Free AI video upscaler that runs in your browser to turn blurry clips into sharp, detailed MP4s
Convert HTML, CSS and JavaScript animations into MP4 videos locally on Windows
Stage
Not given
Not given
Founded
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Based in
VN
CA
Pricing model
Free
Freemium
Pricing
Not given
Free trial: $0 with 10 renders, up to 1080p, up to 10 seconds per video. Desktop Pro: CAD $19 one-time payment with unlimited conversions, batch rendering, up to 4K resolution, and activation on up to 3 machines.
Key features
Process videos locally in browser without uploading
Upscale to 2x or 4x resolution
Support for MP4, MOV, WebM and MKV formats
Two upscaling engines: IMDN for up to 720p and AMD FidelityFX for larger sources
Fast and High quality modes
Anime mode for line art preservation
One-frame preview before processing entire video
Audio preserved in output MP4
No account or sign-up required
Output as H.264 MP4 at original frame rate
Supports HTML, CSS, Canvas and WebGL animations
Local rendering with private file processing
Batch rendering with up to 4 concurrent workers
Hardware GPU encoding (NVIDIA NVENC, AMD AMF, Intel QSV) with CPU fallback
Up to 4K UHD resolution (3840 x 2160)
Audio capture and external audio file support
Activation on up to 3 machines
Automatic browser crash recovery
30-day offline grace period after activation
Open-source MIT Node.js CLI alternative
What makes it different
Runs entirely in your browser with no file uploads, keeping videos private
Free with no sign-up, watermark, or account required
No server queue or processing delays
Preserves original audio in the output video
Preview frame before committing to full video processing
All rendering happens locally on your machine
Pre-bundled Chromium and FFmpeg, no terminal or setup required
Test animation rendering for free before purchasing
Deterministic rendering with frame-by-frame control
TapirUpscale
htmltomp4