Online Image Size Reducer

📉 Reduce Image File Size (KB/MB)

Compress your images securely in your browser to reduce file size without losing too much quality.

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1. Select Output Format

📉 Free Online Image Size Reducer: Compress JPG & PNG Files

Welcome to the ultimate solution for optimizing your digital images. Our **Online Image Size Reducer** is a powerful, client-side tool designed to dramatically **reduce the file size (KB/MB)** of your photos and graphics without compromising crucial visual quality.

Why Use Our Image Compression Tool?

Large image files slow down websites, drain bandwidth, and frustrate users. Whether you're a web developer, a blogger, or just need to compress a batch of photos for email, our tool provides an instant, secure solution.

Maximum Security (Client-Side): Unlike server-based tools, all **image compression** and processing occur directly in your web browser. Your images are never uploaded or stored, ensuring 100% privacy.

Precise JPEG Quality Control: Use the dedicated compression slider to set the exact **JPEG quality** from 10% to 100%. Watch the estimated file size update in real-time, allowing you to hit specific KB targets effortlessly.

Effective File Size Reduction: Easily transform multi-megabyte images into highly optimized files often **under 100 KB** for improved web performance.

Simple Two-Stage Workflow: Upload your image, instantly view its original dimensions and file size, adjust the quality, and download the compressed result—all in two easy steps.

Support for Key Formats: Seamlessly handle and output popular formats like **JPG (.jpg)** and **PNG (.png)** for universal compatibility.

Understanding Image Compression and Quality

Image compression, especially for **JPEG file size reduction**, involves removing redundant visual data. While lower quality settings yield the smallest files, they introduce compression artifacts. We recommend aiming for a quality setting between 60% and 75% to achieve a balance between a low **MB to KB file size reduction** and high visual fidelity.

Start optimizing your image files today. Achieve lightning-fast load times and save storage space with our free **Image Size Reducer**.