Automatically transcribe speech with precise timelines and add original, translated, or bilingual subtitles in one click. Download captioned videos or export SRT files directly.
From raw video to captioned masterpiece in 3 seamless steps
Simply drag and drop your video or audio file. We support various formats including MP4, MOV, AVI, and MP3.
Recognize speech in 100 languages, then choose a target language from the translation list to create translated or bilingual subtitles.
Our AI will automatically transcribe and translate your video. Download subtitles in various formats or embed them directly.
Engineered for video creators, educators, international businesses, and media teams
Streamlined end-to-end pipeline from media upload, speech transcription, alignment to translated subtitle rendering with just one click.
Recognize speech in 100 languages, then choose a target language from the translation list to create translated or bilingual subtitles.
Quick turnaround time with advanced GPU-accelerated AI models, delivering accurate subtitles within seconds for typical video clips.
Export original subtitles, translated subtitles, or download full videos with crisp, lossless embedded hard subtitles ready for sharing.
Best for
Yes. Choose bilingual mode to display the original language and translated subtitles together on the video.
Yes. Quantum Subtitle features native support for mixed-language speech recognition and code-switching. It accurately transcribes audio containing multiple languages spoken together—such as Chinese and English tech terms or Spanish and English conversations—without losing vocabulary or producing phonetic errors.
Yes. The workflow is designed for both captioned video output and subtitle file workflows such as SRT export.
The upload flow supports common video and audio formats, including MP4, MOV, AVI, MKV, MP3, WAV, and M4A.
The most comprehensive AI-powered subtitle solution with unbeatable value and cutting-edge technology
Our platform offers extraction, translation, editing, and speech recognition tools in one unified solution. From hardcoded subtitle extraction to multilingual translation - streamline your workflow.
Our neural networks deliver high accuracy in speech recognition and translation with fast processing speeds. Trained on diverse content across multiple languages for reliable and quick results.
We prioritize user privacy and data security. All uploaded files are processed securely and automatically deleted within 24 hours. For more details, please check our privacy policy.
What makes our platform a great choice for your subtitle needs
Save significantly compared to traditional subtitle services with our pay-per-use model. No expensive subscriptions required.
Support for multiple languages with quality translations and cultural context understanding.
High-quality results suitable for content creators, educators, and businesses worldwide.
Simple pay-per-use pricing without expensive subscriptions. Only pay for what you actually use with clear, upfront costs.