diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..27df642
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,25 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Debug Current Test File",
+      "autoAttachChildProcesses": true,
+      "skipFiles": [
+        "<node_internals>/**",
+        "**/node_modules/**"
+      ],
+      "program": "${workspaceRoot}/node_modules/vitest/vitest.mjs",
+      "args": [
+        "run",
+        "${relativeFile}"
+      ],
+      "smartStep": true,
+      "console": "integratedTerminal"
+    }
+  ]
+}
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..5c8d9a1
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 Fityandhiya Islam Nugroho <fityannugroho@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
index cea4328..e6832c7 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Wisely
 
-Replace sensitive phrases with special characters to avoid bans. Everyone is free to speak as long as they do so **wisely**.
+Obfuscating text or phrases with random uncommon characters to avoid banning. Everyone is free to speak as long as they do so **wisely**.
 
 ## Prerequisites
 
@@ -20,11 +20,11 @@ import wisely from 'wisely';
 
 const text = 'Palestine will be free! Freedom is the right of ALL nations!';
 
-// Replace the whole text
+// Obscuring the whole text
 await wisely({ text });
 // Output: P@l3$t|n3 w!ll 83 fr33! Fr33d0m |$ t#3 r!6#t 0f @LL n4t|0n5!
 
-// Only replace the specified phrases
+// Only obscures the specified phrases
 await wisely({ text, phrases: ['palestine', 'free'] });
 // Output: P4l35t1n3 will be fr33! Freedom is the right of ALL nations!
 ```
@@ -33,7 +33,7 @@ await wisely({ text, phrases: ['palestine', 'free'] });
 
 ### wisely(options)
 
-Returns a `Promise` that resolves to a `string` with the replaced text.
+Returns a `Promise` that resolves to a `string` with the obsfucated text.
 
 #### options
 
@@ -44,34 +44,43 @@ Type: `object`
 Type: `string`
 Required: `true`
 
-The text to be replaced.
+The text to be obscured.
 
 ##### phrases
 
 Type: `string[]` \
 Required: `false`
 
-The specific phrases to be replaced. If not specified, the whole text will be replaced.
+The specific phrases to be obscured. If not specified, the whole text will be obscured.
 
 ##### caseSensitive
 
 Type: `boolean` \
 Default: `false`
 
-Whether to replace the phrases in a case-sensitive manner.
+Whether to obscure in a case-sensitive manner.
 
 ##### charSet
 
 Type: `string` \
 Default: `'latin'` \
-Values: `'latin'`
+Values: `'latin'` | `'latin-1'`
 
-The character set to be used for replacing. Currently, only the [Basic Latin](https://unicodeplus.com/block/0000) is supported.
+The character set that will be used for obfuscation.
 
-> In the future, we will add support for more character sets to improve the variety of the replaced text. Also, we will add support to define custom character sets.
+> In the future, we will add support for more character sets to improve the variety of the obsfucated text. Also, we will add support to define custom character sets.
 
 ## Support This Project
 
 Give a ⭐️ if this project helped you!
 
 Also please consider supporting this project by **becoming a sponsor**. Your donation will help us to maintain and develop this project and provide you with better support.
+
+## Character Sets
+
+Below is the built-in character sets available. See the details of each character set in the [charsets](./charsets) directory.
+
+| `charSet` | Block Name | Block Range |
+| ---- | --------- | ----- |
+| `latin` | [Basic Latin](https://unicodeplus.com/block/0000) | \u0000 - \u007f |
+| `latin-1` | [Latin-1 Supplement](https://unicodeplus.com/block/0080) | \u0080 - \u00ff |
diff --git a/charsets/latin-1.json b/charsets/latin-1.json
new file mode 100644
index 0000000..1014c83
--- /dev/null
+++ b/charsets/latin-1.json
@@ -0,0 +1,25 @@
+{
+  "A": ["\u00c0", "\u00c1", "\u00c2", "\u00c3", "\u00c4", "\u00c5"],
+  "a": ["\u00e0", "\u00e1", "\u00e2", "\u00e3", "\u00e4", "\u00e5", "\u00aa"],
+  "B": ["\u00df"],
+  "C": ["\u00a2", "\u00a9", "\u00c7"],
+  "c": ["\u00e7"],
