diff --git a/CHANGELOG.md b/CHANGELOG.md
index 229440fd..2e6b190d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Next
+- [feat] [BIP39 generator](https://it-tools.tech/bip39-generator)
+
 ## 1.5.2
 - [feat] [humans.txt](https://it-tools.tech/humans.txt)
 - [feat] pwa auto update on new changes
diff --git a/package-lock.json b/package-lock.json
index edbdaf53..e10f0e01 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2483,6 +2483,24 @@
         "file-uri-to-path": "1.0.0"
       }
     },
+    "bip39": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/bip39/-/bip39-3.0.2.tgz",
+      "integrity": "sha512-J4E1r2N0tUylTKt07ibXvhpT2c5pyAFgvuA5q1H9uDy6dEGpjV8jmymh3MTYJDLCNbIVClSB9FbND49I6N24MQ==",
+      "requires": {
+        "@types/node": "11.11.6",
+        "create-hash": "^1.1.0",
+        "pbkdf2": "^3.0.9",
+        "randombytes": "^2.0.1"
+      },
+      "dependencies": {
+        "@types/node": {
+          "version": "11.11.6",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-11.11.6.tgz",
+          "integrity": "sha512-Exw4yUWMBXM3X+8oqzJNRqZSwUAaS4+7NdvHqQuFi/d+synz++xmX3QIf+BFqneW8N31R8Ky+sikfZUXq07ggQ=="
+        }
+      }
+    },
     "bluebird": {
       "version": "3.7.2",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
@@ -3023,7 +3041,6 @@
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/cipher-base/-/cipher-base-1.0.4.tgz",
       "integrity": "sha512-Kkht5ye6ZGmwv40uUDZztayT2ThLQGfnj/T71N/XzeZeo3nf8foyW7zGTsPYkEya3m5f3cAypH+qe7YOrM1U2Q==",
-      "dev": true,
       "requires": {
         "inherits": "^2.0.1",
         "safe-buffer": "^5.0.1"
@@ -3682,7 +3699,6 @@
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz",
       "integrity": "sha512-z00bCGNHDG8mHAkP7CtT1qVu+bFQUPjYq/4Iv3C3kWjTFV10zIjfSoeqXo9Asws8gwSHDGj/hl2u4OGIjapeCg==",
-      "dev": true,
       "requires": {
         "cipher-base": "^1.0.1",
         "inherits": "^2.0.1",
@@ -3695,7 +3711,6 @@
       "version": "1.1.7",
       "resolved": "https://registry.npmjs.org/create-hmac/-/create-hmac-1.1.7.tgz",
       "integrity": "sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==",
-      "dev": true,
       "requires": {
         "cipher-base": "^1.0.3",
         "create-hash": "^1.1.0",
@@ -6225,7 +6240,6 @@
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/hash-base/-/hash-base-3.0.4.tgz",
       "integrity": "sha1-X8hoaEfs1zSZQDMZprCj8/auSRg=",
-      "dev": true,
       "requires": {
         "inherits": "^2.0.1",
         "safe-buffer": "^5.0.1"
@@ -6633,8 +6647,7 @@
     "inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
-      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
-      "dev": true
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
     "inquirer": {
       "version": "7.1.0",
@@ -8117,7 +8130,6 @@
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/md5.js/-/md5.js-1.3.5.tgz",
       "integrity": "sha512-xitP+WxNPcTTOgnTJcrhM0xvdPepipPSf3I8EIpGKeFLjt3PlJLIDG3u8EX53ZIubkb+5U2+3rELYpEhHhzdkg==",
-      "dev": true,
       "requires": {
         "hash-base": "^3.0.0",
         "inherits": "^2.0.1",
@@ -9094,7 +9106,6 @@
       "version": "3.0.17",
       "resolved": "https://registry.npmjs.org/pbkdf2/-/pbkdf2-3.0.17.tgz",
       "integrity": "sha512-U/il5MsrZp7mGg3mSQfn742na2T+1/vHDCG5/iTI3X9MKUuYUZVLQhyRsg06mCgDBTd57TxzgZt7P+fYfjRLtA==",
-      "dev": true,
       "requires": {
         "create-hash": "^1.1.2",
         "create-hmac": "^1.1.4",
@@ -10033,7 +10044,6 @@
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.1.0.tgz",
       "integrity": "sha512-vYl3iOX+4CKUWuxGi9Ukhie6fsqXqS9FE2Zaic4tNFD2N2QQaXOMFbuKK4QmDHC0JO6B1Zp41J0LpT0oR68amQ==",
-      "dev": true,
       "requires": {
         "safe-buffer": "^5.1.0"
       }
@@ -10466,7 +10476,6 @@
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/ripemd160/-/ripemd160-2.0.2.tgz",
       "integrity": "sha512-ii4iagi25WusVoiC4B4lq7pbXfAp3D9v5CwfkY33vffw2+pkDjY1D8GaN7spsxvCSx8dkPqOZCEZyfxcmJG2IA==",
-      "dev": true,
       "requires": {
         "hash-base": "^3.0.0",
         "inherits": "^2.0.1"
@@ -10513,8 +10522,7 @@
     "safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
-      "dev": true
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
     },
     "safe-regex": {
       "version": "1.1.0",
@@ -10775,7 +10783,6 @@
       "version": "2.4.11",
       "resolved": "https://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz",
       "integrity": "sha512-QMEp5B7cftE7APOjk5Y6xgrbWu+WkLVQwk8JNjZ8nKRciZaByEW6MubieAiToS7+dwvrjGhH8jRXz3MVd0AYqQ==",
-      "dev": true,
