diff --git a/packages/byte-utils/.eslintrc.cjs b/packages/byte-utils/.eslintrc.cjs
new file mode 100644
index 0000000000..324f1f526d
--- /dev/null
+++ b/packages/byte-utils/.eslintrc.cjs
@@ -0,0 +1,6 @@
+module.exports = {
+  parserOptions: {
+    tsconfigRootDir: __dirname,
+    project: "./tsconfig.dev.json",
+  },
+};
diff --git a/packages/byte-utils/.prettierignore b/packages/byte-utils/.prettierignore
new file mode 100644
index 0000000000..fecb37a393
--- /dev/null
+++ b/packages/byte-utils/.prettierignore
@@ -0,0 +1,4 @@
+build
+bundle
+dist
+node_modules
diff --git a/packages/byte-utils/package.json b/packages/byte-utils/package.json
new file mode 100644
index 0000000000..a832ebe6d0
--- /dev/null
+++ b/packages/byte-utils/package.json
@@ -0,0 +1,177 @@
+{
+  "name": "@waku/byte-utils",
+  "version": "0.0.1",
+  "description": "Utilities to manipulate and convert byte arrays",
+  "types": "./dist/index.d.ts",
+  "module": "./dist/index.js",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.js"
+    }
+  },
+  "type": "module",
+  "author": "Waku Team",
+  "homepage": "https://github.com/waku-org/js-waku/tree/master/packages/byte-utils#readme",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/waku-org/js-waku.git"
+  },
+  "bugs": {
+    "url": "https://github.com/waku-org/js-waku/issues"
+  },
+  "license": "MIT OR Apache-2.0",
+  "keywords": [
+    "waku",
+    "decentralized",
+    "secure",
+    "communication",
+    "web3",
+    "ethereum",
+    "dapps",
+    "privacy"
+  ],
+  "scripts": {
+    "build": "run-s build:**",
+    "build:esm": "tsc",
+    "build:bundle": "rollup --config rollup.config.js",
+    "fix": "run-s fix:*",
+    "fix:prettier": "prettier . --write",
+    "fix:lint": "eslint src --ext .ts --ext .cjs --fix",
+    "check": "run-s check:*",
+    "check:lint": "eslint src --ext .ts",
+    "check:prettier": "prettier . --list-different",
+    "check:spelling": "cspell \"{README.md,src/**/*.ts}\"",
+    "check:tsc": "tsc -p tsconfig.dev.json",
+    "prepublish": "npm run build",
+    "reset-hard": "git clean -dfx -e .idea && git reset --hard && npm i && npm run build",
+    "release": "semantic-release"
+  },
+  "engines": {
+    "node": ">=16"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "@rollup/plugin-commonjs": "^22.0.0",
+    "@rollup/plugin-json": "^4.1.0",
+    "@rollup/plugin-node-resolve": "^13.3.0",
+    "@semantic-release/changelog": "^6.0.1",
+    "@semantic-release/commit-analyzer": "^9.0.2",
+    "@semantic-release/git": "^10.0.1",
+    "@semantic-release/github": "^8.0.6",
+    "@semantic-release/npm": "^9.0.1",
+    "@semantic-release/release-notes-generator": "^10.0.3",
+    "@typescript-eslint/eslint-plugin": "^5.8.1",
+    "@typescript-eslint/parser": "^5.8.1",
+    "cspell": "^5.14.0",
+    "eslint": "^8.6.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-eslint-comments": "^3.2.0",
+    "eslint-plugin-functional": "^4.0.2",
+    "eslint-plugin-import": "^2.25.3",
+    "eslint-plugin-prettier": "^4.0.0",
+    "npm-run-all": "^4.1.5",
+    "prettier": "^2.1.1",
+    "rollup": "^2.75.0",
+    "semantic-release": "^19.0.5",
+    "semantic-release-monorepo": "^7.0.5",
+    "typescript": "^4.6.3"
+  },
+  "release": {
+    "branches": [
+      "master"
+    ],
+    "extends": "semantic-release-monorepo",
+    "plugins": [
+      [
+        "@semantic-release/commit-analyzer",
+        {
+          "preset": "conventionalcommits",
+          "releaseRules": [
+            {
+              "breaking": true,
+              "release": "patch"
+            },
+            {
+              "revert": true,
+              "release": "patch"
+            },
+            {
+              "type": "feat",
+              "release": "patch"
+            },
+            {
+              "type": "fix",
+              "release": "patch"
+            },
+            {
+              "type": "doc",
+              "release": "patch"
+            },
+            {
+              "type": "test",
+              "release": "patch"
+            },
+            {
+              "scope": "deps",
+              "release": "patch"
+            },
+            {
+              "scope": "no-release",
+              "release": false
+            }
+          ]
+        }
+      ],
+      [
+        "@semantic-release/release-notes-generator",
+        {
+          "preset": "conventionalcommits",
+          "presetConfig": {
+            "types": [
+              {
+                "type": "feat",
+                "section": "Features"
+              },
+              {
+                "type": "fix",
+                "section": "Bug Fixes"
