Resize Image Online by Pixels or Percentage | Piczilo
PicziloImages made lighter.

Image resizer

Resize an image online

Set custom dimensions in pixels or resize by percentage without uploading your image. Piczilo prepares the resized download locally in your browser.

JPG, PNG, WebP inputBrowser-only

Choose an image

Choose one image to resize locally.

Step 1 of 2
Choose one image to resize locally.

Local processing

Runs inside your browser

Custom size

Pixels, percentage and fit controls

No upload

No upload route or public result URL

Simple process

How it works

  1. 1

    1

    Choose a JPG, PNG or WebP image from your device.

  2. 2

    2

    Enter custom pixel dimensions or choose percentage scaling.

  3. 3

    3

    Pick fit, position, background and output settings when needed.

  4. 4

    4

    Download the resized image generated locally in your browser.

Useful for

  • Website images that need custom pixel dimensions.
  • Profile or product images that need proportional scaling.
  • Email signatures and custom social layouts with specific sizes.

Limitations

  • Enlarging an image can reduce sharpness.
  • Cover mode can crop image edges when the requested shape differs.
  • Contain mode can add empty background space around the image.

Questions

Frequently asked questions

Yes. Choose pixel dimensions for an exact size or percentage scaling when you want a proportional change.

Leave aspect ratio locked. Piczilo recalculates the other dimension from the inspected source image.

Reducing size usually stays sharp, but enlarging an image may reduce sharpness because new detail cannot be created.

Cover fills the requested canvas and may crop edges, while contain keeps the whole image visible with background space if needed.

No. The selected image is resized locally in your browser and downloaded from your device.

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