Image Compressor

Image Client-Side Privacy

Compress images with a quality slider and before/after size comparison.

Drop file here or click to browse

PNG, JPG, WebP — max 10MB

How to Use Image Compressor

Follow this simple step-by-step guide to get the most out of our free online Image Compressor:

  1. 1
    Drop a PNG, JPG or WebP image onto the dropzone, or click it to browse for one.
  2. 2
    Drag the Quality slider between 10 and 100 percent to trade file size against detail.
  3. 3
    Set the Max width slider to cap the output width in pixels, or leave it at 0 to keep the original.
  4. 4
    Choose JPEG or WebP as the output format and press Re-compress to apply your settings.
  5. 5
    Compare the original and compressed previews, then use the download button above the result.

Key Features & Capabilities

Zero Uploads

Execution occurs 100% locally in your browser memory for maximum privacy.

Instant Latency

Zero network lag or server queues — get results instantaneously as you type.

Quick Export

One-click copy to clipboard or instant file download options built right in.

Technical Specifications & Privacy Guarantee

At utilitiestools.net, privacy and data security are core design principles. When using Image Compressor, your inputs are parsed and processed locally via client-side JavaScript execution engine. No plain text, uploaded media, or API tokens are transmitted over the internet or logged into remote server infrastructure.

Common Practical Use Cases

  • Blog Publishing: drop a 4 MB camera photo in, pull quality to 70 and cap width at 1600px before uploading it to a post.
  • Email Newsletters: shrink a hero banner until the reported output size fits comfortably under a mail client's inline limit.
  • Frontend Performance: compare a JPEG and WebP encode of the same asset at matching quality to decide which to ship.
  • Support Tickets: reduce a large screenshot so it attaches to a ticket without the tracker rejecting the file.

Frequently Asked Questions

JPEG and WebP. Both are lossy re-encodes driven by the quality slider, which runs from 10 to 100 and is passed straight to the canvas encoder.