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Resize by Percentage

Scale images to any percentage of their original size. Aspect ratio always locked.

📁 Drop image here or

About Resize by Percentage

Resize by Percentage is a free online image tool that lets you scale images to any percentage of their original size. aspect ratio always locked without uploading files to any server. Designers, photographers, bloggers, and social media managers rely on browser-based image tools to make quick edits without launching heavy desktop software. Your images never leave your device — all processing happens locally using modern browser APIs.

How to Use

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Upload your image Click the upload area or drag and drop your image file. Supports JPEG, PNG, WebP, and other common formats.
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Adjust settings Use the available controls to adjust parameters like size, quality, format, or effect intensity.
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Preview the result See a live preview of your processed image before downloading. Make adjustments until you're satisfied.
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Download Click the Download button to save the processed image to your device in your chosen format.
🔒 Privacy note: All processing happens locally in your browser. Your data is never sent to any server.

Why Use Resize by Percentage?

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No Upload Required Unlike most online image tools, Resize by Percentage processes your images entirely in your browser. Your photos and graphics never leave your device.
Instant Processing Modern browser APIs handle image operations at near-native speed. Most operations complete in under a second, even for high-resolution images.
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Professional Quality Get results comparable to desktop software like Photoshop or GIMP, without the learning curve or price tag. Perfect for quick edits and batch operations.
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Multiple Format Support Works with JPEG, PNG, WebP, and more. Download your result in the format that best suits your needs — optimized for web, print, or social media.

Frequently Asked Questions

Yes. The percentage slider goes up to 500% (5×). Keep in mind that upscaling adds no new detail and may result in a blurry or pixelated image. Canvas uses bilinear interpolation which produces smooth (not blocky) upscaling.
JPEG quality (50–100%) controls the compression level. 90% provides excellent quality with good file size reduction. Lower values produce smaller files with more visible compression artifacts.
Yes, aspect ratio is always locked. Percentage scaling applies equally to both width and height, so the image proportions are never distorted.