Free Online Tool
Video Translation
Translate video subtitles online for free. WuZhiZuo supports subtitle translation and dubbing replacement with 134+ language pairs and precise timecode preservation — ideal for cross-border content and education.
About Translate Video
AI-powered high-accuracy conversion with multilingual support and multiple export formats
134+ language support
Speaker Diarization
Secure & Private
7 Export Formats
Fast {format} Output
Convert in 3 easy steps
From upload to export in under 3 minutes
1
Upload file
Drag-and-drop your Video file. Supports files up to 10 hours (Pro) or 30 minutes (Free).
2
AI processing
AI auto-detects language, identifies speakers, and processes your file — no manual configuration needed.
3
Download results
Export to Translated Subtitles or 6 other formats. Shareable links and subtitle files supported.
Supported formats
Comprehensive format coverage for all your needs
Input
Video
Output
Translated Subtitles
Translated Subtitles
MP3
WAV
M4A
FLAC
OGG
AAC
MP4
MOV
AVI
MKV
WebM
PDF
Frequently Asked Questions
How to translate video?
Upload your video to WuZhiZuo — AI first transcribes the original content, then auto-translates to your target language. Supports 134+ language pairs, preserving original timestamps and structure.
Which languages does video translation support?
Supports 134+ language pairs including ZH-EN, EN-ZH, JA-ZH, EN-JA. Covers 95%+ of the world's native speakers, with support for multilingual mixed content.
Does video translation preserve the original format?
Yes. Translation preserves the original video structure including timestamps, paragraphs, and speaker labels. Subtitle translation preserves timecodes precisely for direct use.
Convert Video for free now
No credit card needed — start your first conversion in 3 minutes
简体中文
English
繁體中文
日本語