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scripts/webp.sh

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+#!/bin/bash
+
+# PNG to WebP conversion script with quality set to 80%
+# Usage: ./png_to_webp.sh [folder_path]
+
+# Check if folder argument is provided
+if [ $# -eq 0 ]; then
+    echo "Usage: $0 [folder_path]"
+    echo "Converts all PNG files in the specified folder to WebP format with 80% quality"
+    exit 1
+fi
+
+# Check if the folder exists
+if [ ! -d "$1" ]; then
+    echo "Error: Folder '$1' does not exist."
+    exit 1
+fi
+
+# Check if cwebp is installed
+if ! command -v cwebp &> /dev/null; then
+    echo "Error: cwebp is not installed. Please install it with:"
+    echo "sudo apt install webp"
+    exit 1
+fi
+
+# Change to the specified directory
+cd "$1"
+
+# Count PNG files
+png_count=$(find . -maxdepth 1 -name "*.png" | wc -l)
+if [ "$png_count" -eq 0 ]; then
+    echo "No PNG files found in the specified folder."
+    exit 0
+fi
+
+echo "Found $png_count PNG files in '$1'"
+echo "Converting to WebP with 80% quality..."
+
+# Convert all PNG files to WebP with 80% quality
+converted=0
+for file in *.png; do
+    if [ -f "$file" ]; then
+        output_file="${file%.png}.webp"
+        echo "Converting: $file → $output_file"
+        cwebp -q 80 "$file" -o "$output_file" > /dev/null 2>&1
+        
+        if [ $? -eq 0 ]; then
+            echo "✓ Success: $output_file"
+            ((converted++))
+        else
+            echo "✗ Failed to convert: $file"
+        fi
+    fi
+done
+
+echo "Conversion complete: $converted of $png_count files converted successfully."
+
+# Optional: Display file size comparison
+if [ "$converted" -gt 0 ]; then
+    echo ""
+    echo "File size comparison:"
+    for file in *.webp; do
+        if [ -f "$file" ]; then
+            original="${file%.webp}.png"
+            if [ -f "$original" ]; then
+                original_size=$(du -h "$original" | cut -f1)
+                webp_size=$(du -h "$file" | cut -f1)
+                echo "$original: $original_size → $file: $webp_size"
+            fi
+        fi
+    done
+fi