Image Resizer
Resize any image to exact pixel dimensions with aspect ratio lock. Runs locally.
🔒 100% private — runs in your browser⚡ Free forever🎯 No watermark
About this tool
Resize images to exact pixel dimensions online — batch-friendly, free, private.
Unlike most online tools, Image Resizer never uploads your files. Everything is processed locally on your device using modern browser APIs — your videos, audio and images stay private, and there are no file-size limits or queues.
Frequently asked questions
Yes — the lock keeps proportions automatically when you set the width.
Up to 8000×8000px output.
Only if you upscale beyond the original — downscaling looks identical or better.