4K Image Upscaler - Enough Pixels, With Detail That Holds Up
Aimed at 4K screens and large images. For video, use the 4K video upscaler. To fix blur first, start with the AI image upscaler.
Upload & Upscale
Drag & drop to upload
Drop your image here
or click to select file
Your first upscale is free — no account needed.
Why Choose Our 4K Image Upscaler
Powerful features designed to give you the best upscaling experience
4K usually means 3840×2160
The source needs usable detail for the result to hold up
Aspect ratio is kept
Try 2x or 4x first, then decide whether to go to 4K
For larger deliveries, use the [8K image upscaler](/tools/8k-image-upscaler)
Original-resolution downloads use paid credits
How to Use 4K Image Upscaler
Upscale your images in 3 simple steps
Upload Your image
Drag and drop your image file. We support all common formats including PNG, JPG, WebP, and more.
Select Upscale Settings
Choose your desired upscale factor (2x, 4x, or 8x) and adjust quality settings. Our AI will optimize the result automatically.
Download Enhanced Result
Click upscale and wait a few seconds. Clean paid downloads are available for results you want to keep.
Questions Before You Run a Job
These are the practical questions people usually ask before using our 4K Image Upscaler workflow.
Closely Related Tools
Use these only when your job fits a neighboring workflow better
AI Image Upscaler - Recover Detail, Not Just Size
Start in the repair-first lane when a normal resize is not enough and the image needs denoise, deblur, or texture recovery before it looks ready to ship.
Image Upscaler for Print-Ready Photos, Posters, and Artwork
Turn a small source into a larger print candidate by adding real pixel dimensions, checking detail at final size, and exporting the protected full-resolution result.
Photo Upscaler - Make Photos Larger and Clearer
For portraits, landscapes and photos you want to keep. For close-ups of faces, use our face upscaler. For scanned prints, try the old photo upscaler.
Video Upscaler - Sharpen Low-Resolution Video to 4K
Upload MP4, MOV or WebM up to 200MB and pick a 1080p or 4K target. Start with a short clip. For still images, use the image upscaler.
Free Image Upscaler - Try It Before You Pay
Run one image through the AI image upscaler to see the result, then decide whether to spend paid credits on the original download. For video, try our free video upscaler.
Try the workflow with one image before you scale it up
Upload one image, inspect the result, and decide whether this 4K Image Upscaler workflow is the right fit for the rest of the job.