Translate subtitles online with AI. Upload SRT, VTT, SBV, SUB, ASS, LRC, or SMI files. Supports 50+ languages, batch processing, and multiple pricing plans.
AI Subtitle Translator leverages generative AI to turn spoken audio into accurate, time‑coded subtitles across dozens of languages. It helps content publishers, e‑learning platforms, and marketers expand audience reach without hiring costly transcription services. In 2026, rapid multilingual compliance and SEO value make automated captioning a strategic asset for any video‑heavy business.
Quick Summary
Overall Rating 4.3/5 Best For Video publishers needing fast, multilingual captions
AI Subtitle Translator positions itself as an AI-powered online tool for translating subtitle files into 50+ languages, supporting SRT, VTT, SBV, SUB, ASS, LRC, and SMI input formats. Its strategic role is to serve global content creators who need fast, scalable subtitle localization without manual format conversion. The service emphasizes three core capabilities: multi-language translation, broad subtitle format compatibility, and batch processing. Users can upload up to 5 subtitle files at once for a single target language, or translate one file into up to 10 languages. A free Basic model is available with queue and daily limits, while paid plans include Pro at $10/month for 200 credits and Pro+ at $18/month for 400 credits, plus a $12 one-time 200-credit pack. Translated output is delivered in SRT format, with a separate Subtitle Converter available for other formats. Files are retained for 7 days, and subscriptions can be cancelled anytime.
Professional reality: The free Basic model is slow and queued, and the tool does not mention any human review or quality assurance features, so it may not meet professional accuracy standards for critical projects.
Translate subtitles into 50+ languages including English, Spanish, French, German, Chinese, Japanese, and Korean. The system automatically detects the source language, so there is no need to select the original language before translating.
Reach a global audience effortlessly with context-aware AI translation.
Upload SRT, VTT, SBV, SUB, ASS, LRC, or SMI files with no manual format conversion needed. Translated output is currently delivered in SRT format regardless of the input format, which means style information from formats like ASS may not be preserved. If you need a different format, the Subtitle Converter can convert the translated SRT files into VTT, ASS, or other formats.
Skip manual conversion steps and get usable subtitle files in minutes.
Upload up to 5 subtitle files at a time and translate them together. A single file can be translated into up to 10 languages at once, while multiple files can be translated to one language at a time. Smart queue management keeps batch processing fast and efficient.
Translate subtitles at any scale without handling files one by one.
The Basic model offers standard translation quality with faster processing speed and lower cost, while the Plus model uses more advanced AI to provide better translation quality. A Basic (Free) option is also available: it uses Basic translation quality, does not deduct credits, runs in a separate slow queue, processes one free task at a time, and only supports one subtitle file with one target language per submission.
Pick the quality and speed level that fits each project and budget.
Choose from a 200 Credits Pack at $12 one-time (1 month valid), Pro at $10 per month with 200 credits per month, or Pro + at $18 per month with 400 credits per month. Subscriptions auto-renew and can be canceled anytime with no cancellation fees. New users also receive a small amount of free credits upon registration to try the service.
Start free, then scale to a plan that matches your usage.
Uploaded subtitles and translated subtitles are saved for 7 days, and you can view them on the 'My Subtitles' page. Files remain available for download according to the data retention policy after cancellation, so downloading important files before a subscription ends is recommended.
Review and download your translations on your own schedule within the retention window.
AI Subtitle Translator offers simple, transparent pricing with no hidden fees. Choose from a one-time Credits Pack or monthly/yearly subscriptions. The Credits Pack provides 200 credits for $12, valid for one month. Pro subscription costs $10 per month and includes 200 credits monthly. Pro+ costs $18 per month and includes 400 credits monthly. All plans save files for 7 days. Subscriptions auto-renew and can be canceled anytime. Unused credits do not carry over. Refunds are available within 7 days of purchase. Payment via card or crypto.
Visit the official AI Subtitle Translator website to check the latest pricing and plans.
Upload SRT, VTT, ASS, or other supported subtitle files and translate them into 50+ languages including English, Spanish, French, German, Chinese, Japanese, and Korean. The AI-powered translation ensures context-aware accuracy, helping you reach a global audience effortlessly.
Upload multiple subtitle files at once and translate them into one target language, or translate a single file into up to 10 languages simultaneously. Smart queue management keeps batch processing fast and efficient, saving you time on large projects.
The tool supports popular subtitle formats including SRT, VTT, SBV, SUB, ASS, LRC, and SMI. You can upload files in any of these formats and get translated subtitles without needing to convert formats manually.
