diff --git a/docs/notes/command_line.rst b/docs/notes/command_line.rst
index 1deb5edf0..a0e91569b 100644
--- a/docs/notes/command_line.rst
+++ b/docs/notes/command_line.rst
@@ -94,6 +94,15 @@ You can use some thainlp functions directly from command line.
                     word_level:precision 0.8173
                        word_level:recall 0.8314
 
+**Misspell**::
+
+    thainlp misspell --file <input_file> [--seed <seed>] [--misspell-ratio <ratio>] [--output <output_file>]
+
+*Example*::
+
+    $ thainlp misspell --file ./some/data.txt --seed=1 --misspell-ratio 0.05
+    # output file: ./some/data-misspelled-r0.05-seed1.txt
+
 **Help**::
 
     thainlp --help
diff --git a/pythainlp/cli/__init__.py b/pythainlp/cli/__init__.py
index da2b8775c..27edb8708 100644
--- a/pythainlp/cli/__init__.py
+++ b/pythainlp/cli/__init__.py
@@ -12,7 +12,7 @@
 sys.stderr = io.TextIOWrapper(sys.stderr.buffer, encoding="utf-8")
 
 # a command should start with a verb when possible
-COMMANDS = sorted(["data", "soundex", "tag", "tokenize", "benchmark"])
+COMMANDS = sorted(["data", "soundex", "tag", "tokenize", "benchmark", "misspell"])
 
 CLI_NAME = "thainlp"
 
diff --git a/pythainlp/cli/misspell.py b/pythainlp/cli/misspell.py
new file mode 100644
index 000000000..4becb55ed
--- /dev/null
+++ b/pythainlp/cli/misspell.py
@@ -0,0 +1,69 @@
+# -*- coding: utf-8 -*-
+# SPDX-FileCopyrightText: 2016-2025 PyThaiNLP Project
+# SPDX-FileType: SOURCE
+# SPDX-License-Identifier: Apache-2.0
+
+import argparse
+import os
+import random
+
+from pythainlp.tools.misspell import misspell
+
+
+class App:
+    def __init__(self, argv):
+        parser = argparse.ArgumentParser(
+            prog="misspell",
+            description="Generate misspelled texts from a given file.",
+            usage=(
+                "thainlp misspell --file <input_file> [--seed <seed>] "
+                "[--misspell-ratio <ratio>] [--output <output_file>]\n\n"
+                "Example:\n\n"
+                "thainlp misspell --file ./some/data.txt --seed=1 "
+                "--misspell-ratio 0.05\n\n"
+                "--"
+            ),
+        )
+        parser.add_argument(
+            "--file",
+            type=str,
+            required=True,
+            help="Path to the input file",
+        )
+        parser.add_argument(
+            "--seed",
+            type=int,
+            default=None,
+            help="Random seed for reproducibility",
+        )
+        parser.add_argument(
+            "--misspell-ratio",
+            type=float,
+            default=0.05,
+            help="Ratio of misspells per 100 characters",
+        )
+        parser.add_argument(
+            "--output",
+            type=str,
+            default=None,
+            help="Path to the output file",
+        )
+
+        args = parser.parse_args(argv[2:])
+
+        if args.seed is not None:
+            random.seed(args.seed)
+
+        with open(args.file, "r", encoding="utf-8") as f:
+            lines = f.readlines()
+
+        misspelled_lines = [
+            misspell(line, ratio=args.misspell_ratio) for line in lines
+        ]
+
+        if args.output is None:
+            base, ext = os.path.splitext(args.file)
+            args.output = f"{base}-misspelled-r{args.misspell_ratio}-seed{args.seed}{ext}"
+
+        with open(args.output, "w", encoding="utf-8") as f:
+            f.writelines(misspelled_lines)
diff --git a/tests/core/test_cli.py b/tests/core/test_cli.py
index 5fc3ed7f9..e12ce91c4 100644
--- a/tests/core/test_cli.py
+++ b/tests/core/test_cli.py
@@ -11,6 +11,7 @@
 from pythainlp.cli.soundex import App as SoundexApp
 from pythainlp.cli.tag import App as TagApp
 from pythainlp.cli.tokenize import App as TokenizeApp
+from pythainlp.cli.misspell import App as MisspellApp
 
 
 class CliTestCase(unittest.TestCase):
@@ -139,3 +140,25 @@ def test_cli_tokenize(self):
                 ]
             )
         )
+
+    def test_cli_misspell(self):
+        self.assertTrue(hasattr(cli, "misspell"))
+
+        with self.assertRaises(SystemExit) as ex:
+            MisspellApp(["thainlp", "misspell"])
+        self.assertEqual(ex.exception.code, 2)
+
+        self.assertIsNotNone(
+            MisspellApp(
+                [
+                    "thainlp",
+                    "misspell",
+                    "--file",
+                    "./tests/data/text.txt",
+                    "--seed",
+                    "1",
+                    "--misspell-ratio",
+                    "0.05",
+                ]
+            )
+        )
diff --git a/tests/data/text.txt b/tests/data/text.txt
new file mode 100644
index 000000000..bed37d4b4
--- /dev/null
+++ b/tests/data/text.txt
@@ -0,0 +1 @@
+ผมไม่ชอบกินผัก ดังนั้นผมจึงมักจะเลือกทานอาหารที่มีเนื้อสัตว์เป็นส่วนใหญ่ อย่างไรก็ตาม ผมก็รู้ว่าการทานผักมีประโยชน์ต่อสุขภาพ ดังนั้นผมจึงพยายามทานผักบ้างในบางมื้อ แต่ผมก็ยังคงเลือกทานผักที่ผมชอบเท่านั้น อย่างเช่น ถั่วฝักยาว หรือ ถั่วฝักยาว ซึ่งผมคิดว่ามันก็เป็นผักที่อร่อยและมีประโยชน์ด้วย
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