+              },
+              {
+                "type": "chore",
+                "section": "Trivial Changes"
+              },
+              {
+                "type": "doc",
+                "section": "Documentation"
+              },
+              {
+                "type": "test",
+                "section": "Tests"
+              }
+            ]
+          }
+        }
+      ],
+      "@semantic-release/changelog",
+      "@semantic-release/npm",
+      "@semantic-release/github",
+      "@semantic-release/git"
+    ]
+  },
+  "typedoc": {
+    "entryPoint": "./src/index.ts"
+  },
+  "files": [
+    "dist",
+    "bundle",
+    "src/*.ts",
+    "src/lib/**/*.ts",
+    "src/proto/**/*.ts",
+    "!**/*.spec.*",
+    "!**/*.json",
+    "CHANGELOG.md",
+    "LICENSE",
+    "README.md"
+  ]
+}
diff --git a/packages/byte-utils/rollup.config.js b/packages/byte-utils/rollup.config.js
new file mode 100644
index 0000000000..d22d3d231e
--- /dev/null
+++ b/packages/byte-utils/rollup.config.js
@@ -0,0 +1,21 @@
+import commonjs from "@rollup/plugin-commonjs";
+import json from "@rollup/plugin-json";
+import { nodeResolve } from "@rollup/plugin-node-resolve";
+
+export default {
+  input: {
+    index: "dist/index.js",
+  },
+  output: {
+    dir: "bundle",
+    format: "esm",
+  },
+  plugins: [
+    commonjs(),
+    json(),
+    nodeResolve({
+      browser: true,
+      preferBuiltins: false,
+    }),
+  ],
+};
diff --git a/packages/core/src/lib/utils.ts b/packages/byte-utils/src/index.ts
similarity index 100%
rename from packages/core/src/lib/utils.ts
rename to packages/byte-utils/src/index.ts
diff --git a/packages/byte-utils/tsconfig.dev.json b/packages/byte-utils/tsconfig.dev.json
new file mode 100644
index 0000000000..ffc27ef6ba
--- /dev/null
+++ b/packages/byte-utils/tsconfig.dev.json
@@ -0,0 +1,8 @@
+{
+  "extends": "./tsconfig",
+  "compilerOptions": {
+    "module": "esnext",
+    "noEmit": true
+  },
+  "exclude": []
+}
diff --git a/packages/byte-utils/tsconfig.json b/packages/byte-utils/tsconfig.json
new file mode 100644
index 0000000000..7b01b30897
--- /dev/null
+++ b/packages/byte-utils/tsconfig.json
@@ -0,0 +1,54 @@
+{
+  "compilerOptions": {
+    "incremental": true,
+    "target": "es2020",
+    "outDir": "dist/",
+    "rootDir": "src",
+    "moduleResolution": "node",
+    "module": "es2020",
+    "declaration": true,
+    "sourceMap": true,
+    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
+    "resolveJsonModule": true /* Include modules imported with .json extension. */,
+    "tsBuildInfoFile": "dist/.tsbuildinfo",
+    "strict": true /* Enable all strict type-checking options. */,
+
+    /* Strict Type-Checking Options */
+    "noImplicitAny": true /* Raise error on expressions and declarations with an implied 'any' type. */,
+    "strictNullChecks": true /* Enable strict null checks. */,
+    "strictFunctionTypes": true /* Enable strict checking of function types. */,
+    "strictPropertyInitialization": true /* Enable strict checking of property initialization in classes. */,
+    "noImplicitThis": true /* Raise error on 'this' expressions with an implied 'any' type. */,
+    "alwaysStrict": true /* Parse in strict mode and emit "use strict" for each source file. */,
+
+    /* Additional Checks */
+    "noUnusedLocals": true /* Report errors on unused locals. */,
+    "noUnusedParameters": true /* Report errors on unused parameters. */,
+    "noImplicitReturns": true /* Report error when not all code paths in function return a value. */,
+    "noFallthroughCasesInSwitch": true /* Report errors for fallthrough cases in switch statement. */,
+    "forceConsistentCasingInFileNames": true,
+
+    /* Debugging Options */
+    "traceResolution": false /* Report module resolution log messages. */,
+    "listEmittedFiles": false /* Print names of generated files part of the compilation. */,
+    "listFiles": false /* Print names of files part of the compilation. */,
+    "pretty": true /* Stylize errors and messages using color and context. */,
+
+    // Due to broken types in indirect dependencies
+    "skipLibCheck": true,
+
+    /* Experimental Options */
+    // "experimentalDecorators": true /* Enables experimental support for ES7 decorators. */,
+    // "emitDecoratorMetadata": true /* Enables experimental support for emitting type metadata for decorators. */,
+
+    "lib": ["es2020", "dom"],
+    "types": ["node", "mocha"],
+    "typeRoots": ["node_modules/@types", "src/types"]
+  },
+  "include": ["src"],
+  "exclude": ["src/**/*.spec.ts", "src/test_utils"],
+  "compileOnSave": false,
+  "ts-node": {
+    "files": true
+  }
+}