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What is Captioner?
Captioner is an AI-powered subtitle generator and editor designed to add accurate subtitles to videos quickly and efficiently. Built by Simon, an AI expert with experience at Amazon, Captioner addresses the challenge of creating precise, well-timed subtitles without extensive manual effort. It leverages advanced speech-to-text technology, specifically a fine-tuned Whisper model, to transcribe videos in over 98 languages with high accuracy. Users can upload videos up to three hours long, edit subtitles directly in the browser, translate subtitles with one click, and export subtitle files in popular formats like SRT, VTT, and SBV. Captioner is ideal for content creators, video editors, and marketers who need to enhance accessibility, improve engagement, or streamline their video production workflows.
AI Tool Review Summary
Performance Score
4.5/5
Content/Output Quality
High accuracy with precise timestamps
Interface
User-friendly and content creator-focused
AI Technology
LLMSpeech RecognitionNLP
Purpose of Tool
To generate and edit accurate subtitles for videos efficiently.
Compatibility
Works on browsers with support for MP4 and MOV uploads, exports to common subtitle formats for easy integration with video platforms and editing software.
Pricing
Freemium with affordable paid tiers offering enhanced features and unlimited usage.
Features
Features with the highest value for users are highlighted here.
High accuracy AI transcription
Support for 98+ languages
Precise subtitle timestamp alignment
Browser-based subtitle editing
Subtitle translation with one click
Import and align existing transcripts
Export in SBV, SRT, VTT formats
Video export with burned-in subtitles
Who Is It For?
Content Creators
Video Editors
Marketing Teams
Educators
Social Media Managers
Multilingual Teams
Small Businesses
Podcasters
Nonprofits
Freelancers
Pricing
Free
$0/free
- 3 videos per day
- 3 minutes max per video
- Express editor
- Watermark on rendered videos
- 720p export
Popular
Unlimited
$10/monthly
- Unlimited videos
- 3 hours max per video
- Pro subtitle editor
- Up to 4k export
- SRT file export
- Priority rendering
- No watermarks
Join the Command Staff.
Weekly intelligence on AI strategy, operations, and market shifts. No noise. No narrative. Direct to your inbox.
Pros & Cons
Pros
- Exceptional transcription accuracy optimized for video subtitles.
- User-friendly editor tailored for content creators.
Cons
- File size limit of 2GB may require video compression.
- Rendering videos with subtitles can be time-consuming.
FAQs
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Quick Captioner Comparision
Side-by-side with top alternatives in this category.
| Tool | Rating | Visits / mo | Global rank | Category rank | Engagement | Bounce | Top market | Starts at | Free tier | Integrations | Action |
|---|---|---|---|---|---|---|---|---|---|---|---|
 CaptionerAI Video Tools | 4.6 | 5.3K | #3,921,098 | — | 3s1.3 pages | 39% | IN#670,855 | $0 | Yes | 1 | View |
 Genesis AI StudioAI Video Tools | 4.8 | 546.2M | #68 | #1 | 2m 25s3.3 pages | 52% | US#49 | $0 | Yes | — | View |
 DeepFaceLiveAI Video Tools | 4.0 | 615.2M | #47 | #4 | 6m 23s5.9 pages | 36% | US#76 | $0 | Yes | — | View |
 Video MakerAI Video Tools | 3.9 | 1.1B | — | — | 2m 1s2.6 pages | 62% | — | $0 | Yes | — | View |
 AI Video Generator-HiCutAI Video Tools | 3.4 | 1.1B | — | — | 2m 1s2.6 pages | 62% | — | $0 | Yes | — | View |
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