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What are some image compression tools for both Mac and Windows users that are web-based?

TL;DR
  • Use web-based tools like TinyPNG, Squoosh, and Kraken.io to compress images in formats like PNG and JPG directly in-browser.
  • These platforms support batch uploads, retain quality, and work cross-platform without needing software installation.

If you're looking for cross-platform image compression tools, several web-based services can help you efficiently reduce image file size without installing software.

1. TinyPNG / TinyJPG

  • Website: https://tinypng.com and https://tinyjpg.com
  • Supports PNG and JPG formats.
  • Drag-and-drop interface and automatic compression.
  • Compresses up to 20 images at once (max 5MB each in free version).
  • Retains decent image quality while reducing file size significantly.

2. Squoosh

  • Website: https://squoosh.app
  • Developed by Google.
  • Supports JPG, PNG, WebP, AVIF, and more.
  • Offers advanced controls (e.g., quality, resize, color reduction).
  • Compression happens entirely in-browser—no data is uploaded to servers.

3. ImageResize.org – Compress Image Tool

4. Kraken.io Web Interface

  • Website: https://kraken.io/web-interface
  • Supports JPG, PNG, GIF, SVG.
  • Offers lossless, lossy, and expert mode compression.
  • Free version has daily limits; full power available via paid plan.

5. CompressJPEG / CompressPNG

Summary

Use TinyPNG, Squoosh, or Kraken.io for reliable and high-quality image compression directly in your web browser. Each tool works on both Mac and Windows across all modern browsers without requiring installations.

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