diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index ab4ac57..7e9b3e6 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -10,11 +10,11 @@ on:
     - feature/*
 
 env:
-  NODE_VERSION: 16.15
+  NODE_VERSION: 18
 
 jobs:
   build:
-    name: Lint Code Base
+    name: Test Code Base
     runs-on: ubuntu-latest
 
     steps:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9232c4..fdef5b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ by [**SWR Audio Lab**](https://lab.swr.de/)
 
 ## Changelog
 
+- 2022-07-27 - v1.0.0
+  - chore: move node-crc to swrlab account
+  - feat: add mocha tests for strings utils
+
 - 2022-07-26 - v1.0.10-beta
   - chore: merge `frytg/undici-wrapper` into this package
 
diff --git a/README.md b/README.md
index c06044c..ae078c7 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,6 @@
 
 This repository contains several frequently used packages and scripts for easier access and maintenance.
 
-*Please note: This project is still under development!*  
-
 - [SWR Audio Lab / Node.js Utils](#swr-audio-lab--nodejs-utils)
   - [Install](#install)
   - [Packages](#packages)
diff --git a/package.json b/package.json
index fd05a1e..acb5d01 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@swrlab/utils",
-	"version": "1.0.10-beta",
+	"version": "1.0.0",
 	"description": "Wrapping common SWR Audio Lab utils",
 	"main": "./src/index.js",
 	"engines": {
@@ -24,9 +24,9 @@
 	"dependencies": {
 		"@google-cloud/storage": "^6.2.3",
 		"abort-controller": "^3.0.0",
-		"aws-sdk": "^2.1181.0",
+		"aws-sdk": "^2.1182.0",
 		"chai": "^4.3.6",
-		"node-crc": "rafaelmaeuer/node-crc#v2.0.15",
+		"node-crc": "swrlab/node-crc#v2.0.15",
 		"undici": "^5.8.0",
 		"uuid": "8.3.2"
 	},
diff --git a/test/test.js b/test/test.js
index 8c4b953..0d994ad 100644
--- a/test/test.js
+++ b/test/test.js
@@ -1,3 +1,4 @@
+/* eslint-disable sonarjs/no-duplicate-string */
 /*
 
 	by SWR audio lab
@@ -11,9 +12,150 @@
 
 const { expect } = require('chai')
 const createHashedId = require('../utils/ard/createHashedId')
+const strings = require('../packages/strings')
 