+  "D": ["\u00d0"],
+  "E": ["\u00a3", "\u00c8", "\u00c9", "\u00ca", "\u00cb"],
+  "e": ["\u00e8", "\u00e9", "\u00ea", "\u00eb"],
+  "I": ["\u00cc", "\u00cd", "\u00ce", "\u00cf"],
+  "i": ["\u00a1", "\u00ec", "\u00ed", "\u00ee", "\u00ef"],
+  "N": ["\u00d1"],
+  "n": ["\u00f1"],
+  "O": ["\u00d2", "\u00d3", "\u00d4", "\u00d5", "\u00d6", "\u00d8"],
+  "o": ["\u00ba", "\u00f2", "\u00f3", "\u00f4", "\u00f5", "\u00f6", "\u00f8"],
+  "P": ["\u00b6"],
+  "p": ["\u00de"],
+  "R": ["\u00ae"],
+  "S": ["\u00a7"],
+  "U": ["\u00d9", "\u00da", "\u00db", "\u00dc"],
+  "u": ["\u00f9", "\u00fa", "\u00fb", "\u00fc"],
+  "x": ["\u00d7"],
+  "Y": ["\u00a5", "\u00dd"],
+  "y": ["\u00fd", "\u00ff"]
+}
diff --git a/src/charsets/latin.json b/charsets/latin.json
similarity index 100%
rename from src/charsets/latin.json
rename to charsets/latin.json
diff --git a/package.json b/package.json
index a65aef7..977bbe4 100644
--- a/package.json
+++ b/package.json
@@ -1,10 +1,14 @@
 {
   "name": "wisely",
   "version": "0.1.0",
-  "description": "Replace sensitive phrases with special characters to avoid bans.",
+  "description": "Obfuscating text or phrases with random uncommon characters to avoid banning.",
   "type": "module",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
+  "files": [
+    "charsets/",
+    "dist/"
+  ],
   "scripts": {
     "lint": "eslint .",
     "lint:fix": "eslint . --fix",
@@ -21,8 +25,11 @@
   "keywords": [
     "ban",
     "filter",
+    "random",
     "regex",
     "obsfucation",
+    "obfuscate",
+    "obscure",
     "string",
     "text",
     "unicode",
diff --git a/src/index.ts b/src/index.ts
index 4950c5c..5b5a45d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,8 +1,8 @@
-export type CharSetNames = 'latin';
+export type CharSetNames = 'latin' | 'latin-1';
 export type CharSet = Record<string, string[] | undefined>;
 
 async function getCharSet(name: CharSetNames = 'latin'): Promise<CharSet> {
-  return import(`./charsets/${name}.json`) as Promise<CharSet>;
+  return import(`../charsets/${name}.json`) as Promise<CharSet>;
 }
 
 function getChar(char: string, charSet: CharSet, caseSensitive?: boolean) {
@@ -33,7 +33,7 @@ export default async function wisely(options: Options): Promise<string> {
     .map((char) => getChar(char, charSet, options.caseSensitive))
     .join('');
 
-  if (!options.phrases?.length) {
+  if (!options.phrases) {
     return censor(options.text);
   }
 
diff --git a/test/index.spec.ts b/test/index.spec.ts
index 7e88c50..3938307 100644
--- a/test/index.spec.ts
+++ b/test/index.spec.ts
@@ -10,6 +10,7 @@ describe('wisely', () => {
     expect(result).not.equal('');
     expect(result).not.equal(text);
     expect(result).not.contain('will be');
+    expect(result).toHaveLength(text.length);
   });
 
   test.each([
@@ -22,6 +23,7 @@ describe('wisely', () => {
 
     expect(result).contain(unaffected);
     expect(result).not.match(new RegExp(`\\b${phrase}\\b`, 'i'));
+    expect(result).toHaveLength(text.length);
   });
 
   test.each([
@@ -37,9 +39,35 @@ describe('wisely', () => {
     notContains.split('').forEach((char) => {
       expect(result).not.contain(char);
     });
+
+    expect(result).toHaveLength(testText.length);
   });
 
   test('no phrases found in the text', async () => {
     expect(await wisely({ text, phrases: ['foo'] })).toEqual(text);
   });
+
+  test('empty text', async () => {
+    expect(await wisely({ text: '' })).toEqual('');
+  });
+
+  test('empty phrases', async () => {
+    expect(await wisely({ text, phrases: [] })).toEqual(text);
+  });
+
+  test.each([
+    { testText: 'AaBbCcDdXxZz', contains: '\u00df\u00d7Zz', notContains: 'AaBbCcDdXx' },
+  ])('with specific charSet (latin-1): $testText', async ({ testText, contains, notContains }) => {
+    const result = await wisely({ text: testText, charSet: 'latin-1' });
+
+    contains.split('').forEach((char) => {
+      expect(result).contain(char);
+    });
+
+    notContains.split('').forEach((char) => {
+      expect(result).not.contain(char);
+    });
+
+    expect(result).toHaveLength(testText.length);
+  });
 });