Does it stretch the image?

Only if you unlock the ratio and enter both numbers. With the lock on, the other side is calculated for you.

Downscaling stays sharp; enlarging is interpolation and adds no new detail — use the upscaler page if that is what you need.

Is my image uploaded?

No — the scaling happens on a canvas in your browser.

Format converter / All converters / Image scaler

Image scaler

Set an exact width, height or percentage — lock the ratio and the other side follows.

Drop a file here, or click to choose image/* · nothing is uploaded

Pick a file to start.

The converted preview appears here.

Width (px) Height (px)

Or percentage Output Keep aspect ratio

Resizing is the most common image edit after cropping: a form wants 800 px wide, a social post wants half size, a thumbnail wants 25%. This page takes the numbers literally, keeps transparency, and warns before it builds a canvas too large for the browser.

How to use it

Step 1. Drop an image

Step 2. Type a width, a height or pick a percentage

Step 3. Download the resized file

Questions

Does it stretch the image?: Only if you unlock the ratio and enter both numbers. With the lock on, the other side is calculated for you.
Is the quality kept?: Downscaling stays sharp; enlarging is interpolation and adds no new detail — use the upscaler page if that is what you need.
Is my image uploaded?: No — the scaling happens on a canvas in your browser.

Other converters

Image upscalerEnlarge 2× to 4× with interpolation Poster print tilerSplit an image across A4 pages Resize to specPresets for shops and social