       "requires": {
         "inherits": "^2.0.1",
         "safe-buffer": "^5.0.1"
diff --git a/package.json b/package.json
index ced65033..9a9105ad 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,7 @@
   },
   "dependencies": {
     "axios": "^0.19.2",
+    "bip39": "^3.0.2",
     "color-convert": "^2.0.1",
     "color-name": "^1.1.4",
     "core-js": "^3.6.4",
diff --git a/src/router.js b/src/router.js
index 32d8911b..c7a046d7 100644
--- a/src/router.js
+++ b/src/router.js
@@ -38,6 +38,13 @@ const toolsComponents = [
                 component: () => import('./routes/tools/TextCypher'),
                 keywords: ['aes', 'tripledes', 'rabbit', 'rabbitlegacy', 'rc4']
             },
+            {
+                icon: 'fa-file-word',
+                text: 'BIP39 passphrase generator',
+                path: '/bip39-generator',
+                component: () => import('./routes/tools/BIP39Generator'),
+                keywords: []
+            },
         ],
     },
     {
diff --git a/src/routes/tools/BIP39Generator.vue b/src/routes/tools/BIP39Generator.vue
new file mode 100644
index 00000000..89642ad3
--- /dev/null
+++ b/src/routes/tools/BIP39Generator.vue
@@ -0,0 +1,100 @@
+<template>
+    <v-card class="single-card">
+        <v-card-title>BIP39 passphrase generator</v-card-title>
+        <v-card-text>
+            <v-select
+                    outlined
+                    label="Language"
+                    @change="languageChanged"
+                    :items="languageList"
+                    v-model="language"
+            />
+            <v-text-field
+                    outlined
+                    v-model="entropy"
+                    label="Entropy"
+                    append-icon="fa-clipboard"
+                    @click:append="copy(entropy)"
+                    :rules="rules.entropy"
+                    ref="entropy"
+            />
+            <v-text-field
+                    outlined
+                    v-model="passphrase"
+                    label="Passphrase"
+                    append-icon="fa-clipboard"
+                    @click:append="copy(passphrase)"
+                    :rules="rules.passphrase"
+                    ref="passphrase"
+            />
+            <div class="text-center">
+                <v-btn @click="refresh">refresh</v-btn>
+            </div>
+        </v-card-text>
+    </v-card>
+</template>
+
+<script>
+    import * as bip39 from "bip39";
+    import {copyable} from "../../mixins/copyable.mixin";
+
+    const shuffle = (str) => str.split('').sort(() => 0.5 - Math.random()).join('');
+
+    const getRandomBuffer = () => {
+        return Buffer.from(shuffle('0123456789abcdef'.repeat(16)).substring(0, 32), 'hex');
+    }
+
+    export default {
+        name: 'BIP39Generator',
+        mixins: [copyable],
+        data: () => ({
+            buffer: getRandomBuffer(),
+            languageList: Object.keys(bip39.wordlists).filter(k => !k.match(/[A-Z]{2}/)).map(k => ({text: k.split('_').map(k => k.charAt(0).toUpperCase() + k.slice(1)).join(' '), value:k})),
+            language: 'english',
+            rules: {
+                passphrase: [
+                    v => (!!v && bip39.validateMnemonic(v)) || 'Invalid mnemonic.'
+                ],
+                entropy: [
+                    v => (!!v && v.match(/[0-9a-fA-F]{32}/)) || 'Invalid entropy.'
+
+                ]
+            }
+        }),
+        methods:{
+            refresh(){
+                this.buffer = getRandomBuffer();
+            },
+            languageChanged(){
+                bip39.setDefaultWordlist(this.language);
+                this.passphrase = bip39.entropyToMnemonic(this.buffer)
+            }
+        },
+        computed: {
+            entropy: {
+                get() {
+                    return this.buffer.toString('hex')
+                },
+                set(value) {
+                    if(this.$refs.entropy.validate()) {
+                        this.buffer = Buffer.from(value, 'hex')
+                    }
+                }
+            },
+            passphrase: {
+                get() {
+                    return bip39.entropyToMnemonic(this.buffer)
+                },
+                set(value) {
+                    if(this.$refs.passphrase.validate()){
+                        this.buffer = Buffer.from(bip39.mnemonicToEntropy(value), 'hex')
+                    }
+                }
+            }
+        }
+    }
+</script>
+
+<style scoped>
+
+</style>
\ No newline at end of file