Image Resizer
Resize JPG, PNG, or WebP images to any width and height. Lock the aspect ratio, preview the result, and download instantly. 100% browser-based — your image never leaves your device.
🔒100% Private — Images processed locally in your browser
🖼️
Drop an image here
or click to upload
PNG, JPG, WebP • Max 50MB
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How to Resize an Image
1️⃣
Upload your image
Drag and drop or click to select a PNG, JPG, or WebP file from your device.
2️⃣
Set new dimensions
Enter a target width and height, use a percentage, or pick a common size. Lock the aspect ratio to keep proportions.
3️⃣
Download
Preview the result, choose PNG or JPG, and download the resized image instantly.
Why Use This Image Resizer?
🔒
Fully Private
Everything runs in your browser. Your images are never uploaded to any server.
⚡
Instant & Free
No signup, no watermark, no limits. Resize as many images as you like.
📐
Precise Control
Resize by exact pixels, percentage, or common presets — with optional aspect-ratio lock.
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Frequently Asked Questions
How do I resize an image?
Upload your image, then enter a new width and height in pixels. You can also scale by a percentage (like 50%) or pick a common size preset. Keep "Lock aspect ratio" enabled so the image keeps its proportions, then click "Resize Image" and download the result.
Does this tool upload my image?
No. All resizing happens directly in your browser using the HTML canvas. Your image never leaves your device and is never sent to a server, so your files stay completely private.
Which image formats are supported?
You can resize JPG/JPEG, PNG, and WebP images. You can download the resized result as either PNG (lossless, supports transparency) or JPG (smaller file size for photos).
Will resizing reduce the quality of my image?
Making an image smaller keeps it looking sharp. Enlarging an image beyond its original dimensions can make it look soft or blurry, since there is no extra detail to add. This resizer uses high-quality smoothing to get the best possible result, and for JPG output you can control the quality directly.