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AI Video Upscaler
Upscale video to 4K online. Upload one MP4, choose 720p, 1080p, 2K, or 4K, and let the AI rebuild sharpness and detail instead of stretching pixels. Powered by FlashVSR.
One MP4 per taskUp to 4K outputNo prompt requiredPowered by FlashVSR
Workflow
Upscale an existing video
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Generation Options
AfterBefore
Recent History0 running · 0 done
No history yet
Before and after
See the upscale hold up across real footage
Drag the handle to compare the low-quality source with the upscaled result across AI-generated clips, real-world footage, and longer takes.
AfterBefore
AI-generated footage
Clean up soft, low-resolution generations so text-to-video and image-to-video clips look finished.
AfterBefore
Real-world footage
Recover fine texture and edges in filmed footage — feathers, fabric, foliage, and skin.
AfterBefore
Longer clips
Hold detail and temporal stability across longer takes instead of a two-second demo.
Upscale video to 4K
Upscale Video to 4K
A 4K video upscaler does more than resize your footage. It reconstructs plausible edges and texture as the frame grows, so a 720p or 1080p source can fill a 4K timeline without looking soft or blocky.
Choose 4K when you need footage for large screens, high-resolution delivery, or a master you can downscale later. Pick 720p, 1080p, or 2K when a smaller, faster, lower-cost output is enough — pricing scales with the target resolution and the length of your clip.
AfterBefore
AI video quality enhancer
AI Video Quality Enhancer
Low resolution is only half the problem. FlashVSR is a diffusion-based video super-resolution model that also targets compression artifacts, noise, and softness, while keeping motion stable across frames.
Remove compression artifacts
Reduce the blocking and banding that appear after a clip is re-encoded, exported, or shared through lossy platforms.
Clean up noise and grain
Soften distracting sensor noise and grain from low-light or heavily compressed sources while keeping real detail.
Recover softness and blur
Rebuild edges and micro-texture so mildly soft footage reads sharp instead of smeared when it fills a larger frame.
Upscale a video in three steps
1
Upload your video
Add one MP4 up to 100 MB and 10 minutes. Sign in when you’re ready to run — you can browse and pick a file first.
2
Choose a resolution
Select 720p, 1080p, 2K, or 4K. The estimated credit cost updates from your clip length; the final price is measured server-side.
3
Download the result
The enhanced video is saved to your workspace history, where you can preview it and download the file.
Supported formats and limits
One video per task. We keep the limits honest so you know what to expect before you spend credits.
| What | Limit | Notes |
|---|---|---|
| Format | MP4 only | Upload a single MP4 file. Other containers must be converted to MP4 first. |
| File size | Up to 100 MB | Larger files are rejected before upload. Trim or compress a long clip to fit. |
| Duration | Up to 10 minutes | Clips up to 600 seconds are accepted. Cost scales with the input length. |
| Output | 720p to 4K | Pick the target resolution per task. 4K delivers the most detail at the highest cost. |
AI video upscaler FAQ
How much does it cost to upscale a video?+
Pricing is per second of input video and scales with the target resolution: 5 credits/second for 720p, 7.5 for 1080p, 10 for 2K, and 13 for 4K. A 10-second clip upscaled to 4K costs about 130 credits. The estimate shown on the page uses your clip’s duration; the authoritative price is measured server-side from the uploaded file.
What video formats and limits are supported?+
The tool accepts one MP4 file per task, up to 100 MB and up to 10 minutes (600 seconds). Files that are the wrong type, too large, or too long are rejected before any credits are spent.
Can it really upscale video to 4K?+
Yes. You can target 720p, 1080p, 2K, or 4K. 4K reconstructs the most detail and is best for large screens or high-resolution delivery, while lower tiers are faster and cheaper.
Does it fix compression artifacts, noise, and blur?+
Alongside increasing resolution, the AI video quality enhancer targets compression blocking, banding, sensor noise, and mild softness so re-encoded or low-light footage looks cleaner.
How long does processing take?+
Most clips finish in a few minutes, but processing time depends on the clip length, target resolution, and provider load. You can leave the page — the result is saved to your workspace when it’s ready.
Is my video kept private?+
Your uploaded video and the generated result are tied to your account and saved to your workspace history. You control the files from there.
What model powers the upscaler?+
FlashVSR, a diffusion-based video super-resolution model from OpenImagingLab research. This page runs that model in the Soutine workspace: upload an MP4, choose 720p to 4K, and enhance without a local GPU or a prompt.
Upscale your video to 4K
Upload one MP4, choose a resolution, and get a sharper, higher-resolution result saved to your workspace.
Upscale video