diff --git a/README.md b/README.md
index cb2e08a..11309b6 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ JavaScript helpers for Node.js addon development. The short list of helpers:
 	'install', 'cpbin', 'download', 'read', 'write', 'copy', 'exists',
 	'mkdir', 'stat', 'isDir', 'isFile', 'dirUp', 'ensuredir', 'copysafe',
 	'readdir', 'subdirs', 'subfiles', 'traverse', 'copyall',
-	'rmdir', 'rm', 'WritableBuffer', 'actionZip',
+	'rmdir', 'rm', 'WritableBuffer', 'actionPack',
 ```
 
 
diff --git a/include/snippets.md b/include/snippets.md
index 7090f33..79ee638 100644
--- a/include/snippets.md
+++ b/include/snippets.md
@@ -6,7 +6,7 @@
 
 In **package.json** use the `"postinstall"` script to download the libraries.
 For example the following structure might work. Note that **Addon Tools** will
-append any given URL with `/${getPlatform()}.zip`
+append any given URL with `/${getPlatform()}.gzip`
 
 In **package.json**:
 
@@ -23,7 +23,7 @@ In **package.json**:
 ```
 
 Create the **install.js** file, see `install` in [index.d.ts](/index.d.ts).
-**Addon Tools** will unzip (using **tar**) the downloaded file into the platform binary
+**Addon Tools** will unpack (using **tar**) the downloaded file into the platform binary
 directory. E.g. on Windows it will be **bin-windows**.
 
 * For a dependency package:
@@ -43,14 +43,14 @@ directory. E.g. on Windows it will be **bin-windows**.
 	```
 
 
-Publishing binaries is done by attaching a zipped platform folder to a GitHub
+Publishing binaries is done by attaching a GZIPped platform folder to a GitHub
 release. Zip file must NOT contain platform folder as a subfolder, but rather
 contain the final binaries. The tag of the release should be the same as in
 **install.js**.
 
 > NOTE: You can publish your binaries to anywhere, not necessarily GitHub.
 Just tweak **YOUR install.js** script as appropriate. The only limitation
-from **Addon Tools** is that it should be a zipped set of files/folders.
+from **Addon Tools** is that it should be a GZIPped set of files/folders.
 
 
 ### GYP Variables
diff --git a/index.d.ts b/index.d.ts
index 578b062..c2abcae 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,3 +1,7 @@
+import type { Stats } from 'node:fs';
+import type { Writable } from 'node:stream';
+
+
 declare module "addon-tools-raub" {
 	/**
 	* Get the internal paths for an addon
@@ -38,7 +42,7 @@ declare module "addon-tools-raub" {
 	
 	/**
 	* Install binaries
-	* Downloads and unzips the platform specific binary for the calling package.
+	* Downloads and unpacks the platform specific binary for the calling package.
 	* To use it, create a new script for your package, which may as well be named
 	* **install.js**, with the following content:
 	*
@@ -78,20 +82,20 @@ declare module "addon-tools-raub" {
 	
 	
 	/**
-	* Package version for GitHub Actions
-	* Example of `actionZip` usage in **Github Actions**:
+	* Packs binaries into GZIP
+	* Example of `actionPack` usage in **Github Actions**:
 	*
 	* ```
-	* - name: Zip Files
-	* id: zip-files
-	* run: node -p "require('addon-tools-raub').actionZip()" >> $GITHUB_OUTPUT
+	* - name: Pack Files
+	* id: pack-files
+	* run: node -p "require('addon-tools-raub').actionPack()" >> $GITHUB_OUTPUT
 	* - name: Store Binaries
 	* uses: softprops/action-gh-release@v1
 	* with:
-	* 	files: ${{ steps.zip-files.outputs.zip }}
+	* 	files: ${{ steps.pack-files.outputs.pack }}
 	* ```
 	*/
-	export const actionZip: () => void;
+	export const actionPack: () => void;
 	
 	
 	/**
diff --git a/utils/action-zip.js b/utils/action-pack.js
similarity index 57%
rename from utils/action-zip.js
rename to utils/action-pack.js
index 80012f0..294fc56 100644
--- a/utils/action-zip.js
+++ b/utils/action-pack.js
@@ -6,10 +6,10 @@ const exec = util.promisify(require('node:child_process').exec);
 const { getPlatform, getBin } = require('../include');
 
 
-const actionZip = async () => {
+const actionPack = async () => {
 	try {
-		await exec(`cd ${getBin()} && tar -acf ../${getPlatform()}.zip *`);
-		console.log(`zip=${getPlatform()}.zip`);
+		await exec(`cd ${getBin()} && tar -acf ../${getPlatform()}.gzip *`);
+		console.log(`pack=${getPlatform()}.gzip`);
 	} catch (error) {
 		console.error(error);
 		process.exit(-1);
@@ -17,4 +17,4 @@ const actionZip = async () => {
 };
 
 
-module.exports = { actionZip };
+module.exports = { actionPack };
diff --git a/utils/index.js b/utils/index.js
index 8d00f0f..72d5296 100644
--- a/utils/index.js
+++ b/utils/index.js
@@ -3,7 +3,7 @@
 
 module.exports = Object.assign(
 	{},
-	require('./action-zip'),
+	require('./action-pack'),
 	require('./cpbin'),
 	require('./download'),
 	require('./files'),
diff --git a/utils/install.js b/utils/install.js
index 458ac2c..25d6ce9 100644
--- a/utils/install.js
+++ b/utils/install.js
@@ -47,18 +47,18 @@ const installRecursive = async (url, count = 1) => {
 		await rmdir(getBin());
 		await mkdir(getBin());
 		
-		const zipPath = `${getBin()}/${getPlatform()}.zip`;
+		const packPath = `${getBin()}/${getPlatform()}.gzip`;
 		
 		await new Promise((res, rej) => {
-			const zipWriter = fs.createWriteStream(zipPath);
-			zipWriter.on('error', (err) => rej(err));
-			zipWriter.on('finish', () => res());
-			response.pipe(zipWriter);
+			const packWriter = fs.createWriteStream(packPath);
+			packWriter.on('error', (err) => rej(err));
+			packWriter.on('finish', () => res());
+			response.pipe(packWriter);
 		});
 		
-		await exec(`tar -xzvf ${zipPath} --directory ${getBin()}`);
+		await exec(`tar -xzf ${packPath} --directory ${getBin()}`);
 		
-		await rm(zipPath);
+		await rm(packPath);
 	} catch (ex) {
 		onError(ex.message);
 	}
@@ -66,7 +66,7 @@ const installRecursive = async (url, count = 1) => {
 
 
 const install = (folder) => {
-	const url = `${folder}/${getPlatform()}.zip`;
+	const url = `${folder}/${getPlatform()}.gzip`;
 	installRecursive(url).then();
 };
 
diff --git a/utils/utils.test.js b/utils/utils.test.js
index 14159dc..9923c7c 100644
--- a/utils/utils.test.js
+++ b/utils/utils.test.js
@@ -8,7 +8,7 @@ describe('AT / utils', () => {
 		'install', 'cpbin', 'download', 'read', 'write', 'copy', 'exists',
 		'mkdir', 'stat', 'isDir', 'isFile', 'dirUp', 'ensuredir', 'copysafe',
 		'readdir', 'subdirs', 'subfiles', 'traverse', 'copyall',
-		'rmdir', 'rm', 'WritableBuffer', 'actionZip',
+		'rmdir', 'rm', 'WritableBuffer', 'actionPack',
 	];
 	
 	methods.forEach((name) => {