diff --git a/.github/workflows/bold.yml b/.github/workflows/bold.yml
new file mode 100644
index 00000000..6b1bf8d4
--- /dev/null
+++ b/.github/workflows/bold.yml
@@ -0,0 +1,27 @@
+name: Bold check
+on:
+  pull_request:
+  merge_group:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: Run ESLint check
+        uses: ./.github/actions/lint
+        with:
+          package-name: '@editorjs/bold'
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: Build the package
+        uses: ./.github/actions/build
+        with:
+          package-name: '@editorjs/bold'
diff --git a/README.md b/README.md
index 41b5c2ba..6a65312b 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,7 @@ A model-driven, collaboration-ready Editor.js engine split into focused packages
 | Package | Description |
 |---|---|
 | [`@editorjs/paragraph`](packages/tools/paragraph) | Built-in Paragraph block tool |
+| [`@editorjs/bold`](packages/tools/bold) | Built-in Bold inline tool |
 
 ## Documentation
 
diff --git a/packages/core/package.json b/packages/core/package.json
index 9743e1b0..19cc5d32 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -39,6 +39,7 @@
   },
   "dependencies": {
     "@codexteam/icons": "^0.3.3",
+    "@editorjs/bold": "workspace:^",
     "@editorjs/collaboration-manager": "workspace:^",
     "@editorjs/dom": "^1.1.0",
     "@editorjs/dom-adapters": "workspace:^",
diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index 02cacae5..5c72b5d6 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -20,7 +20,8 @@ import type { CoreConfigValidated, CoreConfig, EditorjsPluginConstructor, BlockT
 import { EditorAPI } from './api/index.js';
 import { generateId } from './utils/uid.js';
 import { Paragraph } from '@editorjs/paragraph';
-import { BoldInlineTool, LinkInlineTool, ItalicInlineTool } from './tools/internal';
+import { BoldInlineTool } from '@editorjs/bold';
+import { LinkInlineTool, ItalicInlineTool } from './tools/internal';
 import { ShortcutsPlugin } from './plugins/ShortcutsPlugin.js';
 import { DOMAdapters } from '@editorjs/dom-adapters';
 import { BlocksManager } from './components/BlockManager.js';
diff --git a/packages/core/src/tools/internal/index.ts b/packages/core/src/tools/internal/index.ts
index f7b4d143..c27bb03c 100644
--- a/packages/core/src/tools/internal/index.ts
+++ b/packages/core/src/tools/internal/index.ts
@@ -1,3 +1,2 @@
-export * from './inline-tools/bold/index.js';
 export * from './inline-tools/italic/index.js';
 export * from './inline-tools/link/index.js';
diff --git a/packages/core/tsconfig.build.json b/packages/core/tsconfig.build.json
index df3df6e2..873030c3 100644
--- a/packages/core/tsconfig.build.json
+++ b/packages/core/tsconfig.build.json
@@ -18,6 +18,9 @@
     },
     {
       "path": "../tools/paragraph/tsconfig.build.json"
+    },
+    {
+      "path": "../tools/bold/tsconfig.build.json"
     }
   ]
 }
diff --git a/packages/core/tsconfig.json b/packages/core/tsconfig.json
index 65da1372..202e4f1d 100644
--- a/packages/core/tsconfig.json
+++ b/packages/core/tsconfig.json
@@ -37,6 +37,9 @@
     },
     {
       "path": "../tools/paragraph/tsconfig.build.json"
+    },
+    {
+      "path": "../tools/bold/tsconfig.build.json"
     }
   ]
 }
diff --git a/packages/tools/bold/.gitignore b/packages/tools/bold/.gitignore
new file mode 100644
index 00000000..854a697d
--- /dev/null
+++ b/packages/tools/bold/.gitignore
@@ -0,0 +1,24 @@
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions
+
+# Swap the comments on the following lines if you don't wish to use zero-installs
+# Documentation here: https://yarnpkg.com/features/zero-installs
+#!.yarn/cache
+#.pnp.*
+
+# IDE
+.idea/*
+
+node_modules/*
+dist/*
+
+# tests
+coverage/
+reports/
+
+# stryker temp files
+.stryker-tmp
diff --git a/packages/tools/bold/README.md b/packages/tools/bold/README.md
new file mode 100644
index 00000000..541bd33d
--- /dev/null
+++ b/packages/tools/bold/README.md
@@ -0,0 +1,3 @@
+# Bold
+
+Built-in Editor.js Inline Tool for bold text formatting.
