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Image Tool
Image Resizer
Resize images by pixels, percentage, or common upload presets.
About this tool
What is Image Resizer?
Image Resizer changes the dimensions of a picture by pixels or percentage, or with a ready-made preset. Use it when a form asks for an exact width and height, when you want a smaller image for a document, or when you need a social media size. It runs entirely in your browser.
Useful when you need to
- Match the exact pixel size an application form asks for
- Shrink a large phone photo before attaching it
- Create a square or portrait image for social media
- Scale a screenshot to fit in a slide
How to use
How to use Image Resizer
01 02 Pick a size
Enter width and height in pixels, set a percentage, or tap a preset such as 1920 by 1080, 1280 by 720, 1080 square or 1080 by 1350.
03 Keep the shape
Leave maintain aspect ratio on to avoid stretching. Turn it off only when you need an exact size.
04 Resize and download
Create the new image and download it.
Tips
Get better results
- Resize down rather than up. Enlarging a small picture makes it blurry.
- If the portal gives only a file-size limit, resize first, then compress.
- Keep your original in case you need a different size later.
FAQ
Frequently asked questions
Will resizing distort my photo?
Not if maintain aspect ratio is on. The shape is preserved.
Can I enlarge a small image?
You can, but it will look soft because no new detail is created.
What formats are supported?
Common browser image formats such as JPG and PNG.
Is the image uploaded?
No. Resizing happens in your browser.