Free AI Video Upscaler

Upscale videos using Real-ESRGAN and Real-CUGAN for free, right in your browser - no signups, installation or config necessary. Choose from multiple AI models optimized for anime or general content. This tool supports multiple AI upscaling models:

Real-ESRGAN - Fast and high-quality upscaling for anime and general content (4x)
Real-CUGAN - Conservative upscaling with denoising support (2x/4x)

All processing runs entirely in your browser using ONNX Runtime Web with WebGPU acceleration when available.



Your browser does not support , a required browser feature for this tool.

Try using the latest version of You can use the latest Chrome browser Chrome or You can use the latest Edge browser Edge on a desktop/laptop with a dedicated GPU.

For what it's worth, here's how it's supposed to work [YouTube link]

Loading

An error occurred while processing the video:

Choose a video to upscale

Supports MP4, WebM, and MKV files • Real-ESRGAN & Real-CUGAN models

Full Screen
AI Model
Denoise Level

Only available with Real-CUGAN models

Output Format
Output Resolution
Input: x
Output (): x
Estimated Size:

Upscaling . Estimated time left:

If you like the tool, please consider giving a github star
on this Github Repo, it helps more people discover Free AI Video Upscaler

Source code on Github.     Powered by Real-ESRGAN & Real-CUGAN
Issues, questions or suggestions, go here