About resizing images online
An image resizer changes the pixel dimensions of a picture — to make it smaller for faster loading and email, or to fit an exact size for a profile photo, thumbnail, banner or marketplace listing. This tool resizes a single image or a whole batch directly in your browser: pick how you want to resize, watch the result preview update with its new dimensions and file size, optionally change the format, and download. Because it runs locally, your images are never uploaded.
How Image Resize works
How to resize an image
- Add your image(s). Drag and drop, or click Add Image(s) — one photo or many.
- Choose how to resize. Pick Percentage to scale, Max width or Max height to fit a dimension while keeping the aspect ratio, or Exact W×H for precise control.
- Pick a format and download. Keep or change the format (PNG, JPG or WebP), then download each result or grab the whole batch as a ZIP.
Resize one image or a whole batch
Need a single 800-pixel-wide blog image? Drop it and set the width. Resizing 200 product photos to the same size? Drop them all — the same setting applies to every image and each appears as a card showing its new dimensions and exact file size, so you can confirm the result before downloading.
Resize modes explained
| Mode | What it does | Best for |
|---|---|---|
| Percentage | Scales by a percentage of the original | Making everything proportionally smaller |
| Max width | Sets the width; height follows the ratio | Fitting a content column or feed |
| Max height | Sets the height; width follows the ratio | Rows of equal-height images |
| Exact W×H | Forces precise dimensions | Avatars, icons, fixed-size slots |
Will resizing reduce quality?
Making an image smaller is clean and usually looks great. Enlarging beyond the original size can look soft, because there is no extra detail to add. For lossy formats (JPG, WebP) you can also adjust quality to balance sharpness against file size.
Is it private?
Yes — resizing happens entirely in your browser with the canvas engine. Your images are never uploaded and the tool works offline.
Common uses
- Resize photos to fit social media or marketplace size rules
- Bulk-resize a folder of product images to one width
- Shrink large photos so they email and upload faster
- Create exact-size avatars, thumbnails and icons
- Scale screenshots down for documents and blog posts
- Standardise image dimensions across a website
- Reduce image file size to save storage and bandwidth
- Prepare correctly-sized banners and hero images