks and voice dramas with AI text-to-speech.
Open ProductMusic Vocal Separation
Separate vocals from background music to create karaoke tracks or isolate the vocal audio.
Open ProductHelp and FAQ
Frequently Asked Questions (FAQ)
Find answers to common questions about how our tools work, such as word counting for translations.
View FAQ