️ Eugene - CEO at SoftOrbits, Candidate of Technical Sciences, has more than 16 years of expertise in software development, photo and multimedia applications, enhancing and transforming digital images and videos.
📅 Last updated on:  2026-04-07

Use Batch Picture Resizer on Windows as an image size converter: shrink photos from MB to KB, batch compress JPEG/PNG/WebP, and keep originals safe in another folder.

Batch Picture Resizer Screenshot.

Batch Picture Resizer is a simple yet powerful MB-to-KB converter app for Windows—resize images to hit a target size in KB or MB without losing your originals.

  • Download and Install Image Size Reducer Software
  • Load Your Photos
  • Adjust the Compression Settings
  • Convert Your Photos from MB to KB
  • Save Your Resized Photos

Image Size Reducer Software

Photo Resizer lets you resize photos to exact dimensions in MB or KB, reducing file size so you have room on your drive or files that load fast on the web.

How to use the software to reduce image size in KB:

This tool can process images in bulk—a good fit for marketing and social workflows on a laptop. To use this kb converter, follow these steps:

Open the image size reducer software, and use the Add Folder, Add File, or Drag and Drop buttons to select images to process.

Add files..

Select the standard size and resolution of photos that you want.

Choose the size of image in KB..

Select any of the resizing options, for example, using predefined height, smart cropping, maintaining original image aspect ratio, or detecting the height and width of the image.

Choose the resizing options..

Then select the format you want for the output image.

Choose the format conversion..

Choose the folder where you want to save your output image and then hit Start.

Choose the destination folder..

Batch Picture Resizer Batch Picture Resizer

Batch Image Resizer is an easy, user-friendly tool that helps you resize multiple photos, convert, flip, mirror, or rotate them in batch mode.

   
 Download for Free

Features

  • The image resizer handles many image formats and converts them in one place. You can also change resolution in a few clicks. Supported formats include GIF, TIFF, RAW, HEIC, WebP, and other common types.
  • JPEG quality and advanced resizing: keep aspect ratio, tune compression, and reduce image size to MB or KB. Set destination dimensions and the tool compresses efficiently.
  • Batch image size reducer: process thousands of images in minutes using all CPU cores.
  • Target output by size in KB, MB, percent, centimeters, or inches.

Why would you need to reduce image size in KB?

  • Save space on your drive or in the cloud.
  • Publish images on a website with stronger Core Web Vitals.
  • Upload faster to social profiles.
  • Drop lighter images into presentations or slides.
   
 Download for Free

Batch Picture Resizer Batch Picture Resizer
Use Batch Picture Resizer on Windows as an image size converter: shrink photos from MB to KB, batch compress JPEG/PNG/WebP, and keep originals safe in another folder.
   
 Download for Free
Batch Picture Resizer Screenshot.


🙋Frequently Asked Questions

A KB reducer shrinks how many kilobytes (or megabytes) a file uses—usually by resizing dimensions, lowering JPEG quality, or converting to a more efficient format—so images upload faster and use less storage.

Gallery cropping often only changes the visible area. Dedicated photo size reducer software is built to target file size and dimensions in bulk, with clearer controls for width, height, compression, and output format.

It can be, if you get it from the official developer site or a trusted app store, scan with up-to-date security software, and avoid bundled installers from random download portals. Prefer apps that process files locally if privacy matters.

Yes, within limits: moderate compression and modest downsizing usually look fine. Aggressive “minimum KB” settings can add artifacts; good software lets you preview or compare before you save.

Look for batch processing, control over quality or target file size, support for JPEG/PNG/WebP, optional resize-by-pixels or percentage, and the ability to save to a new folder so originals stay untouched.

Video Guide

Change image resolution.