Image tool
Image Resizer
Enter a width and height to resize images proportionally, in batches.
Free｜No sign-up｜Files stay on your device
Drop files here, or click to choose
Files are processed on your device and never uploaded
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Support us／Ko-fiAbout Image Resizer
Many platforms require exact sizes: 400×400 avatars, 1640×624 Facebook covers, 1280×720 YouTube thumbnails. Resizing by hand often distorts the image.
With “Keep aspect ratio” on, just enter the width and the height is calculated for you. Turn it off when you need exact dimensions.
Great for
- ・Profile pictures and cover photos
- ・1280×720 YouTube thumbnails
- ・Consistent product image sizes
How to use
- 01Choose one or more images.
- 02Enter the target width (the height is calculated automatically when “Keep aspect ratio” is on).
- 03Click “Resize” and download each image.
Why use it
Private by design
Everything runs locally in your browser. Nothing passes through a server.
Instant
No software to download and no account to create.
Works everywhere
Desktop, phone, or tablet — any modern browser.
Free forever
No watermarks and no usage limits.
Frequently asked questions
Will enlarging an image make it sharper?
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No. Enlarging only interpolates pixels and can look blurry; shrinking keeps images sharp.
What format is the output?
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The same as the original — PNG, WebP or JPG.
Is this tool free? Do I need an account?
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It's completely free. There's no sign-up, no login and no usage limit.
Are my files and data safe?
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Everything is processed inside your browser. Your files are never uploaded to our servers and disappear when you close the page.
Does it work on my phone?
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Yes. The page is fully responsive and works in current versions of Chrome, Safari and Edge on iPhone, Android and tablets.
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