Upscale images offline using Upscayl

Upscayl Try it →Watch full video →Learn with Limon · Dec 2025

Demo summary

The video demonstrates how to download, install, and use the open-source software Upscayl to select an AI model and process a low-resolution image into a high-resolution PNG.

Step-by-step

Go to upscale.org and download the installer for your operating system
Run the .exe installer and follow the onscreen steps
Launch the Upscayl application
Click to choose your input image
Select an AI model from the menu
Choose an output folder
Click Upscale and wait for the processing to complete

Options

Change the default PNG output format in settings
Load additional models from the GitHub page for sharper results
Perform batch upscaling for multiple images

Watch out for

Processing time is dependent on the power of your PC hardware

Tips

Compare the original and upscaled versions side-by-side inside the app after processing

Highlights

“smoothly on low-end PCs”

All demos from “How to Upscale Images 2026 | Free AI Image Upscaler 2026 - Free Image Enhancer 2026”

0:311:13Upscale images offline using UpscaylCurrentThe video demonstrates how to download, install, and use the open-source software Upscayl to select an AI model and process a low-resolution image into a high-resolution PNG.Upscayl· AI Image Upscaler
2:350:26Upscale images online with Image UpscalerA demonstration of the Image Upscaler website where a user uploads a low-quality image, uses a before-and-after slider to compare results, and downloads the enhanced file.Upscaler· AI Image Upscaler
Watch “How to Upscale Images 2026 | Free AI Image Upscaler 2026 - Free Image Enhancer 2026” →

AI Image Upscaler

2:361:08Desktop image upscaling with UpscaylThe creator demonstrates the Upscayl desktop application, showing how to select a High Fidelity model, set a 4x scale, and process an image locally.Brendan Williams
0:300:44Selecting images and AI models in UpscaylThe user demonstrates how to import a single image and choose between different AI models like 'Upscayl Standard', 'Upscayl Light', and 'Digital Art' based on the image type.Upscayl
1:160:45Configuring Double Upscayl and scale factorsThe demonstration shows how to toggle the 'Double Upscayl' feature for 16x enhancement and how to adjust the image scale slider from 4x up to 16x.Upscayl
2:090:32Upscaling an image and comparing resultsThe user executes the upscaling process and uses the 'lens view' slider to show a side-by-side comparison of the original low-res image versus the sharpened AI output.Upscayl
2:411:21Configuring Upscayl application settingsA walkthrough of the settings tab in Upscayl, showing how to change themes, select output formats, set custom widths, and manage GPU IDs or custom models.Upscayl
2:481:53Upscale a vintage poster with UpscaylThe creator demonstrates how to select an image, choose the 'Digital Art' model, and perform a 4x AI upscale on a vintage Harry Houdini poster.Crafty Stax
4:411:04Compare before and after results in UpscaylThe video shows the side-by-side comparison slider and zoom tool in Upscayl to inspect the improved facial details and reduced noise in the upscaled image.Crafty Stax
6:252:09Upscale a photograph using the UltraSharp modelThe user demonstrates upscaling an old photograph of New York City using the 'UltraSharp' general photo model to restore blurry text and background details.Crafty Stax
0:301:29Upscale an image with UpscaylThe user demonstrates how to select an image, choose an AI model, and configure settings like 'Double Upscale' and image scale within the Upscayl desktop application. The clip shows the processing and the final result using a side-by-side comparison slider.@How2Harbor
0:311:13Upscale images offline using UpscaylCurrentThe video demonstrates how to download, install, and use the open-source software Upscayl to select an AI model and process a low-resolution image into a high-resolution PNG.Learn with Limon