Image Compressor

Shrink image file size by adjusting quality, entirely in your browser.

Click or drag image here

or Browse Files on your device

Supports PNG, JPG, WebP, GIF, etc.
75%
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About Image Compressor

The Toolbox Online Image Compressor compresses PNG, JPEG, WebP, and AVIF images directly in your browser. Reduce file size by up to 90% without compromising visual clarity or resolution.

100% Client-Side Privacy Guarantee. Data never leaves your browser.
How to Use Image Compressor
  1. 1Upload an image (PNG, JPG, WebP) into the compressor zone.
  2. 2Adjust compression quality slider (1% to 100%) or change export format.
  3. 3Inspect live file size reduction percentage and visual preview.
  4. 4Click Download Image to save your optimized lightweight graphic.

Key Features & Capabilities

Browser Canvas Processing

Compression happens in client-side HTML5 canvas memory. Zero images uploaded to external servers.

Multi-Format Export

Convert bulky PNGs into lightweight WebP or JPEG formats to save bandwith.

Real-Time Size Calculation

Compare original vs compressed file sizes instantly as you adjust quality sliders.

Batch Efficiency

Fast hardware-accelerated image scaling for website optimization and SEO speed gains.

Frequently Asked Questions (FAQ)

No. The compressor reduces file byte size by adjusting image encoding quality and metadata while preserving original pixel width and height.