Image Quality Compressor

80%

Lower quality = smaller file

Drop images here, or click to select files

Supports JPG, PNG, WebP formats, adjustable quality for compression

About Image Quality Compressor

Product Introduction

Image Quality Compressor is a free online tool that effectively reduces file size by adjusting output quality. Supports JPG, PNG, and WebP formats with adjustable quality from 1% to 100%. All processing is done locally in your browser without uploading files to any server.

Features

  • Free batch image compression, supports JPG/PNG/WebP
  • Adjustable output quality (1%-100%) for flexible file size control
  • Real-time display of file size comparison before and after compression
  • Automatic compression ratio percentage calculation
  • Support single download and batch ZIP download
  • Browser-based processing, files never uploaded to servers
  • No software installation required, just open the webpage

How to Use

  1. 1Drag images to the upload area, or click to select files
  2. 2Adjust output quality via slider (default 80%)
  3. 3System automatically starts compression and displays results
  4. 4Preview compression results for each image
  5. 5Click download button on individual image to save it
  6. 6Click batch download to pack all images into a ZIP file

FAQ

Will quality drop noticeably?
Moderate compression (70%-85% quality) barely visible, only over-compression noticeable.
Maximum compression?
Extreme cases 90%+, recommended 60%-80% for balanced range.
What formats supported?
JPG, PNG, WebP, etc., mixed batch compression supported.
Does compression change dimensions?
No, only file size compressed, pixel dimensions unchanged.
Is there a batch limit?
No strict limit, browser memory constrained, recommended <50 per batch.

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