Free Tool — No Upload Required

Upscale Images Online

Upscale images to 4K with advanced sharpening, noise reduction, and color adjustments — 100% private, runs in your browser.

Select Images

Drop images here

or click to browse · JPG, PNG, WebP supported · max 5 images

Upscale Settings
Advanced Settings
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Ready to upscale
Upload images to get started
0 files Max Scale: — Upscaled: 0
Before & After
Upload an image to see preview
Why Use AFFLIGO?
Advanced Sharpening
Edge-aware sharpening with halo suppression for crisp, natural results at any scale.
100% Private
Images never leave your device — zero server uploads, complete privacy.
Live Comparison
Compare original and upscaled side by side with an interactive slider before downloading.
Read the Guide
How to Upscale Images
Step-by-step guide to increase image resolution using smart upscaling.
Read Guide →
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How to Upscale Images Online

Step 1
Upload an Image
Drag and drop or click to select a JPG, PNG, or WebP image — up to 5 files at once.
Step 2
Choose Settings
Pick a scale factor and tweak sharpening, noise reduction, and color adjustments.
Step 3
Upscale & Download
Click Upscale, compare before/after, then download each image or all as a ZIP.

Frequently Asked Questions

What does upscaling do?

It intelligently increases image resolution while preserving detail, using edge-aware algorithms to reconstruct sharp, natural-looking results.

Is my image data private?

Yes. All processing runs entirely in your browser. Your images never leave your device.

Can I upscale multiple images?

Yes, you can upload up to 5 images and upscale them in batch. Download each individually or all at once as a ZIP file.

Is the upscaler free to use?

Absolutely. All features — 4K upscaling, sharpening, noise reduction, and color adjustments — are completely free.

What image formats are supported?

The tool supports JPG, PNG, and WebP input and output formats. You can convert between formats while upscaling.