4K Image Upscaler: Increase Image Resolution Online Free

One-Click to Free Upscale Images to 4K without Quality Loss

Skip hours of manually sharpening and increasing clarity. On PhotoGrid, all that's required is a single button with our online image upscaler for 4K. PhotoGrid's 4K generator only automatically adds pixels, with no distortion. Get free access to 4K AI upscaling in seconds.

convert low quality portrait to 4K HD photo with one click

Batch Upscaling with 100% Free Online 4K Photo Editor

Batch uploads multiple images on PhotoGrid, upscale to 4k resolution in the blink of an eye. No fees, and no need to download photo editing software—get 4K images online and make your image editing more efficient.

batch upscale blurry face photos to 4K with AI enhancer

What Can 4K Photo Upscaler Do?

PhotoGrid delivers natural 4K images for any use,
no matter if it's for photography, social media posts, or anyone who needs high-resolution visuals.

Old Photos

Product Photos

Anime

Large Prints

Old black-and-white portrait of a woman restored to vivid 4K quality

Restore Old Photos to 4K

Image 4K converter for old photo albums.
Use AI to unblur and remove noise, bringing back cherished memories.
Perfectly turn historical images and classic movie wallpapers into 4K.

convert blurry product image to 4k listing photo for amazon and etsy

Upscale Product Photos to 4K for E-commerce

Batch convert images to 4K resolution online for free and simplify your production editing workflow.
Display every detail, price, and time-proof information with clarity.
Designed for e-commerce platforms, social media marketing, and ad design.

enhance anime image to 4k resolution with sharp lines and clean colors

Upscale Anime, Wallpapers & Artworks to 4K

Make the artwork more vivid and smooth, and continue to make them hug each other.
4K visuals are perfect for anime lovers, designers, and collectors.
Upscale HD anime images to 4K with no distortion while keeping natural styles.

upscale blurry house photo to 4k real estate image

Free 1080P to 4K Upscaler for Large Prints

4K picture upscaler for large prints without losing details, blurriness, or authenticity.
Versatile use for posters, wallpapers, and exhibitions, and upscale texts with AI.
Handle all batch upscaling online with massive print templates.

How to Use PhotoGrid's 4K Image Upscaler?

upload moisturizer bottle image with PhotoGrid's 4K Image Upscaler.webp

Upload, Drag, or Paste

Upload images, drag and drop files, or paste the image you want to add resolution. JPG, PNG, and JPEG formats are supported.

4K Upscaling

PhotoGrid applies AI to automatically enhance details, sharpen textures, and increase resolution.

Download

Click "download" to save your 4K photos. You can continue to remove objects and generate cleaner, sharp, and professional images.

Upload images, drag and drop files, or paste the image you want to add resolution. JPG, PNG, and JPEG formats are supported.

PhotoGrid applies AI to automatically enhance details, sharpen textures, and increase resolution.

Click "download" to save your 4K photos. You can continue to remove objects and generate cleaner, sharp, and professional images.

Why Choose PhotoGrid's 4K Image Maker?

100% free

Have free access to high-resolution upscaling, with no hidden fees or credit card required.

Instantly upscale to 4K

Deliver professional 4K image enlargement. Add sharpness and vivid color to your photos, illustrations, or posters.

NO watermark

Make your upscaled work distraction-free and provide a 100% pure, watermark-free showcase.

Batch upscaling images

Say goodbye to uploading images one by one. Simplify your photo editing workflow with PhotoGrid's image 4k upscaler.

Privacy protection

All personal information and images will be deleted immediately after using our 4k upscaler.

Works on all devices

Enjoy a more flexible and free 4K image upscaler without downloads. Edit directly across Windows, Mac, iOS, and Android.