| What it does | Add captions to videos without watermarks, with word-level timing and styling
| Free AI video upscaler that runs in your browser with no watermark, signup, or upload required
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| Pricing model | Freemium
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| Pricing | Free: 3 video projects per month, 1080p output, up to 10 minutes, no watermark. Starter: $7/month or $60/year (annual saves 29%), 200 MP4 exports per month, 4K output, up to 120 minutes.
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| Key features | - AI transcription - automatic speech-to-text with word-level timing
- Editable captions - correct transcript text before export
- Live preview - style captions directly on footage in real time
- Caption styling - typography, emphasis, size, color and position
- Multiple export formats - MP4, SRT, VTT, or TXT
- Watermark-free output on all plans
- Animated captions - word-aware and phrase-level caption motion
- No account required to start - upload and style as a guest
| - Runs entirely in browser on WebGPU with no upload required
- Upscale to 1080p, 2K or 4K resolution
- No signup, watermark or account needed
- Supports videos of any length with progress saved
- Batch upscale up to 200 videos at once on computer
- Opens MP4, MOV, MKV, WebM, 3GP and converts older formats
- Quality tiers from 2× passes to 4× restoration
- Deinterlace interlaced video during conversion
- Download results as MP4, MOV, MKV or WebM with audio
- Works on phones with Chrome, Edge, Samsung Internet or Safari
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| What makes it different | - No watermark on free plan - finished 1080p export ready to publish
- No account needed to start - try the full workflow before signing in
- Word-level caption timing - edit individual word placement and timing
- Four subtitle export formats - flexibility for different platforms
- Live caption editing against real footage - no waiting for re-renders
| - Runs entirely on your device—no file uploads to servers or accounts required
- Measures your device's graphics performance to give accurate time estimates
- Supports unlimited video length with progress saved automatically
- Batch process up to 200 videos with one set of settings
- Adapts quality settings based on content type and compression level
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 11 ▲ +1 (up) since last check | 2 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 3 | 11 |
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| Citation Flow (Majestic) | 25 | 19 |
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| Referring domains (Majestic) | 14 | 3 |
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Auto Subtitle Generator
4K Video Upscaler