Are uploaded images saved on the server?

No, the images you upload and the processed data are handled entirely within your device's browser. No data is sent to or stored on our servers, making it safe even for unreleased game assets.

Will the image become blurry when upscaled?

No, it won't. This tool forcibly applies 'Nearest Neighbor' interpolation for upscaling, preserving the crisp, sharp edges (pixelation) characteristic of pixel art.

Can I use this to upscale regular photos or illustrations?

This tool is specifically designed for pixel art. If you upscale standard photos or smooth illustrations, it will emphasize mosaic-like pixelation, resulting in rough, blocky images. Please use AI upscalers designed for photos.

What image formats are supported?

It supports standard browser-readable formats like PNG, JPG, WebP, and GIF (static only). Due to the nature of pixel art, PNG without lossy compression noise is highly recommended. The output is always a PNG.

Can I choose any scale factor?

Yes. In addition to the convenient preset buttons for 2x, 3x, 4x, 8x, and 16x, you can enter any integer value using the custom input field.

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pixel art upscaler,

Pixel Art Upscaler

Upscale pixel art without blur (Nearest Neighbor)

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No Blur

Preserves crisp edges with Nearest Neighbor

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Intuitive

Just drop an image and pick a scale

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100% Local

Images are never sent to a server

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Select Image

Drag & drop images here, or click to select

🔒 Your images are never sent to any server. All processing is done locally.

Cron Generator

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JSON to TS Interface

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HTTP Header Checker

about,

About Pixel Art Upscaler

This is a free online tool that allows you to enlarge (upscale) pixel art to any size while preserving its characteristic crisp edges. When you render scaled-up pixel art using standard image software or regular browsers, you usually encounter a blurring (anti-aliasing) issue. Our tool solves this problem perfectly by applying the Nearest Neighbor algorithm. It provides essential quality retention for pixel artists and game developers. Moreover, your image data is processed securely entirely within your device's browser and is never sent to any server.

how to,

How to Upscale Images

STEP 1

Upload Pixel Art

Drag and drop your pixel art image file (PNG, GIF, etc.) into the designated area, or click the area to select the file manually.

STEP 2

Select Scale Factor

Once the image loads, the settings panel will appear. Choose a desired scale from the preset buttons like 2x, 4x, or 8x, or enter a custom integer value. Check the preview to ensure there is no blurring.

STEP 3

Save Image

Once configured, click the 'Save Upscaled Image' button. Your high-resolution pixel art will be downloaded immediately as a PNG image.

glossary,

Pixel Art Glossary

Pixel Art: A form of digital art created by drawing dots (pixels) one by one. Known for its unique warmth and retro video game aesthetic, it remains highly popular today.
Nearest Neighbor: An image scaling algorithm that directly copies the color of the nearest pixel when resizing. Because it doesn't try to blend colors, it can enlarge pixel art without blurring its sharp edges.
Upscale: The process of increasing the resolution of an image. While AI interpolation works well for standard photos, pixel art requires Nearest Neighbor scaling to look correct.
Anti-aliasing: A technique to make jagged edges look smooth by adding intermediate colors. Useful for photos and text, but it makes pixel art look out of focus, ruining it completely.
Canvas API: An HTML5 feature that allows dynamic rendering of shapes and images using JavaScript in the browser. This tool uses it to process images entirely locally without a backend server.
Local Processing: A system where data is processed entirely within the user's device rather than sent over the internet to a server. This ensures 100% privacy and is safe for confidential assets.

faq,

Frequently Asked Questions

Q.Are uploaded images saved on the server?: No, the images you upload and the processed data are handled entirely within your device's browser. No data is sent to or stored on our servers, making it safe even for unreleased game assets.
Q.Will the image become blurry when upscaled?: No, it won't. This tool forcibly applies 'Nearest Neighbor' interpolation for upscaling, preserving the crisp, sharp edges (pixelation) characteristic of pixel art.
Q.Can I use this to upscale regular photos or illustrations?: This tool is specifically designed for pixel art. If you upscale standard photos or smooth illustrations, it will emphasize mosaic-like pixelation, resulting in rough, blocky images. Please use AI upscalers designed for photos.
Q.What image formats are supported?: It supports standard browser-readable formats like PNG, JPG, WebP, and GIF (static only). Due to the nature of pixel art, PNG without lossy compression noise is highly recommended. The output is always a PNG.
Q.Can I choose any scale factor?: Yes. In addition to the convenient preset buttons for 2x, 3x, 4x, 8x, and 16x, you can enter any integer value using the custom input field.

use cases,

Use Cases for Pixel Art Upscaler

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Game Asset Generation

Upscale your tiny 32x32px sprites and character assets by 4x or 8x so they display correctly on high-resolution screens or in game engines without losing clarity.

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Social Media & Portfolios

If you upload tiny pixel art directly to platforms like X (Twitter), their automatic compression might blur it. Scaling it up beforehand with our tool ensures your followers see crisp pixels.

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