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Upscale images 2x or 4x in your browser

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Enlarge images using high-quality browser interpolation. Useful for layout sizing and exports; it is not AI detail reconstruction.

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How it works

Three steps from start to finish.

Pick a scale factor

Choose 2x, 3x or 4x to set how much larger the output should be relative to the original.

Preview the enlarged result

The tool applies high-quality browser-native interpolation and shows you the new dimensions before export.

Download the larger image

Export the upscaled file in your chosen format — useful for layout sizing, printing or display purposes.

Use cases

Where this tool earns its keep.

Enlarging small images for a bigger layout slot

Stretch a smaller source image to fill a larger banner, hero or print area when no higher-resolution original exists.

Preparing low-resolution assets for display

Scale up older or web-sized graphics so they fill a larger screen or projection area more presentably.

Scaling icons and graphics for high-DPI screens

Enlarge simple graphics or icons to match the pixel density expected by modern phone and laptop displays.

Tips

Get the most out of it.

Standard scaling

This resizes smoothly but cannot invent missing detail.

Mind dimensions

A 4x scale produces sixteen times as many pixels.

Compress after

Upscaled images can be huge — re-compress for the web.

Common mistakes

Avoid these before you export.

Expecting AI-level detail reconstruction

This tool resizes smoothly using browser-native interpolation — it cannot invent missing detail the way generative AI upscalers do. The result is larger and smooth, not sharper than the source allows.

Upscaling an already-blurry or heavily compressed image

Enlarging soft or artefact-heavy source material makes those flaws larger and more visible, not less. Start from the sharpest original you have.

Not accounting for the much larger output size

A 4x scale produces sixteen times the pixels — and a correspondingly larger file. Plan to re-compress the result before using it on the web.

FAQ

Questions people ask about this tool.

Will upscaling make my image sharper or add detail?
No — it enlarges smoothly using interpolation, which fills in new pixels based on neighboring ones. It won't recover detail that was never captured in the original.
What's the largest scale factor available?
Up to 4x, which produces an image with sixteen times the original pixel count — useful for layout sizing, but expect a notably larger file.
Why is my upscaled file so much bigger than the original?
More pixels mean more data to encode. Run the upscaled result through Compress afterward if it needs to stay web-friendly.