Image Resizer
Resize images by pixels or percentage.
100% private — runs in your browser, nothing is uploaded.
Click to upload, drag & drop, or paste
PNG, JPG, WebP or GIF
Ctrl+Vto paste from clipboard
How to use the Image Resizer
- 1Upload an image
Click the box or drag and drop a PNG, JPG, WebP or GIF file.
- 2Set the new size
Enter a width or height in pixels, or click a percentage preset to scale down.
- 3Keep proportions
Leave “Lock aspect ratio” on so the image is not stretched.
- 4Download
Click Download to save the resized image to your device.
Examples
| Input | Output |
|---|---|
4000×3000 photo → 50% | 2000×1500 |
Set width 800 (locked) | Height auto-adjusts |
Free online image resizer
This image resizer changes the pixel dimensions of any image — down to a thumbnail or up to a specific size — right in your browser. It is perfect for profile pictures, website images, email attachments and upload limits.
Why resize an image?
- Meet exact dimension requirements for a website, avatar or form.
- Reduce a huge camera photo to a web-friendly size.
- Fit an image under an upload size limit.
- Create consistent sizes for a gallery or thumbnails.
Private and instant
Because the resizing runs on the HTML canvas inside your browser, nothing is uploaded to a server — a real advantage for private or sensitive images. Keep the aspect ratio locked to avoid distortion, and if you also need a smaller file at the same size, pair this with the image compressor.
Frequently Asked Questions
How do I resize an image?
Upload an image, then type a new width or height in pixels — or click 25%, 50% or 75% to scale down. Keep “Lock aspect ratio” ticked to avoid stretching, then download.
Will resizing distort my image?
Not if you keep the aspect ratio locked, which is the default. The tool then adjusts the other dimension automatically so the proportions stay correct.
Are my images uploaded to a server?
No. Resizing happens entirely in your browser using the HTML canvas. Your image never leaves your device, so it is completely private and works offline.
Can I make an image larger?
Yes, but enlarging beyond the original size can look soft or pixelated, because there is no extra detail to add. Resizing down keeps quality best.
Which formats are supported?
You can resize PNG, JPG, WebP and GIF images. PNG transparency is preserved; JPGs are re-encoded at high quality.
Does it keep the file small?
Resizing to smaller dimensions usually reduces the file size. To squeeze the file further at the same dimensions, use the image compressor.