diff --git a/src/scripts/remove-bg.mjs b/src/scripts/remove-bg.mjs
index a9ea578..3b8b615 100644
--- a/src/scripts/remove-bg.mjs
+++ b/src/scripts/remove-bg.mjs
@@ -7,7 +7,7 @@ const PROJECT_ROOT = resolve(fileURLToPath(import.meta.url), '../../..');
 const DEFAULT_INPUT = resolve(PROJECT_ROOT, 'assets/icons/pack2');
 const DEFAULT_THRESHOLD = 230;
 const DEFAULT_FUZZ = 0;
-const PNG_EXTENSION = /\.png$/i;
+const IMAGE_EXTENSION = /\.(png|jpe?g|webp)$/i;
 
 function parseArgs(args) {
   const result = { input: DEFAULT_INPUT, threshold: DEFAULT_THRESHOLD, fuzz: DEFAULT_FUZZ };
@@ -22,7 +22,7 @@ function parseArgs(args) {
 function collectFiles(input) {
   if (statSync(input).isFile()) return [input];
   return readdirSync(input)
-    .filter(f => PNG_EXTENSION.test(f))
+    .filter(f => IMAGE_EXTENSION.test(f))
     .sort()
     .map(f => join(input, f));
 }
@@ -135,6 +135,12 @@ function applyAntiAlias(data, width, height, transparent, fuzz) {
   }
 }
 
+function outputPath(filePath) {
+  const ext = extname(filePath).toLowerCase();
+  if (ext === '.png') return filePath;
+  return join(resolve(filePath, '..'), basename(filePath, extname(filePath)) + '.png');
+}
+
 async function removeBackground(filePath, threshold, fuzz) {
   const { data, info } = await sharp(filePath)
     .ensureAlpha()
@@ -145,11 +151,12 @@ async function removeBackground(filePath, threshold, fuzz) {
   const { transparent, count } = floodFillFromEdges(data, width, height, threshold);
   applyAntiAlias(data, width, height, transparent, fuzz);
 
+  const outFile = outputPath(filePath);
   await sharp(data, { raw: { width, height, channels: 4 } })
     .png()
-    .toFile(filePath);
+    .toFile(outFile);
 
-  return count;
+  return { count, outFile };
 }
 
 async function main() {
@@ -163,7 +170,7 @@ async function main() {
   const files = collectFiles(input);
 
   if (files.length === 0) {
-    console.error(`No PNG files found in: ${input}`);
+    console.error(`No image files found in: ${input}`);
     process.exit(1);
   }
 
@@ -171,9 +178,10 @@ async function main() {
 
   const results = await Promise.all(
     files.map(async (filePath) => {
-      const removed = await removeBackground(filePath, threshold, fuzz);
-      console.log(`  ${basename(filePath)} -> ${removed} pixels made transparent`);
-      return removed;
+      const { count, outFile } = await removeBackground(filePath, threshold, fuzz);
+      const suffix = outFile !== filePath ? ` (saved as ${basename(outFile)})` : '';
+      console.log(`  ${basename(filePath)} -> ${count} pixels made transparent${suffix}`);
+      return count;
     })
   );