AI Transfy

A one-stop solution for multilingual audio/video subtitle transcription, translation and editing services


AI Transfy (AIT) is a highly efficient subtitling solution covering the entire process of subtitling, including audio and video transcription, translation, editing and compression. This solution simplifies the entire subtitling workflow and increases overall efficiency. It improves output quality while reducing costs.


Machine Translation

The integration of translation memories, statistics, neural network and other leading algorithms combined with abundant translation technological experience results in smooth and natural machine translations.

Speech Recognition Subtitles

Spoken lines in audio and video tracks are transcribed using Tencent's powerful speech recognition technology. The transcription engine filters out background noises to ensure the accuracy of speech recognition.

Efficient Subtitle Editing

AI is used to identify the timing and generate timestamps. Subtitles only require brief editing before submission, simplifying the process for users.

Subtitle Compression & Export

The subtitle compression function adds subtitles to videos with a click of the mouse. The videos can then be exported to MP4, MKV or other commonly used formats.

Human Translation

Tencent's international translation team provides transcription, translation, proofreading and other professional services in multiple languages pairs to satisfy your customized needs.

Real-time Subtitles

Audio/video subtitles for online courses, live media and other streaming media are generated in real time via transcription and translation. Summarized notes can also be generated to highlight key points.


Intelligent Translation

Transfy's translation engine integrates natural language processing and machine translation. It supports rapid real-time two-way translations between more than 120 languages.


Real-time Subtitle Processing

1. Creating a subtitle task: Users can select audio/video transcription & translation, subtitle transcription & translation or other types of tasks according to their needs. Tasks can be created once the material is uploaded.

2. AI subtitle processing: Subtitles from the uploaded materials are transcribed and translated using AI. Processing time and progress will be displayed on the dashboard.

3. Subtitle proofreading and editing: Users can edit and proofread the AI-processed subtitles online.

4. Subtitle file compression: Once the subtitles have been proofread, users can export the subtitle file or a subtitled video file as needed.

Tencent's Professional Translation Team

Tencent's international translation team offers different types of human translation to satisfy transcription, translation, proofreading and other customized needs. The team supports most of the languages around the world, and is capable of processing complicated translations with background noises and heavy accents.


AI Transfy is currently in beta. If you wish to try it out, please e-mail us at and the AI Transfy product team will contact you.