To resize pixel art in Photopea, you primarily use the Image Size dialog. This allows you to change the dimensions (width and height) of your image.
Here's how:
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Open your pixel art image in Photopea.
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Go to Image > Image Size... This will open the Image Size dialog box.
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Enter the new width and height you desire in the respective fields. Make sure the "Resample" option is selected.
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Choose a Resample method. For pixel art, it's crucial to use a resampling method that avoids blurring. Here's a breakdown of suitable options:
- Nearest Neighbor: This is generally the best choice for pixel art. It preserves sharp edges and avoids introducing new colors or blurring. Each pixel from the original image is simply enlarged to the new size.
- Bicubic Sharper: While primarily used for upscaling, this method can be used for some cases. Be careful as it may introduce artifacts.
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Click OK. Photopea will resize your image using the selected resampling method.
Important Considerations for Pixel Art Resizing:
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Preserve Pixelated Look: The key to resizing pixel art successfully is to maintain its distinct, blocky appearance. Avoid resampling methods like "Bilinear" or standard "Bicubic" as these will blur the image.
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Integer Scaling: If you want to make your pixel art larger, consider scaling it by integer values (e.g., 2x, 3x, 4x). This means multiplying the original width and height by a whole number. Integer scaling with Nearest Neighbor yields the cleanest results and preserves the intended pixel art style.
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DPI (Dots Per Inch): DPI is primarily relevant for printing. Changing the DPI in the Image Size dialog without changing the pixel dimensions won't affect the on-screen appearance of your pixel art. If you are preparing the pixel art for printing, adjust the DPI accordingly, but make sure the pixel dimensions are also correctly scaled to achieve the desired print size and resolution.
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Avoid Rotating with Resampling: Rotating pixel art can lead to significant blurring if resampling is involved. If you need to rotate the image, do so before resizing, or rotate it by increments of 90 degrees to avoid resampling artifacts. (Image > Transform > Rotate).
By using the correct resampling method (especially Nearest Neighbor) and understanding the impact of scaling factors, you can effectively resize pixel art in Photopea while maintaining its characteristic aesthetic.