AI Subtitle Translation Assistant
Faster, more accurate, lower cost — translate a full film in minutes
We don't just translate line by line—we treat your whole film as one piece.
We analyze your full script first and build a style guide, so tone and voice stay consistent from start to finish—like one professional translator.
Character names, places, and key terms are extracted and fixed before translation. Same name, same translation, everywhere in the film.
Each segment is translated with access to previous and upcoming context, reducing reference errors and choppy, machine-like phrasing.
Professional AI Technology × Ultimate User Experience × Unbeatable Value
Using OpenAI's latest GPT-4 model to understand context, ensuring translations are not just accurate, but authentic and natural. Professional terminology? We handle it with precision.
Our powerful cloud GPU cluster completes translation for a 1-hour video in just 3 minutes. Batch processing? Supported! Handle 100 files simultaneously with ease.
From Chinese to English, Japanese to Spanish, we support all major global languages. One-click translation brings your content to 7 billion viewers instantly.
AI automatically recognizes speech rhythm to precisely align the subtitle timeline. No more worries about out-of-sync subtitles after translation. Perfect synchronization, it's that simple.
SRT, VTT, ASS, SSA... we support every subtitle format you can think of. YouTube, Netflix, Bilibili—choose any platform, export with one click.
Bank-level AES-256 encryption, ISO 27001 certified. Your content is absolutely secure and automatically destroyed after processing, leaving no trace.
No complex settings needed. From upload to download in 3 minutes, a seamless process.
Drag and drop subtitle or video files, with batch support. Whether it's SRT, VTT, or MP4, AVI videos, we'll automatically recognize and extract the subtitles.
Choose from over 100 languages. AI will automatically recommend the best translation model and expert configuration. Need more professional terminology? We offer expert modes for fields like medicine, law, and technology.
Click 'Start Translation,' and it will be ready in the time it takes to make a cup of coffee. Download multilingual subtitle files for immediate use in your video projects. Supports bilingual and multi-language exports—use it however you like.
No subscriptions. Once you buy it, it's yours. Credits are valid forever, buy only what you need.
One-time payment, credits never expire
One-time payment, credits never expire (Better value—more credits per dollar than the Basic plan)
One-time payment, credits never expire (Best value for creator teams)
: Features built-in tools for trimming, concatenating files, multiplexing streams, and capturing streaming links.
: Maximizes CPU usage by launching multiple parallel processes up to your system's thread count, making it one of the fastest available encoders.
The most recent stable version as of April 2026 is . You can download the portable 64-bit version from the following reputable sources:
: Integrates a GUI for yt-dlp to download media directly from URLs, including support for member-only content via session cookies. Downloading the Portable Version
To use the portable version, simply extract the contents of the downloaded .zip file to a folder and run the executable. It requires or higher and Visual C++ Redistributable 2010 to function correctly on Windows. FFmpeg Batch AV Converter
: FFmpeg_Batch_AV_Converter_Portable_3.2.8_x64.zip .
Sign up and get 20,000 free credits—translate 4-5 videos, completely free
: Features built-in tools for trimming, concatenating files, multiplexing streams, and capturing streaming links.
: Maximizes CPU usage by launching multiple parallel processes up to your system's thread count, making it one of the fastest available encoders.
The most recent stable version as of April 2026 is . You can download the portable 64-bit version from the following reputable sources:
: Integrates a GUI for yt-dlp to download media directly from URLs, including support for member-only content via session cookies. Downloading the Portable Version
To use the portable version, simply extract the contents of the downloaded .zip file to a folder and run the executable. It requires or higher and Visual C++ Redistributable 2010 to function correctly on Windows. FFmpeg Batch AV Converter
: FFmpeg_Batch_AV_Converter_Portable_3.2.8_x64.zip .