AI Subtitle Translator: Fast, Accurate Translation for Any Language

Organizations are rapidly adopting AI – Stanford’s 2025 AI Index finds 78% of organizations were using AI in 2024 (up from 55% in 2023). [3] Overall, 2024–2025 has seen rapid advances in AI translation for video and audio, from automatic captioning to AI-powered dubbing. These tools make multilingual content far more scalable, but research and real-world cases consistently underscore that human review remains essential to catch errors and cultural nuances.[5]

Upload your SRT file to our subtitle translator, select your target language, and click "Translate." Our AI instantly processes your subtitle file while preserving formatting and timing, allowing you to download the translated version in minutes.

Smartcat comes with many supported languages. Our platform lets you translate your content into 280 different languages and dialects, including Spanish, Japanese, Korean, French, German, Chinese. You can translate more than one language at once.

Smartcat is great for content creators who want to translate their video subtitles. You can also generate and add subtitles from your videos audio automatically, thanks to Smartcat’s powerful OCR technology that transcribes videos. It’s a great online tool that will help you save a lot of time in creating multilingual content. Whether you creating TV shows, YouTube videos, online tutorials, and even audio files for Podcasts, you can do so much.

Our subtitle translator supports all major subtitle formats including SRT, VTT, SUB, ASS, STL, and SBV. The system automatically detects the format and preserves all timing information during translation.

Yes, our batch subtitle translation feature allows processing of up to 20 subtitle files simultaneously. This batch processing is perfect for series, courses, or multilingual subtitles projects requiring consistent terminology.

Our subtitle translator delivers 95%+ translation quality for subtitle files, capturing nuances and context. The AI model continuously improves through machine translation learning and your feedback, ensuring increasingly precise results.

Absolutely. Our built-in subtitle editor allows you to adjust timing, merge or split subtitle rows, and edit text with a live preview. All changes improve future translation quality through our translation memory system.

Our subtitle translator preserves terminology through customizable glossaries and translation memories that store your preferred terms and style. The translation tool learns from your edits, ensuring consistent results across all your subtitle files.

Yes, our subtitle translator provides real-time translation through our Translation API. This allows developers to integrate subtitle translation directly into their applications or content workflows requiring immediate results.

AI subtitle tools offer major cost savings: one report found AI-driven voice cloning and dubbing cut content localization expenses by 25–35%.[2] 

We offer flexible pricing plans based on your subtitle translation volume needs. Our AI-powered approach typically reduces translation costs by up to 70% compared to traditional subtitle translation services, while delivering faster results.

Protecting content security and privacy is a top priority in AI translation services. Professional providers (like Smartcat) implement enterprise-grade security measures – encryption, secure data centers, and compliance with standards like GDPR – to keep your subtitle content safe. Data confidentiality is crucial, especially since many users worry about how their information is handled. Surveys show that 70% of Americans familiar with AI have little to no trust in companies to use AI data responsibly.[1] In response, Smartcat and similar platforms ensure that subtitle files and translations remain confidential: they often do not store personal content or share it, and offer NDAs and access controls for projects. You can confidently use AI subtitle translation knowing reputable providers are committed to content security and privacy compliance.

 Yes, our video subtitle translator can extract subtitles from video files, translate them, and then reintegrate them with your video. Visit our Video Translation page to learn more about this complete solution.