AI Video Translation & Subtitle Generator
Upload Video & Audio Files to Generate Multilingual Subtitles with AI
Drag and drop your local MP4, MOV, MKV, MP3, WAV and more. TranslateSub transcribes the audio and translates it into accurate subtitles across 75+ languages, ready to download as SRT, VTT, or plain text.
Want to learn more about audio/video transcription and translation? Check out our
Why Translate Your Files with TranslateSub
Wide Format Support
Upload common video and audio formats including MP4, MOV, MKV, WMV, MP3, WAV, M4A and FLAC with no conversion required.
Accurate AI Translation
Context-aware transcription and translation produce natural, fluent subtitles that read the way native speakers actually talk.
75+ Languages
Translate your content into more than 75 languages at once, reaching a truly global audience.
Multiple Subtitle Formats
Export results as SRT, VTT, or plain text to fit any video editor, player, or workflow.
Perfect Timestamp Sync
Intelligent parsing keeps your SRT and VTT subtitles aligned with the original audio, so there is no timestamp drift and no manual syncing.
Privacy & Security First
Your uploaded files are encrypted in transit and storage and processed through secure channels. Free-tier task files are automatically removed after 7 days.
Step-by-Step Guide: How to Translate Local Video & Audio Files
Upload Your Files
Click the upload area to select your local video or audio files. We support many formats including MP4, MKV, MOV, and MP3.
Select Target Languages
Choose your original audio language and pick from 75+ target languages for AI subtitle translation.
Translate Your Media
Click "Translate" to let our engine transcribe and translate your media into accurate subtitles.
Download Subtitles
Download your subtitles instantly in SRT, VTT, or plain text, ready to use anywhere.
Supported File Formats
Upload virtually any common audio or video file and get translated subtitles in minutes.
Video Formats
Audio Formats
What You Can Do
From creators to teams, TranslateSub helps you make every recording accessible:
Subtitle Your Own Videos
Add multilingual subtitles to recorded videos, tutorials, and YouTube uploads to grow your global audience.
Transcribe Podcasts & Audio
Turn podcast episodes, interviews, and voice notes into searchable, translated text.
Translate Meeting Recordings
Generate captions and translations for webinars, lectures, and recorded online meetings.
Localize Film & Media Clips
Quickly create subtitles for film clips, course material, and marketing videos in multiple languages.
Support for 75+ Languages
TranslateSub enables seamless translation of video audio into subtitles in over 75 languages, ensuring global content accessibility and enhancing the impact of your content worldwide.
Loved by Creators and Teams
Frequently Asked Questions
1How to Use TranslateSub for Translating Video Audio into Multilingual Subtitles?
How to Use TranslateSub for Translating Video Audio into Multilingual Subtitles?
To translate video audio into multilingual subtitles using TranslateSub, follow these steps:
Step 1: Upload your video/audio file to TranslateSub. Select your desired language and subtitle format, then click the "Translate" button to generate accurate multilingual subtitles.
Step 2: Monitor the progress and status of your translation tasks by clicking the "TASKS" button at the top right navigation bar as the translation is processed.
Step 3: Once the translation task is complete, click the "Results" button to view, edit, and download your generated subtitles and video files.
Learn more2How Are Translation Fees Calculated?
How Are Translation Fees Calculated?
Translation fees are calculated based on the services used. New users receive free credits for translation services. For comprehensive pricing details on our multilingual subtitle generation, please visit our pricing page. After each task is completed, the billing information will be displayed.
Learn more3Can I Request a Refund?
Can I Request a Refund?
Refunds are available upon request. Please note that fees from third-party payment platforms will be deducted. For more information, refer to our refund policy.
4What is the Typical Completion Time for a Translation Task?
What is the Typical Completion Time for a Translation Task?
The completion time for translation tasks varies depending on file length and server load. Typically, a 5-minute video takes about 2-3 minutes to transcribe and translate into subtitles. You can efficiently track the status of your tasks in your task list.
5How Can I Access the Translation Results?
How Can I Access the Translation Results?
To access translation results, click the "Completed" button once a task is finished. This allows you to view, edit, and download the generated subtitle files for your video audio translation.
6Is Transcription of Video or Audio Available?
Is Transcription of Video or Audio Available?
Yes, transcription is available. Select the source audio language and choose the "Plain Text" format to receive the transcription content in plain text, making it easy to reference.
7What is the Duration for Task Data Storage?
What is the Duration for Task Data Storage?
Task data storage duration varies by user type. Free and pay-as-you-go users have tasks stored for 7 days, while premium users benefit from permanent storage, ensuring easy access to previous video translations.
8Is My Uploaded Video Audio Data Secure?
Is My Uploaded Video Audio Data Secure?
We prioritize the security of your uploaded video audio data. All files are encrypted during transmission and storage to protect your privacy. We adhere to strict data protection policies to ensure confidentiality and security. Users are responsible for the legality of the content they upload.
Start Translating Your Files for Free
Upload a local video or audio file and generate accurate multilingual subtitles in minutes. Watching online videos instead? Try our browser extension for real-time translation.