ESEN
Optimize without limits.

Compress images directly in your browser. No server uploads and no perceptible quality loss.

Upload your image here

Drag and drop your file, or click to browse.
Supports PNG, JPG, WEBP, AVIF, GIF • Max. 50MB (GIF: 10MB)

Or try with these samples

Your images never leave your device. 100% private processing.

Compress your images for free and without losing quality

Compress images and reduce their size up to 80% without losing quality. Ideal for fast websites, emails and saving space.

✓ No Limits ✓ 100% Free ✓ All Formats

How to reduce image file size and optimize for the web?

1. Upload your image

Drag and drop or select the images you want to process.

2. Adjust compression

Adjust the quality, format, or size according to your needs.

3. Download result

Get your optimized images ready to use instantly.

Compress Images in Any Format

Optimize your images without losing quality. Compatible with JPG, PNG, WebP, GIF, AVIF, and more.

JPG

Best for photographs and complex images with gradients.

Optimize JPG →

PNG

Perfect for logos, icons, and images needing transparency.

Reduce PNG →

WebP

Modern format with best compression for web performance.

Optimize WebP →

GIF

Reduce animated GIFs without losing frames or quality.

Compress GIF →

AVIF

Max compression and HDR support.

Optimize AVIF →

Frequently Asked Questions: Compress Image Online

What image formats can I compress online?
With OptimizeImg you can compress images in JPG, PNG, WebP and GIF formats directly from your browser. You can upload one or several images at the same time and reduce their size without losing visible quality. The process is completely online and requires no registration.
How much can I reduce the size of an image?
When compressing an image, you can reduce its size by 60% to 90%, depending on the original format and quality. For example, a 5MB photograph can be reduced to less than 500KB while maintaining excellent visual quality. This improves your website's loading speed.
Is it safe to compress images in OptimizeImg?
Yes. OptimizeImg is 100% safe because your images are never uploaded to an external server. All processing happens directly in your browser using WebAssembly technology. This guarantees total privacy and protection of your files.
How many images can I compress at once?
There is no limit to the quantity. You can compress multiple images simultaneously and download them in an optimized ZIP file. OptimizeImg works directly in your browser, so the only real limit is your device's memory.
Why is it important to optimize images for the web?
Optimizing images for the web reduces your page loading time, improves user experience, and helps with Google rankings. Faster sites get better SEO results and lower bounce rates. Reducing image weight is one of the most effective ways to speed up any website.

Why compress and optimize your images with OptimizeImg?

Our tool combines privacy, speed, and quality to offer you the best image optimization experience.

Super Easy

Intuitive interface designed to save you time. Drag, drop, and done.

No Real Limits

Process hundreds of images a day without restrictions. No artificial limits or hidden premium plans.

Professional Quality

High-fidelity results. Advanced algorithms that reduce file size without losing sharpness.

More Online Image Editing Tools

Discover all available tools to work with your images.

Compress Image Online

Optimize and reduce the size of your photos without losing quality.

Convert Image Format

Convert between JPG, PNG, WebP, AVIF and more formats.

Resize Image

Change photo size by pixels or percentage.

Crop Image

Crop parts of your image to improve framing.