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Image Downscaler
Shrink any photo to a smaller size with smooth, high quality downsampling.
Downscale an image
Output size: No image loaded
Scale factor: —
How to use the Image Downscaler
- Choose the photo you want to shrink from your device.
- Select the new size, such as half or a quarter of the original.
- Click the download link to save the smaller PNG file.
Features
- Shrink to 75, 50, 25 or 10 percent of the original
- Smooth resampling with no jagged stair step edges
- Halving in steps preserves more fine detail
- Reports the exact new pixel size and scale
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Frequently Asked Questions
Common questions about the free online image downscaler.
Choose your photo, pick a percentage such as 50 or 25, then click the download link to save
the smaller PNG file to your device.
No. The photo is decoded locally and resized on a canvas, so nothing is uploaded to any
server at any point.
Halving the size in steps keeps more detail than one big jump, because each step averages a
smaller neighbourhood of pixels.
Yes. A half size photo is about a quarter of the file size in pixels, which is ideal for
email attachments and faster pages.
Resizing always loses some fine detail, but smooth resampling avoids the jagged edges that a
simple nearest neighbour shrink creates.
You can open JPG, PNG, WebP, GIF, BMP and any other format your browser can decode. The
smaller copy is saved as a PNG.
The source is capped at 4000 pixels on the longest side, which keeps the browser responsive
even for very large camera files.
Yes. The downscaler is fully responsive and works in any modern browser on phones, tablets
and desktop computers.
Yes. It is completely free and unlimited, with no account, no sign-up and no watermark on
your downloaded image.
Last updated: October 10, 2026