Add Subtitle.ai
Free
Add Subtitle.ai is an online video localization tool that provides subtitle generation, video translation, AI dubbing, voice cloning and lip synchronization, covering 100+ languages, and is suitable for short video overseas and multi-language content distribution.
Add Subtitle.ai tool text
Core parameters and statistics
| Parameters | Current public information | Description |
|---|---|---|
| Product positioning | Video localization tool | Subtitles + translation + dubbing in one |
| Language support | 100+ languages | Official page public |
| Core capabilities | Subtitles/translation/dubbing/lip sync/voice cloning | Online tools, no installation required |
| Billing method | Credits system | Billing based on consumption |
| Starting minimum | Free 30 credits/month | Public pricing page |
The real selling point of Add Subtitle.ai is not "AI subtitle editing", but the link of subtitles → translation → dubbing → lip synchronization required for the video to be exported overseas, running through it in the same online tool.
User and market recognition
- The official page directly displays the Basic/Standard/Pro/Enterprise pricing tiers, indicating that it is aimed at users with continuous content production needs, rather than individuals who occasionally try it out.
- The total number of users, the number of videos processed, or the number of enterprise customers has not been disclosed. Judging from the completion of the product, it has obviously passed the "Demo stage".
- Brands, agents, self-media and online education are the main visible target user groups.
Cost advantage
- C-side/Individual: The free version is 30 credits per month, with watermark, 720P output, suitable for trial and small-scale production.
- Developer/API: The Enterprise package mentions API/SDK docking, and the specific access method and rate need to be confirmed by the business.
- Enterprise/Private: Enterprise pricing Let's talk, suitable for teams localizing high-volume content or looking for API integration.
The hidden benefit is to reduce multi-tool switching and subtitle rework; the hidden risk is the compliance issues of voice cloning and face swapping, and the authorization boundaries need to be confirmed before using other people's voices.
Main functions
- Automatic subtitle generation: Automatically recognize the voice after uploading the video and generate subtitles with time code.
- Video Translation: Translate subtitles/scripts to 100+ languages.
- AI dubbing and voice cloning: Generate dubbing in the target language and support cloning of original voice features.
- Lip Sync: Automatically synchronizes lip movements after dubbing is translated to enhance the viewing experience.
- Online Subtitle Editor: Modify subtitle text, style and timeline in real time, and support exporting to multiple formats.
Model and version evolution
The official website has not disclosed the version number or update log yet. From the current pricing page, it can be inferred that the product has entered the commercialization stage:
- The existence of the free tier indicates that the customer acquisition strategy is mature;
- Enterprise provides API/SDK to illustrate the B-side implementation requirements;
- 100+ language support illustrates that underlying translation and TTS capabilities have been iterated to usable levels.
Technical advantages
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Mechanism: Translation + voice cloning + lip sync integrated pipeline.
Effect: The translated video retains the personality of the original content, rather than just text corresponding audio replacement. Applicable scenarios: Production of multi-language videos for brands going global and multi-language versions of educational courses.
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Mechanism: Credit based billing + online subtitle editor.
Effect: Low-cost trial production first, and then expansion according to the production capacity ladder; for rework, you only need to change the subtitles online, without having to go through the entire process again. Applicable scenarios: Video localization workflow for small and medium-sized teams.
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Mechanics: 100+ language subtitles and translation coverage.
Effect: From Chinese, English to small language markets, there is no need to switch multiple platforms. Applicable scenarios: Cross-border marketing teams, multi-market short video distribution.
How to use
- Trial Path: Register an account → Upload video → Select target language → Generate subtitles/translation/dubbing → Export after online proofreading.
- Standard production path: Subscribe to Standard or Pro → Batch upload → Subtitle generation → Dubbing/lip sync → Export without watermark.
- Enterprise access path: Contact through the Enterprise page → Confirm API/SDK access method and batch price.
Product Pricing
| Level | Official website price | Description |
|---|---|---|
| Basic | $0/month, 30 Credits | Watermarked, 720P, includes 3 voice clones |
| Standard | $9.9/month, 200 Credits | No watermark, includes 7 days of cloud storage |
| Pro | $19.9/month, 500 Credits | No watermark, higher credit |
| Enterprise | Let's talk | API/SDK, volume pricing, exclusive services |
The annual payment discount is about 31%, and the pricing page displays both monthly payment and annual payment options.
Application scenarios
- Short video overseas: Suitable for quickly localizing domestic content into multi-language versions and putting them on overseas platforms.
- Online Education Courses: Suitable for dubbing course videos into multi-language versions to expand the audience.
- Brand Marketing Video: Suitable for enterprises to develop multi-market and multi-language advertising materials.
Applicable people
- Short video creators and self-media team: Need to quickly create multi-language versions.
- Cross-border e-commerce marketing team: Need to localize product videos into multi-lingual versions.
- Online Education Institution: Need to do multi-language subtitles and dubbing for course content.
Doesn’t fit the boundaries: If you need film-quality post-production, complex timeline editing, or broadcast-quality mastering, this is not a replacement for a professional NLE.
Summary and Outlook
It provides competitive solutions in its field, and its core value lies in lowering the threshold for AI use in this field.
Current limitations: Some advanced features require paid subscription, and the free version has function or usage restrictions; specific technical details and performance benchmarks have not yet been fully disclosed.
Related tools: runway, pika
Reference sources
Version Info
- Current Web App ：The currently available version on the official website includes Basic/Standard/Pro/Enterprise pricing packages and 100+ language support; there is no official precise version number and date yet.
- Pricing Page Refresh ：The official pricing page shows the current Basic/Standard/Pro/Enterprise packages, and there is no official precise version date yet.
User Reviews