Reduce image size in kb or mb online free

To compress or reduce image size to 20 kb, 50 kb, 100 kb, 1mb or any size you want, just provide your photo & requirement, wait a moment for processing, then just download it.

We're excited to release a new version. Please note that, we will stop supporting the this version after June, 2023. Meanwhile, try to adapt withour latest version

If you have any feedback, please send using thisForm

or drag and drop

up to 15 MB

or try with a sample photo

Your Requirements

Use change button to modify any property according to your requirement. Ignore all other properties.

Max File Size
Width Height
Choose JPG or JPEG format to enable Width X Height option.

How to use

Upload photo

First upload a image file. Upon upload our compress adjustment page will open automatically.

Adjust & confirm preview

Then put your compress image requirements in kb or mb. Check the preview and if needed fix photo using rotate, mirror, crop & fix ratio. After you are satisfied click download button.


After clicking download button, our server will start processing the image according to your requirements. After process, download will start automatically.

Image size reducer tool

The online image size reducer tool by ImResizer is free to use tool that enables you the opportunity to compress any picture according to your desired size in kb or mb.

One of the biggest obstacles we face with emailing, any official documentation, or uploading is the large image files. They can take a long time to upload or download on either the device or the webserver. Keeping that in mind, many websites require you to send or upload Images within a specific size limit. And that is exactly where this tool’s ability to compress image in kb or mb comes into play.

On top of that, this image size reducer tool is completely free to use and does not require any form of offline download for you to access. No need to download any third-party software to compress image in kb or mb. All you need to do is use this Image size reducer tool on the go with any internet browser on your device (PC, android, iphone or tablets) and you will be able to reduce image sizes in a matter of seconds.

Why use this image size reducer tool?

Compared to other image compression tools this tool is unique & intelligent. This tool can reduce image size in kb or mb in 2 ways, either by changing dimension or by changing quality. Target of this compress tool is to give users best quality photo after compression. So based on user inputs it decides which compression method to choose. If user have dimension (width & height) requirements, then it tries to compress image by changing quality. Otherwise it tries to compress image by changing dimension, as it produces best quality photo and also ensures the image size is within the required kb or mb.

This image compress tool is able to reduce image size in kb or mb.

How to use this Image size reducer tool?

  • At first, input your requirement. In the Max File Size section, click on change. In the pop-up menu, you can adjust your new max file size of the image. You can also choose your desired file size in kb or mb. Ignore all the other sections that you don't want to change.
  • Then choose the image file you want to upload from the fixed location of your computer or smart device. Upload the image file. You can either choose to use the upload a file button on the website or drag and drop the image (up to 10 MB).
  • Once the image is uploaded You preview page will open automatically. It comes with some adjustment tools (eg: rotate, crop, fix ratio). When you are satisfied with your adjustment, click on download.
  • Download will start automatically after process finished. After download finished you can still change your requirement. Just click the change button from info section. Then you will be able to put your new compress requirement in kb or mb.


Intelligent image compression!

This tool can compress image to required kb or mb in 2 ways. Either by changing quality or by changing dimension. The way is decided based on user input.

Real-time image preview

Watch the real-time preview of all the changes (rotate, crop, fix ratio) you have made to your image before downloading

Multiple image formats supported

We currently support these image formats for compression: JPG, JPEG, PNG, GIF. We plan to add more formats in future.

We keep your images safe!

We don't collect any data from you & will automatically delete your photo after 30 minutes of upload

All platform supported!

This tool runs on any web browser. So, you can use it PC, android, iphone or tablets.

Configuration sharing

From download page you can share your configuration. If you or your friend use that link then your compress image requirements is also shared.

Frequently asked questions