Free Image Resizer – Change Image Dimensions Online

Reducing image size (making smaller) maintains quality perfectly. Enlarging beyond original size will reduce quality because new pixels must be invented. Always resize down from a larger source for best results.

Instagram square post: 1080x1080px. Portrait: 1080x1350px. Landscape: 1080x566px. Story and Reels: 1080x1920px. Use the Instagram preset in our resizer for one-click sizing so your photos fill the frame correctly without awkward cropping or quality loss when uploaded.

Upload your image, set your target dimensions, then enter your desired file size (e.g., 50 or 100) in the Target File Size field. The tool will automatically compress the image to fit within that size limit while maintaining the best possible quality.

Resizing changes the pixel dimensions — the actual width and height of the image. Compression reduces file size by lowering quality without changing dimensions. To hit a strict KB limit you often need both: resize to sensible dimensions, then compress. This resizer does both in one step when you set a target file size.

Helperzy Image Resizer mein apni image upload karo, width aur height pixels mein daalo ya preset select karo (Instagram, Passport, etc.), aur Resize & Download dabao. Turant download ho jayega — bilkul free.

Yes. Enter your target size in KB in the 'Target File Size' field. The tool resizes to your dimensions first, then compresses using binary search to hit your exact target size. Works for JPEG and WebP formats.

Yes. Upload multiple images, set your target dimensions once, and click Resize All. Every image is resized to the same dimensions and downloaded together as a single ZIP file, which saves a lot of time when preparing a batch of photos for a website, gallery, or product catalog.

No. The output format stays the same as your input — a JPG stays a JPG and a PNG stays a PNG — unless you choose to convert it with our separate format converter tool. This keeps things predictable, so resizing only changes the dimensions (and file size) while leaving the format untouched.

Keep the aspect ratio lock enabled. With it on, entering one dimension auto-calculates the other to preserve proportions. Only unlock it when you deliberately need exact, non-proportional dimensions — otherwise the image can appear stretched horizontally or squashed vertically.