Image Resizer
Resize images by pixels or percentage.
⤢Image Resizer
All processing happens locallyWhat this tool does
Image Resizer is a precise image scaling tool, images are processed on a local canvas and never uploaded, so both the original and the result stay on your device.
Pick a local image, process it on the page and download the result; JPG, PNG and WebP are supported.
How to use it
- Paste or type your content into the input field at the top, or press the sample button to load demo data.
- Adjust the options below the input, such as output format, separators, letter case or precision.
- Press the main button to run the conversion. Results appear instantly in the output panel without a page reload.
- When the result looks right, use the copy button in the corner, or download it as a local file.
Tips and notes
Clean up stray spaces and line breaks before pasting for more accurate results.
FAQ
No. Bitmap upscaling only interpolates pixels; the missing detail cannot be recovered without a higher resolution source.
Independent width and height changes stretch the image; locking keeps proportions intact automatically.
Yes. The tool is completely free with no usage limits, and you never need an account or a sign-in.
No. All processing runs locally in your browser, so the input never reaches a server and is never logged or stored.
Yes. The layout is mobile-first, so inputs and buttons stay comfortable on phones and tablets in both orientations.
Yes. A copy button in the output panel puts the result on your clipboard, and you can also download it as a text file.