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Resize Image in KB Online - Exact Target File Size

Compress and reduce your photo to any custom Kilobyte (KB) size target.

Size Settings

Scale Percentage
Popular Presets:

Quality & Format

Image Quality

PNG uses lossless compression (quality slider is not needed).

Turbo Batch Engine Included

Process 1 to 50 photos simultaneously. Download as individual files or bundle all in 1 single ZIP archive.

How to Resize Image in KB (Step-by-Step)

1

Upload Your Photo

Click "Select Images" or drag and drop your photo into the workspace box.

2

Adjust Specifications

The settings are pre-calibrated for Resize Image in KB. Fine-tune if necessary.

3

Inspect & Download

Click "Resize Images Now", inspect the result on the comparison slider, and download instantly.

Target exact file size requirements with millimeter precision. Our smart binary search algorithm reduces file weight while preserving edge sharpness and color vibrancy.

Frequently Asked Questions

The tool uses an intelligent iterative compression algorithm in your browser to hit your requested KB size within a ±2% accuracy margin.
Yes! Enter 20 or 50 in the KB input box. If quality optimization alone cannot reach your target, the engine gracefully scales dimensions to ensure your file strictly meets the limit.
Yes, you can upload JPG, PNG, WebP, or GIF. For target KB reduction, the output is saved as optimized JPG or WebP.

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