diff --git a/packages/tools/bold/eslint.config.mjs b/packages/tools/bold/eslint.config.mjs
new file mode 100644
index 00000000..d27b0622
--- /dev/null
+++ b/packages/tools/bold/eslint.config.mjs
@@ -0,0 +1,27 @@
+import CodeX from 'eslint-config-codex';
+
+export default [
+  ...CodeX,
+  {
+    languageOptions: {
+      parserOptions: {
+        project: './tsconfig.eslint.json',
+        tsconfigRootDir: import.meta.dirname,
+        sourceType: 'module',
+      },
+    },
+    rules: {
+      'n/no-unpublished-import': ['error', {
+        allowModules: [
+          'eslint-config-codex',
+        ],
+        ignoreTypeImport: true,
+      }],
+      'n/no-missing-import': 'off',
+      'n/no-unsupported-features/node-builtins': ['error', {
+        version: '>=24.0.0',
+        ignores: [],
+      }],
+    },
+  },
+];
diff --git a/packages/tools/bold/package.json b/packages/tools/bold/package.json
new file mode 100644
index 00000000..df2becf6
--- /dev/null
+++ b/packages/tools/bold/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "@editorjs/bold",
+  "version": "0.0.0",
+  "packageManager": "yarn@4.0.1",
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "type": "module",
+  "scripts": {
+    "build": "yarn clear && tsc --build tsconfig.build.json",
+    "build:declaration": "yarn build --emitDeclarationOnly",
+    "lint": "eslint",
+    "lint:ci": "yarn lint --max-warnings 0",
+    "lint:fix": "yarn lint --fix",
+    "clear": "rm -rf dist && rm -f tsconfig.build.tsbuildinfo && rm -f tsconfig.tsbuildinfo"
+  },
+  "devDependencies": {
+    "@types/eslint": "^9.6.1",
+    "@types/node": "^22.10.2",
+    "eslint": "^9.24.0",
+    "eslint-config-codex": "^2.0.3",
+    "eslint-plugin-import": "^2.31.0",
+    "typescript": "^5.5.4"
+  },
+  "dependencies": {
+    "@codexteam/icons": "^0.3.3",
+    "@editorjs/dom": "^1.1.0",
+    "@editorjs/sdk": "workspace:^"
+  }
+}
diff --git a/packages/core/src/tools/internal/inline-tools/bold/index.ts b/packages/tools/bold/src/index.ts
similarity index 100%
rename from packages/core/src/tools/internal/inline-tools/bold/index.ts
rename to packages/tools/bold/src/index.ts
diff --git a/packages/tools/bold/tsconfig.build.json b/packages/tools/bold/tsconfig.build.json
new file mode 100644
index 00000000..5b7ae0fc
--- /dev/null
+++ b/packages/tools/bold/tsconfig.build.json
@@ -0,0 +1,13 @@
+{
+  "extends": "./tsconfig.json",
+  "exclude": [
+    "node_modules/**/*",
+    "dist/**/*",
+    "**/*.spec.ts"
+  ],
+  "references": [
+    {
+      "path": "../../sdk/tsconfig.build.json"
+    }
+  ]
+}
diff --git a/packages/tools/bold/tsconfig.eslint.json b/packages/tools/bold/tsconfig.eslint.json
new file mode 100644
index 00000000..49c276af
--- /dev/null
+++ b/packages/tools/bold/tsconfig.eslint.json
@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "types": ["node"],
+  },
+  "extends": "./tsconfig.json",
+  "include": [
+    "src/**/*",
+    "eslint.config.mjs",
+  ],
+  "exclude": [
+    "dist/**/*",
+    "node_modules/**/*",
+  ]
+}
diff --git a/packages/tools/bold/tsconfig.json b/packages/tools/bold/tsconfig.json
new file mode 100644
index 00000000..8cc9fa49
--- /dev/null
+++ b/packages/tools/bold/tsconfig.json
@@ -0,0 +1,27 @@
+{
+  "compilerOptions": {
+    "composite": true,
+    "target": "esnext",
+    "module": "esnext",
+    "moduleResolution": "bundler",
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "strict": true,
+    "skipLibCheck": true,
+    "rootDir": "src",
+    "outDir": "dist",
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true
+  },
+  "include": ["src/**/*"],
+  "exclude": [
+    "node_modules/**/*",
+    "dist/**/*"
+  ],
+  "references": [
+    {
+      "path": "../../sdk/tsconfig.build.json"
+    }
+  ]
+}
diff --git a/yarn.lock b/yarn.lock
index 4d09f6eb..81a95561 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2245,6 +2245,22 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@editorjs/bold@workspace:^, @editorjs/bold@workspace:packages/tools/bold":
+  version: 0.0.0-use.local
+  resolution: "@editorjs/bold@workspace:packages/tools/bold"
+  dependencies:
+    "@codexteam/icons": "npm:^0.3.3"
+    "@editorjs/dom": "npm:^1.1.0"
+    "@editorjs/sdk": "workspace:^"
+    "@types/eslint": "npm:^9.6.1"
+    "@types/node": "npm:^22.10.2"
+    eslint: "npm:^9.24.0"
+    eslint-config-codex: "npm:^2.0.3"
+    eslint-plugin-import: "npm:^2.31.0"
+    typescript: "npm:^5.5.4"
+  languageName: unknown
+  linkType: soft
+
 "@editorjs/caret@npm:^1.1.0":
   version: 1.1.0
   resolution: "@editorjs/caret@npm:1.1.0"
@@ -2287,6 +2303,7 @@ __metadata:
     "@babel/core": "npm:^7.29.0"
     "@babel/preset-env": "npm:^7.29.2"
     "@codexteam/icons": "npm:^0.3.3"
+    "@editorjs/bold": "workspace:^"
     "@editorjs/collaboration-manager": "workspace:^"
     "@editorjs/dom": "npm:^1.1.0"
     "@editorjs/dom-adapters": "workspace:^"