Can it upscale mobile phone videos taken years ago?
Yes, it is ideal for older 480p or 720p iPhone and Android videos, making them crisp on modern 4K TVs and monitors.
Free AI Video Upscaler
Upgrade standard-definition videos to breathtaking 1080p and 4K quality.
Watching older videos, smartphone clips, or compressed online recordings on modern high-resolution screens often reveals jarring pixelation and softness. Traditional media players merely stretch frames, exposing pixel grid lines.
UltraScale Video Upscaler applies deep learning to synthesize realistic edge detail between frames, producing smooth gradients, natural motion, and high-definition clarity.
Upload your video, select your target resolution, and watch your footage transform into crisp, modern content without annoying watermarks.
Click to upload your file
Supports MP4, MOV, WEBM, AVI up to 100MB • No watermark
Upscaled 1600x2400Photographic 4x
Original 400x600Processed with UltraScale AI
Technical Profile
Tool Specifications & Capabilities
Supported Formats
MP4, MOV, WEBM, AVI (up to 100MB)
Scaling Factors
2x and 4x frame upscaling
Processing Engine
Multi-threaded Neural Scaling + H.264 Encoder
Max Output Resolution
Up to 1080p & 4K
Privacy & Licensing
100% Free, No Watermark, No Login • Files purged within 1 hour
Simple 3-Step Workflow
How to use this tool
1
Choose Video File
Drag your video into the dropzone. We support MP4, MOV, WEBM, and AVI.
2
Set Target Resolution
Choose 2x or 4x multiplier to upscale to 1080p Full HD or 4K.
3
Download 4K Video
Save the upscaled video file with full audio synchronization.
Answers & Details
Frequently Asked Questions
Will the audio go out of sync after upscaling?
No. The audio stream is extracted, preserved, and re-synchronized frame-for-frame during the final compilation.
Is there any software to install on my computer?
No, everything processes remotely in the cloud. You do not need a high-end GPU or special software installed.
Related Tools & Learning Guides
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