Quick answer: To resize an image online, open a browser-based resizer, enter the exact width and height (or a percentage), and download the resized file. VeloApply's free image resizer runs locally in your browser — no upload, no signup, no watermark.
Need an image at an exact size — a profile photo, a thumbnail, or a picture that fits an upload limit? Resizing changes the pixel dimensions of your image. Here's how to resize an image online for free without uploading it anywhere.
Resize vs. compress — what's the difference?
Resizing changes the dimensions (width × height in pixels). Compressing reduces file size without changing dimensions. Often you'll do both: resize to the size you need, then compress for the web.
How to resize an image (step by step)
1. Open the Resize Image tool.
2. Add your image — the current width and height appear automatically.
3. Enter a new width or height. Keep Lock ratio checked to avoid stretching.
4. Click Resize image and download the new version.
Tips for resizing without distortion
Always keep the aspect ratio locked unless you specifically need to stretch the image. To make an image smaller, reduce the pixel width — enlarging beyond the original size can look blurry. Everything runs in your browser, so your image stays private.
Resize your image now — free
Set custom width and height in your browser. Private, no upload, no watermark.
Open the tool →More free tools: compress an image, convert image format.