PNG Lossless Optimizer

Strip extra PNG metadata losslessly to reduce size.

Drag & drop here, or click to select (PNG only)
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Overview

Strip extra PNG metadata losslessly to reduce file size without changing appearance.

How to use

  1. Drop/select PNG files.
  2. Review the list and export as ZIP.

Use cases

  • Lighten site‑wide PNG assets.
  • Clean up metadata for UI sprites.
  • Tidy archives before storage.

Tips & knowledge

  • Lossless: there is no visual degradation.
  • Transparency/alpha is preserved.
  • For even smaller files, consider converting to WebP/AVIF.