How to Resize an Image to an Exact Size (Free, No Quality Loss)
Need a photo at exactly 1080×1080 for Instagram, a specific pixel size for a website upload, or a passport-photo dimension? Resizing an image to an exact size takes seconds — for free and right in your browser. This guide shows you how, and explains the difference between resizing, cropping and compressing so you pick the right tool.
Resize vs crop vs compress — what's the difference?
- Resize changes the dimensions of the whole image (e.g. 4000×3000 → 1080×1080). Nothing is cut — the entire picture is scaled.
- Crop cuts away part of the image and keeps a region.
- Compress lowers the file size (KB/MB) while keeping the same dimensions.
If a site asks for "1080×1080" or "max 600×600", you need resize.
Steps: resize an image to an exact size
1. Open the Resize Image tool
Go to Confileo's Resize Image tool — free, no signup, and everything runs in your browser, so your photo never leaves your device.
2. Upload your image
Drag and drop a JPG, PNG or WebP, or click to choose it. The original dimensions are shown so you know your starting point.
3. Enter the new width and height
Type the exact pixels you need (for example 1080 × 1080), pick a percentage, or tap a ready preset like Instagram Post or Passport Photo. Keep the lock on to preserve the aspect ratio so the image isn't stretched.
4. Download the resized image
Choose the output format and quality, then download. The result is sharp because downscaling is done in steps that preserve detail.
Common exact sizes people need
- Instagram post: 1080 × 1080
- Instagram story / reels: 1080 × 1920
- YouTube thumbnail: 1280 × 720
- Facebook cover: 820 × 312
- Passport / ID photo: often 600 × 600
Will resizing reduce quality?
Downscaling keeps images crisp, and you control the output quality. Enlarging a small image can soften it, but high-quality smoothing keeps it as clean as possible. Your original file is never changed — you always download a new copy.
Resize, then shrink the file too
If a form also caps the file size, resize first, then run the result through Compress Image to get it under the limit. To cut part of the photo instead, use Crop Image.
Ready? Resize your image now →