Image resizer
Resize an image to exact pixel dimensions and download the result.
How to use the Image resizer
What does the Image resizer do?
Resize an image to exact pixel dimensions and download the result; It applies this page-specific rule: canvas resamples the source to the entered width and height before export.
Which inputs does this tool use?
To resize an image to exact pixel dimensions and download the result, enter Choose image, Output format, Quality, Width; keep every value in the same example; where available, choose between PNG, JPEG, WebP to match the required format; select Create file when the values are ready; Start with a familiar case covered by this rule - Unequal aspect ratios stretch the image; calculate matching dimensions first when proportions matter - so the expected result can confirm the settings.
How should the tool result be read?
For a result intended to resize an image to exact pixel dimensions and download the result, unequal aspect ratios stretch the image; calculate matching dimensions first when proportions matter; read width together with the original choose image rather than as an isolated answer, and confirm that its units or structure match the intended use.
What rule does Image resizer apply?
When the goal is to resize an image to exact pixel dimensions and download the result, unequal aspect ratios stretch the image; calculate matching dimensions first when proportions matter.
What should be checked after using Image resizer?
When using the page to resize an image to exact pixel dimensions and download the result, processing uses standard browser image APIs and requires no account.
Limits and accuracy
When using this tool to resize an image to exact pixel dimensions and download the result, processing uses standard browser image APIs and requires no account; keep the original file and inspect the downloaded result, since format support, transparency, detail, and file size can vary by browser and settings; keep choose image until the output has been checked in its intended destination.
How it works
Canvas resamples the source to the entered width and height before export.
Unequal aspect ratios stretch the image; calculate matching dimensions first when proportions matter.
Processing uses standard browser image APIs and requires no account. Large images can use significant memory, particularly on phones, so keep the original until the download has been checked.
Frequently asked questions
Is the image uploaded?
No. The selected file is decoded and processed locally in this browser tab.
Does conversion improve image quality?
No. A new format can improve compatibility or size, but it cannot recreate detail missing from the source.
Why might a format be unavailable?
Decoding and export support vary by browser. PNG and JPEG are broadly supported; newer or specialist formats may not be.