Video tool · Free
Video Quality Enhancer — up to 4X
Upscale short clips (max 20 seconds) 2X, 3X or 4X with denoising and sharpening. Classic processing, not AI.
- Processed on our server — deleted when processing finishes
- Input: mp4, mov, m4v, webm, mkv → mp4
- Up to 100 MB per file
How to use Video Quality Enhancer — up to 4X
- 1
Add a video up to 20 seconds long (MP4, MOV, M4V, WEBM or MKV).
- 2
Choose the upscale factor (2X, 3X or 4X) and the denoise strength.
- 3
Click Enhance video and keep the tab open while it processes.
- 4
Compare before and after, then download the MP4.
About this tool
This tool improves short, low-resolution clips for social posts and presentations. It reduces video noise, upscales with the high-quality Lanczos filter by 2X, 3X or 4X, applies careful sharpening and re-encodes to high-quality H.264 MP4 with the audio kept. It uses classic video processing, not an AI model, so it makes footage cleaner and larger but cannot invent real detail. In this first version clips are limited to 20 seconds, and output is capped at 2560 px on the longest side to keep processing times reasonable.
Good to know
- Maximum 20 seconds per clip.
- Classic processing: it cannot restore detail lost to heavy compression or blur.
- Output capped at 2560 px on the longest side.
Frequently asked questions
Why only 20 seconds?
Upscaling is computationally heavy. The 20-second limit keeps processing reliable in this first version, and it is enforced both in the browser and on the server.
Is this AI upscaling?
No. It uses classic filters (denoise, Lanczos scaling and sharpening). Results are cleaner and larger but no new detail is created.
What is the maximum output resolution?
2560 px on the longest side by default. If 4X would exceed that, the scale is reduced automatically and the page tells you.
Is Video Quality Enhancer — up to 4X private?
Your file is uploaded over an encrypted connection and processed in a private temporary folder on our server. The uploaded file and the result are deleted from the server as soon as processing finishes — whether it succeeds or fails — and the result is sent straight to your browser. If an upload is interrupted part-way, its temporary data is removed automatically within about 30 minutes. We do not keep copies.
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