Local AI video enhancer for Windows and Mac with free previews and perpetual licensing
Free AI video upscaler that runs in your browser with no watermark, signup, or upload required
Stage
Not given
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Founded
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Based in
HK
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Pricing model
Paid
Free
Pricing
1 Month License: $29.99 first month, then $35.99/month. 1 Year License: $79.99 first year, then $99.99/year. Perpetual License: $169.99 one-time payment.
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Key features
Video upscaling to 1080p and 4K
Quality repair with denoising and detail recovery
Colorization of black and white footage
Frame interpolation up to 144 fps
AI beauty retouching with preset styles
Background removal and replacement without green screen
Video stabilization
Color grading including SDR to HDR conversion
Audio denoising and voice enhancement
Batch processing with Apply params to multiple files
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
What makes it different
Runs entirely on your own computer with no cloud upload of media
One license covers all 30+ modules with no per-minute or credit fees
Free previews of 1, 3, or 5 seconds without requiring an account or card
Single license supports 2 devices simultaneously, Windows and Mac in any combination
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
KwaFlux
4K Video Upscaler