image99.online

Reduce Image File Size

Compress your images to the perfect size in KB. Ideal for web pages, email attachments, and online forms.

Drag & Drop Your Image Here

or

How To Reduce Image Size?

Upload Your Image

Click "Browse File" or drag and drop your JPG, PNG, or WEBP image.

Adjust Quality

Use the slider to select your desired compression level. Lower = smaller file.

Compress & Download

Click "Compress Image", then download your optimized image.

Key Features

Smart Compression

Reduces file size while preserving the best possible quality.

Fast & Simple

One slider. One click. Done in seconds.

Secure & Private

All processing is done in your browser.

Frequently Asked Questions

What does compressing an image do?

It re-encodes the image with fewer bytes while keeping it visually similar.

What is the difference between resizing and compressing?

Resizing changes pixel dimensions; compressing changes how the pixels are encoded.

What quality level should I choose?

Start around 80%. If you need smaller sizes, lower it gradually.

Does this tool work with PNG images?

Yes. If transparency is detected, output will be WebP to keep transparency.