Resize Image in KB
Pick your own KB goal and compress without a default limit, so you control the exact size.
Upload Your Image
Drag & drop or click to select your image (Max 20MB)
Supports JPG, PNG, GIF, WEBP formats
Custom KB Compression
Set a target size that matches your exact needs, from tiny badges to larger previews.
Custom KB Goal
Type any number in KB or MB. Dial in the exact limit you need for your workflow.
Adaptive Size Control
Balances quality and size to meet your target. Adjusts compression steps to avoid harsh artifacts.
Format Efficiency
Export in JPG or WebP for smaller files. WebP often saves more bytes than JPG.
Dimension Options
Resize by pixels or physical units. Aspect ratio lock keeps proportions stable.
No Upscaling
Never enlarges your image. It only reduces size or keeps the original file.
Local & Private
Runs in your browser only. No uploads, no waiting, and no data leaving your device.
Reduce by KB in 3 Steps
Upload, enter a target, and export a lighter file with your exact limit.
Upload an Image
Add a JPG, PNG, or WebP file. Large images are fine and will compress down.
Enter a Target
Set any KB or MB value you need. Adjust dimensions if you want more control.
Download
Save the resized file right away. If the original is smaller, it exports unchanged.
Reduce Image Size in KB
Set your own target and compress in seconds with clean, readable output.
FAQ for KB Compression
Answers to common questions about custom KB targets.
No, leave it blank or type your own size. This page is built for custom limits.
Yes, switch units to MB for larger targets. This is helpful for bigger previews.
The tool keeps the original size without extra compression. Your image stays unchanged.
Only when needed to reach the target. You can set exact dimensions if required.
WebP usually compresses better; JPG is widely compatible. Try both for the best balance.
No, metadata is removed. This keeps file size as small as possible.
Yes, everything stays in your browser. Your files never leave your device.
Yes, adjust the value and download again. You can iterate without re-uploading.
Yes, our image resizing tool is completely free to use. No registration required, no watermarks, and no hidden fees. Simply upload your image and resize it to your desired dimensions.
Absolutely! All image processing is done locally in your browser. Your images are never uploaded to our servers, ensuring complete privacy and security of your files.
Popular resize presets
Jump to the most commonly used image sizes for your projects