Select Your Image
or drag & drop here
🔒 Secure Upload
JPG · PNG · WEBP
Max 20 MB
Compress & Resize Image to KB Free
Image Resizer AI makes it simple to resize an image to a specific KB without any desktop software. Whether you need to reduce a photo for email, WhatsApp, or an online form with a strict file-size limit, just set your target KB and let the tool handle the rest. You can also resize PNG images, resize JPG images, adjust a JPEG photo, or resize WEBP images — all in the same tool, completely free.
Frequently Asked Questions
Yes — enter your target file size in KB and the tool will compress your image as close to that size as possible using smart binary-search compression.
JPG, JPEG, PNG, and WEBP are all supported. Upload any of these and download the compressed version instantly.
Minor compression rarely affects visible quality. Heavy reduction to very small KB targets may reduce sharpness slightly, but the tool always aims for the best quality at your chosen size.
You can upload images up to 5 MB. For most photos and graphics, this covers virtually all everyday use cases.
Completely safe. Your image is processed entirely inside your browser and is never uploaded to any server.
Yes — this is one of the most common uses. Set your target KB to match the platform limit and download a perfectly sized image instantly.