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Mac (PNG & JPG)

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1. Save img2webp.sh and place it in the same folder as your images to convert
2. Make sure to install brew install webp

Usage: ./img2webp.sh

Usage with optional quality parameter: ./img2webp.sh [QUALITY] - (quality 1-100, default: 100)

Example: ./img2webp.sh 80

If the script doesn’t run, update the permissions:

chmod +x img2webp.sh

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Windows (PNG)

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# Convert-PNG-to-WebP.ps1

1. Downloads cwebp (Google WebP tools)

2. Converts all PNGs to lossless WebP

3. Verifies every PNG has a matching WebP

How to use:

Place in the same folder as the pngs, run with powershell.

Tip: If double‑clicking doesn’t run due to execution policy, open the folder in Terminal and run:

Unblock-File -Path ".\Convert-PNG-to-WebP.ps1"

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