MP4 Translator: Translate Video In Seconds

Smartcat is an AI global content platform that helps teams automate content translation, from documents to websites to videos. It combines adaptive AI with human-in-the-loop workflows to deliver high-quality, scalable, and cost-effective localization.

Smartcat AI Agents are specialized automation tools trained to handle specific translation tasks. These agents continuously learn from human input, delivering faster, smarter translations every time. 

They’re built for departments like Marketing, L&D, Product, and Media, helping teams scale content production without extra cost or effort. With the AI-powered translation sector forecast to expand at over 23 percent annually through 2031, Smartcat AI Agents position you at the forefront of this technology boom. [1]

Our Media Agent translates spoken content in MP4 and other video/audio files into 280+ languages, outputting subtitles or AI-dubbed voiceovers based on your needs. It’s ideal for marketing videos, onboarding and training content, product explainers, and campaign assets.

With this AI-powered agent, you can translate video content in seconds, preserve visual integrity, and expand global reach without costly reshoots or vendor coordination.

Smartcat’s Media Agent makes video translation effortless. It transcribes speech, translates on-screen text, and outputs multilingual subtitles or voiceovers within minutes. By automating time-consuming tasks, the agent saves on resources and allows your team to focus on creative ideas and fine-tuning.

Yes. The Media Agent is built to retain the original visual elements of your MP4s, such as animated text, transitions, overlays, and effects. Your videos stay visually consistent and professional across languages, with no need for re-editing.

Absolutely. Smartcat supports MP4s with multiple audio or subtitle tracks. Whether you’re localizing dialogue, voiceovers, or captions, the Media Agent processes each element accurately, ensuring a complete and consistent viewing experience for every audience.

Accessibility is still a major challenge in the multimedia industry. Still, by localizing all these elements, Smartcat makes it easy to connect with the largest possible audience in your target market.

Yes. Smartcat supports translation into 280+ languages, including non-Latin scripts like Chinese, Japanese, Arabic, Korean, and Cyrillic-based languages. Media Agent is trained on diverse linguistic datasets to ensure fluency, cultural relevance, and script accuracy.

Smartcat’s Media Agent uses advanced neural AI trained on multilingual data to deliver context-aware translations. You can enhance quality further by adding a human reviewer from your team or the Smartcat Marketplace. This hybrid workflow has been shown to deliver better results than AI- or human-only projects. [3]

Simply:

1. Select your source and target languages

2. Upload your MP4 file

3. Let Media Agent transcribe and translate it

4. Add a reviewer for quality assurance

5. Download your fully translated video with subtitles or voiceover

It’s really that fast!

Yes. Upload your MP4 file, and Media Agent automatically transcribes spoken audio into editable text. You can translate this transcript into 280+ languages or use it as subtitles. It’s ideal for training videos, tutorials, or accessibility enhancements.