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Image Compressor

Reduce image file size by up to 90% with adjustable quality, format conversion, and optional resize. Drag-and-drop interface with side-by-side before/after preview. Runs 100% in your browser — your image never leaves your device.

100% client-side · no data leaves your browser

How to compress an image online

Reduce image file size in seconds without uploading.

  1. 1

    Drop your image

    Drag an image into the drop zone or click to choose a JPEG, PNG, WebP, or GIF file.

  2. 2

    Adjust quality and format

    Drag the quality slider, pick an output format, and optionally limit the max width — the preview updates live.

  3. 3

    Download the compressed image

    Click Download to save the smaller image to your device with a smart filename.