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Fast SRT is an AI subtitle generation service operated by ATHENA AI in Hong Kong. Its core workflow is simple: upload an audio or video file, and the system automatically transcribes it and generates timestamped subtitles that can be exported as SRT or VTT. It emphasizes that “most tasks are completed within one minute,” supports files up to 1GB, and is aimed at creators and teams looking to reduce the cost and effort of manual timing and subtitle cleanup.
According to the main content, Fast SRT uses a combination of the Whisper AI model and ASR models, with additional post-processing to improve timelines, punctuation, and segmentation. It supports 50+ languages and automatic language detection, with explicit support for Chinese. For clear audio, it claims accuracy of 95%+. The product also offers waveform preview, subtitle segment editing, timeline fine-tuning, and pre-export preview, covering the basic workflow from transcription to subtitle delivery. For developers or automation use cases, the page mentions REST API and webhook support, but does not disclose API documentation, rate limits, or authentication details.
Fast SRT uses token-based pay-as-you-go pricing with no subscription required. 1 token is roughly equal to 1 second of processing time. New users receive 600 free tokens, or about 10 minutes. Paid packages include $4.99 for about 3 hours, $9.99 for about 7 hours, and $14.99 for about 12 hours, with custom high-volume enterprise plans also available. Tokens currently do not expire, which is friendly for occasional users. The main content does not specify which payment methods are supported.
Its strengths include transparent pricing, no monthly lock-in, a low barrier to entry, and support for common audio and video formats such as MP3, WAV, AAC, FLAC, MP4, MOV, MKV, and more. On security, the service states that data is encrypted in transit and at rest, files are stored encrypted on R2, users can manually delete files, and each user can keep up to 5 active work projects at a time. The limitations are also clear: export formats are currently mainly SRT/VTT, while TXT is still marked as coming soon; accuracy depends on audio quality, language, and Whisper model performance; and the limit of 5 simultaneous work projects per user may constrain batch production.
Fast SRT is suitable for short-video creators, podcasters, course teams, meeting/sales call transcription, small content teams, and lightweight automation scenarios that need API or webhook integration. Access from mainland China is not stated in the main content, and payment methods are also undisclosed, so both should be considered unknown. If access or payment is limited, alternatives such as local Whisper, CapCut subtitles, Descript, VEED, and Kapwing may be worth considering. Overall, it is a clearly positioned and cost-effective subtitle tool, though enterprise users should further verify compliance, SLA, API documentation, and payment support.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on fastsrt.com official site.
fastsrt.com is an Unknown AI Apps provider. TG4G tracks its product information, an overall rating of 8.0/10, and a China-accessibility score of China direct-connect friendly. Click "Visit Official Site" to reach fastsrt.com directly.