Resize image to full size

Scale any image to 100% of its original size. Free, private, and processed entirely in your browser.

Choose Image(s) or Drag & Drop Here

Supported: JPG • PNG • WebP • AVIF • HEIC • BMP
  • Runs in your browser
  • No upload
  • Free, no signup

This preset scales an image to 100% of its original width and height. At 100% the size stays the same, which is useful when you only want to change format or compression.

Percentage resizing is relative, so every image keeps its own proportions and no target size has to be worked out in advance.

Scale100%
Pixel count after100% of the original
DirectionUnchanged

What 100% does to common images

A larger image means a larger file, roughly in proportion to the number of pixels. The file size will stay about the same.

Starting sizeResult
Phone photo (4000 × 3000)4000 × 3000 px (12 MP)
Full HD frame (1920 × 1080)1920 × 1080 px (2.07 MP)
Square image (1000 × 1000)1000 × 1000 px (1 MP)

Reducing without losing the point of the picture

Reducing to 100% throws away pixels, and downscaling is where resampling quality matters. ResizeAny uses Lanczos-3, which weighs neighboring pixels so fine lines stay clean instead of turning jagged or smudged.

Check the result at 100% zoom. If a shrunken screenshot or scan has become hard to read, the percentage is too aggressive; step it up or choose a fixed pixel size that keeps the small text legible.

ScalePixels remaining4000 × 3000 becomes
25%6.3%1000 × 750
50%25%2000 × 1500
75%56.3%3000 × 2250
100%100%4000 × 3000
150%225%6000 × 4500
200%400%8000 × 6000

When percentage resizing makes sense

  • A mixed folder of portrait and landscape photos where each should keep its own shape.
  • A quick shrink for email or messaging when you have no target in mind.
  • Enlarging a small graphic by a whole factor, though results get softer the further you go.
  • Repeating the same change across a batch, using the bulk resizer.

How to resize an image to full size

  1. Add your image. Select a photo or drag it onto the box above. JPG, PNG, WebP, AVIF, HEIC and BMP files are accepted, and the file stays on your device.
  2. Apply 100%. The preset scales width and height to 100% of the original. Each image keeps its own proportions relative to its size.
  3. Download the result. Click resize and save. Check the new pixel dimensions and file size in the preview before downloading.

Related presets

More in this category: Resize Image by Percentage. For several photos at once, use the bulk image resizer.

Frequently asked questions

What does resizing an image to 100% mean?▼
The width and height are each multiplied by 1. A 4000 × 3000 photo becomes 4000 × 3000 pixels.
Will the file size also be 100%?▼
No. File size follows the pixel count, which here is 100% of the original, and also depends on format and image detail. Treat it as an approximate guide, not an exact figure.
Does it keep the aspect ratio?▼
Yes. Both dimensions use the same scale, so nothing is stretched.
Is my image uploaded anywhere?▼
No. ResizeAny decodes, resizes and re-encodes your picture inside your browser tab, so a photo you prepare for percentage resizing never leaves your device. You can confirm this in your browser's developer tools: the Network tab shows no upload request while you work.

Looking for a different size or format?

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