Free Image ResizerPrivate

Image Compressor

Compress JPG, PNG, and WebP images to make file size smaller without sacrificing clarity.

Drop your images here, or browse

Supports JPG, PNG, WebP, SVG, GIF, BMP, HEIC • Multi-file batch support • 100% Client-side privacy

Defensive Memory SafeZero Uploads

100% Private & Browser-Side

Your files never leave your device. All image processing happens locally inside your web browser.

Lightning Fast Performance

Zero upload or download server lag. Instant canvas rendering powered by Web APIs.

Zero Registration Required

No email address, no account signups, no paywalls. Free and unlimited usage forever.

High Visual Quality

Advanced multi-step canvas scaling algorithms ensure crisp text and sharp pixels.

How Image Compressor Works

  1. 1

    Upload Photos

    Select single or multiple photos to compress.

  2. 2

    Adjust Quality

    Use the quality slider or set target KB thresholds.

  3. 3

    Compare & Download

    Inspect before/after reduction metrics and download.

Technical Overview & Format Specifications

Lossy vs Lossless Compression

Adjust compression ratios from 1% to 100% to balance file size reduction against visual fidelity.

Real-time Reduction Badges

Shows exact percentage reduction (e.g. -65% Saved) after rendering.

Practical Use Cases

Page Speed Optimization

Compress web images to improve Google Lighthouse and Core Web Vitals performance.

Storage Management

Reduce disk footprint by compressing large photo archives.

Optimization Best Practices

  • Target 80-90% Quality: Setting quality between 80% and 90% reduces file size by 50-70% with zero noticeable human visual quality difference.

Frequently Asked Questions

Everything you need to know about resizing, compressing, and converting images for free.

How much file size can I save with image compression?

Most JPEG and PNG images can be reduced by 50% to 80% without noticeable degradation in visual quality.