-describe('Test ARD-CoreID', () => {
-	it('createHashedId test', () => {
+describe('Test ARD-CoreID Hash', () => {
+	it('createHashedId("test") = 0c171b2e54a30c11', () => {
 		expect(createHashedId('test')).to.equal('0c171b2e54a30c11')
 	})
 })
+
+describe('Test getObjectLength', () => {
+	it('getObjectLength({ hello: "world" }) = 1', () => {
+		expect(strings.getObjectLength({ hello: 'world' })).to.equal(1)
+	})
+
+	it('getObjectLength({ hello: "world", foo: "bar" }) = 2', () => {
+		expect(strings.getObjectLength({ hello: 'world', foo: 'bar' })).to.equal(2)
+	})
+})
+
+describe('Test isArray', () => {
+	it('isArray(["hello world"]) = true', () => {
+		expect(strings.isArray(['hello world'])).to.equal(true)
+	})
+
+	it('isArray({ hello: "world" }) = false', () => {
+		expect(strings.isArray({ hello: 'world' })).to.equal(false)
+	})
+})
+
+describe('Test isEmptyArray', () => {
+	it('isEmptyArray([]) = true', () => {
+		expect(strings.isEmptyArray([])).to.equal(true)
+	})
+
+	it('isEmptyArray(["hello world"]) = false', () => {
+		expect(strings.isEmptyArray(['hello world'])).to.equal(false)
+	})
+})
+
+describe('Test isEmptyObject', () => {
+	it('isEmptyObject({}) = true', () => {
+		expect(strings.isEmptyObject({})).to.equal(true)
+	})
+
+	it('isEmptyObject({ hello: "world" }) = false', () => {
+		expect(strings.isEmptyObject({ hello: 'world' })).to.equal(false)
+	})
+})
+
+describe('Test isEven', () => {
+	it('isEven(2) = true', () => {
+		expect(strings.isEven(2)).to.equal(true)
+	})
+
+	it('isEven(1) = false', () => {
+		expect(strings.isEven(1)).to.equal(false)
+	})
+})
+
+describe('Test isIncluded', () => {
+	it('isIncluded("hello world", "hello") = true', () => {
+		expect(strings.isIncluded('hello world', 'hello')).to.equal(true)
+	})
+
+	it('isIncluded("hello world", "earth") = false', () => {
+		expect(strings.isIncluded('hello world', 'earth')).to.equal(false)
+	})
+})
+
+describe('Test isNull', () => {
+	it('isNull(null) = true', () => {
+		expect(strings.isNull(null)).to.equal(true)
+	})
+
+	it('isNull(undefined) = false', () => {
+		expect(strings.isNull(undefined)).to.equal(false)
+	})
+})
+
+describe('Test isObject', () => {
+	it('isObject({ hello: "world" }) = true', () => {
+		expect(strings.isObject({ hello: 'world' })).to.equal(true)
+	})
+
+	it('isObject("hello world") = false', () => {
+		expect(strings.isObject('hello world')).to.equal(false)
+	})
+})
+
+describe('Test isUndefined', () => {
+	it('isUndefined(undefined) = true', () => {
+		expect(strings.isUndefined(undefined)).to.equal(true)
+	})
+
+	it('isUndefined(null) = false', () => {
+		expect(strings.isUndefined(null)).to.equal(false)
+	})
+})
+
+describe('Test notEmptyArray', () => {
+	it('notEmptyArray(["hello world"]) = true', () => {
+		expect(strings.notEmptyArray(['hello world'])).to.equal(true)
+	})
+
+	it('notEmptyArray([]) = false', () => {
+		expect(strings.notEmptyArray([])).to.equal(false)
+	})
+})
+
+describe('Test notEmptyObject', () => {
+	it('notEmptyObject({ hello: "world" }) = true', () => {
+		expect(strings.notEmptyObject({ hello: 'world' })).to.equal(true)
+	})
+
+	it('notEmptyObject({}) = false', () => {
+		expect(strings.notEmptyObject({})).to.equal(false)
+	})
+})
+
+describe('Test notNullOrUndefined', () => {
+	it('notNullOrUndefined("hello world") = true', () => {
+		expect(strings.notNullOrUndefined('hello world')).to.equal(true)
+	})
+
+	it('notNullOrUndefined(null) = false', () => {
+		expect(strings.notNullOrUndefined(null)).to.equal(false)
+	})
+
+	it('notNullOrUndefined(undefined) = false', () => {
+		expect(strings.notNullOrUndefined(undefined)).to.equal(false)
+	})
+})
+
+describe('Test removeDoubleSpaces', () => {
+	it('removeDoubleSpaces("hello  world")) = hello world', () => {
+		expect(strings.removeDoubleSpaces('hello  world')).to.equal('hello world')
+	})
+
+	it('removeDoubleSpaces("hello  world  once  again")) = hello world once again', () => {
+		expect(strings.removeDoubleSpaces('hello  world  once  again')).to.equal('hello world once again')
+	})
+})
+
+describe('Test toHex', () => {
+	it('toHex("hello world")) = 68656c6c6f20776f726c64', () => {
+		expect(strings.toHex('hello world')).to.equal('68656c6c6f20776f726c64')
+	})
+})
diff --git a/yarn.lock b/yarn.lock
index bdb2c38..c90d8ea 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -461,10 +461,10 @@ available-typed-arrays@^1.0.5:
   resolved "https://registry.yarnpkg.com/available-typed-arrays/-/available-typed-arrays-1.0.5.tgz#92f95616501069d07d10edb2fc37d3e1c65123b7"
   integrity sha512-DMD0KiN46eipeziST1LPP/STfDU0sufISXmjSgvVsoU2tqxctQeASejWcfNtxYKqETM1UxQ8sp2OrSBWpHY6sw==
 
-aws-sdk@^2.1181.0:
-  version "2.1181.0"
-  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.1181.0.tgz#6ec2997881ae3df76e56d7150fc2992f12ce43dc"
-  integrity sha512-AAHSknRFAIjXBA/XNAL7gS79agr1LbS0oGimOJqJauGSJfWNaOpDc7z6OLNUQqGa5Joc3maD5QJcSKp1Pm/deQ==
+aws-sdk@^2.1182.0:
+  version "2.1182.0"
+  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.1182.0.tgz#7364e3e104f62b61018a00f19f2ffc989b1780ed"
+  integrity sha512-iemVvLTc2iy0rz3xTp8zc/kD27gIfDF/mk6bxY8/35xMulKCVANWUkAH8jWRKReHh5F/gX4bp33dnfG63ny1Ww==
   dependencies:
     buffer "4.9.2"
     events "1.1.1"
@@ -1965,9 +1965,9 @@ natural-compare@^1.4.0:
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
   integrity sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=
 
-node-crc@rafaelmaeuer/node-crc#v2.0.15:
+node-crc@swrlab/node-crc#v2.0.15:
   version "2.0.15"
-  resolved "https://codeload.github.com/rafaelmaeuer/node-crc/tar.gz/9d0d20f171efb60265bbc91246a2497856f5fd89"
+  resolved "https://codeload.github.com/swrlab/node-crc/tar.gz/9d0d20f171efb60265bbc91246a2497856f5fd89"
   dependencies:
     "@types/node" "^18.0.0"
     detect-libc "^2.0.1"