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Supports .srt, .vtt, and .ass subtitle files
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AI Subtitle Translator
AI-powered online subtitle translator - efficient, intelligent, and user-friendly
Supports mutual translation between subtitles in multiple languages
Why Choose Us?
AI Subtitle Translator, an efficient and fast AI subtitle translation service, helping you break language barriers and explore global movies
Using advanced AI technology, we provide efficient, smooth, and affordable subtitle translation services to meet various language and format needs
Format Compatibility
Supports SRT, ASS, VTT subtitle files to meet most subtitle needs
Multilingual Support
Covers 20 languages including Chinese, English, Japanese, Korean, Thai, Vietnamese, German, Italian, French and other major languages
Reasonable Pricing
Transparent pricing, perfect balance of quality, efficiency and price
Efficient Batch Processing
Translate multiple subtitle files at once to greatly improve efficiency
Ultra Fast Speed
Average movie subtitle translation completed in about 1 minute, speed leading similar services
Data Security
Subtitles retained for 7 days, accessible only by the user, third-party certification ensures privacy security
Immersive Translation Effect
Our service not only provides translation, but is also dedicated to creating an immersive and smooth viewing experience for movie enthusiasts:
- Complete sentence processing to ensure contextual consistency
- Considering contextual meaning to achieve natural and fluent dialogue translation, minimizing the mechanical feel of machine translation
- Targeted processing of long cross-timeline sentences to ensure subtitle timing remains intact
Business Challenges We Solve
Common Translation Challenges
Translation Quality Issues
The translated dialogue is stiff, full of translationese, and fails to convey the intended meaning due to ignoring contextual cues
Poor Context Handling
Long sentences spanning subtitle entries often get fragmented or cause timeline confusion, affecting viewing experience
Impaired Viewing Experience
Improper translation logic breaks immersion and takes viewers out of the story
Our Solutions
Fluent and Natural Dialogue Translation
Minimizing the mechanical feel of machine translation to deliver smooth, natural dialogue that fits the context
Cross-Subtitle Long Sentence Processing
Ensuring integrity of long/complex sentences and timeline alignment while maintaining consistent subtitle formatting
Optimized Viewing Experience
Sophisticated translation logic prevents distraction and ensures immersive viewing experience
These features not only enhance translation professionalism but also provide users with more efficient and reliable subtitle solutions
Pricing
Choose the Right Plan for You
Free Tier
Limited free access to all translation features.
$0.0
- 20 translation credits every 7 days
- 1 credit can translate 100 subtitle lines
- Up to 5 files per batch
- 7-day file retention
Recommended
Standard Credits Pack
For high-frequency users, with 20% bonus Credits included.
$9.90/One-time
- 500 translation credits + 100 bonus credits
- All Free Tier features included
- Never Expires
Premium Credit Package
Top choice for heavy users - includes 50% bonus points!
$19.80/One-time
- 1,000 translation credits + 500 bonus credits
- All Free Tier features included
- Never Expires
Payments processed through secure
Paddle.com
payment gateways
Paddle.com
payment gateways
Purchase Terms
- Users will receive corresponding translation credits when purchasing a credits pack
- Different packs include different bonus credits
- Credits have no expiration date - they remain valid permanently after purchase
Refund Policy
- Refunds can be requested for orders within 20 days after payment
- Users can request a full refund if no purchased or bonus points have been used. No refund will be given for used points
- Partial refunds are calculated based on the ratio of unused non-bonus points to total non-bonus points in the order. No refund will be given for used points
- Bonus points are not eligible for refund but will be revoked along with order refunds
- Refunds will be returned to the original payment account
- Refunds will be processed within 5 business days
FAQ
Is there a free tier?
We provide all logged-in users with 20 credits every 7 days. These credits are sufficient to translate an average-length movie or 2-3 episodes of a TV series. So theoretically, you can use our service completely free forever. If you have additional translation needs, please consider purchasing our credits pack. Your support will greatly help us maintain, update, and optimize this service.
How to purchase?
Simply log in to your account and go to "Pricing Plans" to purchase the corresponding credits pack.
What payment methods are supported?
We support bank cards, credit cards, Alipay and PayPal (availability depends on your region). We use Paddle payment services, so you don't need to worry about payment security.
Can I get a refund at any time?
You can contact us for a refund within 20 days of purchase: support@aisubtrans.com
What subtitle formats are supported?
We support common formats including SRT, ASS, and VTT for most use cases. support@aisubtrans.com
Which languages are supported for translation?
We currently support 20 languages including English, Chinese, Japanese, French, Vietnamese, and Korean. If your desired language isn't supported yet, please contact us to add it: support@aisubtrans.com
Are there any limitations on the subtitle translation service?
Yes. For efficiency and to prevent abuse, we've set some limits: maximum 5 subtitle files per upload, with restrictions on line count, entry count, and character count - all checked before uploading.
How are user files stored?
User files are stored in individual directories. Only translated subtitle files are available for download and accessible exclusively by the user. Files are retained for 7 days and automatically deleted afterward.
Changelog
2025-07-15
- We are adjusting our pricing model from a 'subscription-based' system to 'Credit Packs'. All purchased credits will no longer have an expiration date and will remain valid permanently.
2025-07-12
- Users can register and log in to this site using their email address.
- International support: Chinese/English/Japanese
2025-06-01
- Added support for SRT/ASS/VTT subtitle formats
- Optimized responsive layout for usage statistics page
2025-05-20
- Launched AI Subtitle Translation Platform v1.0
- Added batch generation for multilingual subtitles