Resize Image Online
Drop an image here or click to browse
Files stay on your device — nothing is uploaded to a server
How to resize an image for forms, social, and email
Many uploads reject oversized photos even when the file weight is fine. Resizing to a sensible pixel width — often 1200–1600px on the long edge — makes forms happier and emails lighter without opening desktop software.
Upload an image, confirm the suggested dimensions, and adjust width or height as needed. With aspect ratio locked, the other side stays proportional. Click Resize again after changing numbers, then download the result.
For Instagram-style crops you may still need to crop composition separately; this tool focuses on pixel dimensions. Pair it with the JPEG compressor when a portal also enforces a kilobyte limit.
Frequently asked questions
- Can I keep the original aspect ratio?
- Yes. Lock aspect ratio is on by default. Changing width updates height automatically, and the reverse.
- What formats are supported?
- PNG, JPEG, and WebP inputs work in modern browsers. Output matches PNG for PNG sources and JPEG for typical photo uploads.
- Does resizing upload my file?
- No. Dimensions are applied with the Canvas API on your device. Nothing is sent to ImgKit servers for this workflow.
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