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THE APPLICATION TOOLKIT / IMAGE 01

Make the size fit.
Keep the detail.

Compress to a file-size limit, then review the result.

Private by design

Your image is processed in this browser, not uploaded by this tool.

YOUR WORKSPACE

Image KB Compressor

Works on your device
Choose your image

or drag and drop it here

JPG, PNG or WebP · maximum 20 MB (not a minimum)
Up to 8,000 pixels per side and 24 megapixels

01

Choose your settings

Convert only, or compress to a file-size limit.

KB
1 KB = 1,000 bytes. We aim at or below your maximum.
KB
px
px
With fixed dimensions, the image is fitted inside the frame without stretching. Empty space is padded.

The image tool has not started. Check that the updated script.js is in the main project folder and open the site with Live Server.

A LITTLE HELP ALONG THE WAY

A better fit, in three steps.

For job applications, school forms, and everyday uploads.

01

Choose an image

Select a JPG, PNG, or WebP image from your device. Your original file remains unchanged.

02

Choose your settings

For conversion, choose a format. For compression, set the size limits and optional dimensions.

03

Review and download

Check the final size and image quality. Only your application portal can confirm acceptance.

What compression does

The diagram represents a smaller file, not a specific result.

Illustration of compressionA sample picture on the left and a similar picture on the right with smaller file-size bars. Actual image quality and file sizes vary.BEFOREAFTER
Your actual file size and visual quality depend on the image and settings. Output can remain above the limit; check the result before downloading.

For demonstration purposes only. These illustrations are not official requirements.

Good to know

Will the output be exactly the size I enter?

Not necessarily. The tool aims to produce a file at or below your maximum. If you set a minimum, it also checks that limit. Some combinations cannot be achieved, and the result will say so.

What happens if my image cannot fit?

You can still preview the closest result, but it may be outside your limits. Try a larger maximum, a different format, or smaller dimensions if your application permits them. Fixed dimensions are never silently changed.

What does convert-only mode do?

It re-encodes the image to JPG, PNG, or WebP without changing its displayed pixel dimensions or requiring a size target. JPEG replaces transparent areas with white. Re-encoding may remove metadata and affect quality. File size may increase.

Which format should I choose?

Use the format required by your application. JPG usually works well for photographs; PNG can preserve transparency but may be harder to fit into a small size. Browser support for WebP output varies.

Does my image leave my device?

This tool reads and processes the file in your browser and does not upload it. If this site later adds analytics, ads, or other services, their data practices must be disclosed separately.