Choose between a free Basic model (slow, queued, no credits) or paid plans starting at $10/month for 200 credits. The Credits Pack at $12 one-time is great for short-term needs, and Pro+ offers 400 credits per month for heavier usage.
Sign up and connect your video host (YouTube, Vimeo, or upload a file).
Choose the source language or enable auto‑detect.
Select target languages and click “Generate Subtitles”.
Review the confidence scores, edit any low‑confidence segments, and export the SRT files.
AI Subtitle Translator delivers strong ROI for businesses that publish video content regularly and need multilingual reach quickly. The free tier is sufficient for occasional creators, while the Pro plan offers the best value for agencies handling dozens of hours per month. Its biggest strength is speed and language breadth; the main limitation is the need for manual polishing on highly technical audio. Overall, it’s a solid investment for growth‑focused video teams, but not for legal firms requiring flawless verbatim transcripts.
| Decision Area | AI Subtitle Translator | When Another Option Wins |
|---|---|---|
| Language support | AI Subtitle Translator supports 50+ languages including English, Spanish, French, German, Chinese, Japanese, and Korean. | DeepL supports more languages (30+) with highly nuanced translations, and Google Translate covers 100+ languages, which may be better for less common language pairs. |
| Subtitle format compatibility | Accepts SRT, VTT, SBV, SUB, ASS, LRC, and SMI files directly — no manual conversion needed. | Tools like AITranslator.com or BlipCut AI Video Translator may offer additional format support or integrated video editing features. |
| Batch processing | Upload multiple files and translate to several languages at once with smart queue management. | Some competitors like Crowdin or Lokalise offer more advanced team collaboration and project management for large-scale localization. |
| Pricing model | Simple credit-based plans: 200 credits one-time for $12, Pro at $10/month, Pro+ at $18/month. No hidden fees, cancel anytime. | DeepL Pro or Google Translate API offer pay-as-you-go pricing that may be more cost-effective for very high-volume or sporadic usage. |
| Free tier | Offers a Basic (Free) model — slow, queued, no credits required. | Google Translate is completely free for casual use, and some competitors like DeepL offer a free tier with higher daily limits. |
DeepL is known for its high-quality, context-aware translations, especially for European languages. It supports document translation and offers a free tier, but it does not natively handle subtitle files like SRT or VTT.
Choose AI Subtitle Translator if: You need a dedicated subtitle translation tool that accepts multiple subtitle formats and offers batch processing for video content. Choose DeepL if: You prioritize maximum translation quality for general text and documents, and you are willing to convert subtitle files to a compatible format first.
Google Translate supports 100+ languages and is free for casual use. It offers a website and API, but it lacks built-in subtitle file handling and batch translation features.
Choose AI Subtitle Translator if: You want a streamlined workflow for translating subtitle files directly, with support for multiple formats and batch processing. Choose Google Translate if: You need a free, general-purpose translation tool for occasional use and don't mind manually copying and pasting subtitle text.
AI Subtitle Translator is an online tool that uses AI to translate subtitle files into 50+ languages. It supports uploading SRT, VTT, SBV, SUB, ASS, LRC, or SMI files and provides results in minutes.
AI Subtitle Translator supports SRT, VTT, SBV, SUB, ASS, LRC, and SMI subtitle formats. You can upload multiple files at once, and each file can be translated into up to 10 languages simultaneously.
Yes, there is a Basic (Free) model. It is slower and queued, and does not require credits. However, it may have longer wait times compared to the paid Plus model.
AI Subtitle Translator offers a one-time Credits Pack of 200 credits for $12 (valid 1 month, files saved 7 days), a Pro subscription at $10/month with 200 credits per month, and a Pro+ subscription at $18/month with 400 credits per month. Subscriptions auto-renew and can be canceled anytime.
Yes, you can upload multiple subtitle files and translate them in batch. However, multiple files can only be translated to one target language at a time, while a single file can be translated to up to 10 languages at once.
Bottom Line: Invest in AI Subtitle Translator if your business relies on video and needs scalable, multilingual captions; otherwise, a specialist transcription service may be more appropriate.
Reviewed by theaitoolsbox.com editorial team
Credits Pack $12 one-time; Pro $10/mo; Pro+ $18/mo
AI Subtitle Translator is best for Video publishers needing fast, multilingual captions.
You sign up and connect your video host such as YouTube or Vimeo, or upload a file directly. Then you choose the source language or enable auto-detect, select target languages, and click Generate Subtitles to review and export the results.
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