diff --git a/TTS/OhFreeMe.py b/TTS/OhFreeMe.py
new file mode 100644
index 0000000..2ec225f
--- /dev/null
+++ b/TTS/OhFreeMe.py
@@ -0,0 +1,183 @@
+import base64
+import json
+import random
+import time
+from pathlib import Path
+
+import requests
+
+from utils import settings
+from utils.console import print_substep
+
+API_URL = "https://tts.ohfree.me/api/tts"
+# JWT token for authentication (replace if needed)
+VOICES_FILE = Path(__file__).resolve().parent.parent / "config" / "ohfreeme_voices.json"
+MAX_RETRIES = 3
+RATE_LIMIT_WAIT = 10
+
+
+def _load_voices() -> list[dict]:
+    # existing function unchanged
+
+    # existing function unchanged
+
+    try:
+        with open(VOICES_FILE, "r", encoding="utf-8") as f:
+            return json.load(f)
+    except (FileNotFoundError, json.JSONDecodeError) as e:
+        print_substep(f"Warning: Could not load voices from {VOICES_FILE}: {e}", style="yellow")
+        return []
+
+
+class OhFreeMe:
+    # Load list of User‑Agent strings for random header
+    _user_agents = None
+
+    def _load_user_agents(self) -> list[str]:
+        """Read user_agents.json and cache result.
+        Returns empty list on failure and logs warning.
+        """
+        if self._user_agents is not None:
+            return self._user_agents
+        try:
+            agents_path = Path(__file__).resolve().parent.parent / "config" / "user_agents.json"
+            with open(agents_path, "r", encoding="utf-8") as f:
+                self._user_agents = json.load(f)
+        except Exception as e:
+            print_substep(f"Warning: Could not load user agents: {e}", style="yellow")
+            self._user_agents = []
+        return self._user_agents
+
+    def _pick_user_agent(self) -> str:
+        """Return a random User‑Agent string from loaded list.
+        Falls back to generic UA on empty list.
+        """
+        agents = self._load_user_agents()
+        if agents:
+            return random.choice(agents)
+        return "Mozilla/5.0"
+
+    def __init__(self):
+        self.max_chars = 2500
+        self.voices = _load_voices()
+
+    def run(self, text, filepath, random_voice: bool = False):
+        voice = self._pick_voice(random_voice)
+        audio_bytes = self._call_api(text, voice["id"])
+        with open(filepath, "wb") as f:
+            f.write(audio_bytes)
+
+    def randomvoice(self) -> dict:
+        lang = settings.config["settings"]["tts"].get("ohfreeme_lang", "vi")
+        filtered = [v for v in self.voices if v["lang"] == lang]
+        if not filtered:
+            filtered = self.voices
+        return random.choice(filtered)
+
+    def _pick_voice(self, random_voice: bool) -> dict:
+        if random_voice:
+            return self.randomvoice()
+        lang = settings.config["settings"]["tts"].get("ohfreeme_lang", "vi")
+        gender = settings.config["settings"]["tts"].get("ohfreeme_gender", "random")
+        candidates = [v for v in self.voices if v["lang"] == lang]
+        if gender != "random":
+            candidates = [v for v in candidates if v["gender"] == gender]
+        if not candidates:
+            candidates = self.voices
+        return random.choice(candidates)
+
+    def _call_api(self, text: str, voice_id: int) -> bytes:
+        payload = {
+            "text": text,
+            "id": voice_id,
+            "useEnhance": settings.config["settings"]["tts"].get("ohfreeme_enhance", False),
+            "rate": settings.config["settings"]["tts"].get("ohfreeme_rate", 1),
+            "pitch": settings.config["settings"]["tts"].get("ohfreeme_pitch", 0),
+        }
+        headers = {
+            "accept": "*/*",
+            "cache-control": "no-cache",
+            "content-type": "application/json",
+            "origin": "https://tts.ohfree.me",
+            "cookie": f"auth_token={JWT_TOKEN}",
+            "referer": "https://tts.ohfree.me/",
+            "user-agent": self._pick_user_agent(),
+        }
+
+        # streaming NDJSON response with debug logging
+        raw_response = b""
+        for attempt in range(MAX_RETRIES):
+            resp = requests.post(API_URL, json=payload, headers=headers, stream=True)
+            # Rate‑limit handling – first line may contain error object
+            try:
+                first_line = next(resp.iter_lines())
+                # first_line is bytes; decode for JSON parsing
+                parsed = json.loads(first_line.decode('utf-8'))
+                # debug: show parsed first line
+                print_substep(f"[OhFreeMe debug] First line parsed: {parsed}", style="blue")
+                if parsed.get("status") == "error" and "Too many requests" in parsed.get("message", ""):
+                    print_substep(
+                        f"  Rate limited, waiting {RATE_LIMIT_WAIT}s... (attempt {attempt + 1}/{MAX_RETRIES})",
+                        style="yellow",
+                    )
+                    time.sleep(RATE_LIMIT_WAIT)
+                    continue
+                raw_response += first_line
+            except (StopIteration, json.JSONDecodeError):
+                pass
+
+            # iterate remaining chunks until done
+            for line in resp.iter_lines():
+                if not line:
+                    continue
+                raw_response += line
+                # debug: print raw line (decoded) to terminal
+                try:
+                    decoded_line = line.decode('utf-8')
+                    print_substep(f"[OhFreeMe debug] Received line: {decoded_line}", style="blue")
+                except Exception:
+                    pass
+                # check for error object (e.g., server overload)
+                try:
+                    obj = json.loads(line.decode('utf-8'))
+                    if obj.get('status') == 'error':
+                        raise RuntimeError(f"OhFreeMe API error: {obj.get('message', 'unknown')}")
+                except json.JSONDecodeError:
+                    pass
+                if b'"status":"done"' in line:
+                    break
+            if b'"status":"done"' in raw_response:
+                # decode to str for _extract_audio
+                return self._extract_audio(raw_response.decode('utf-8'))
+
+        raise RuntimeError(f"OhFreeMe TTS failed after {MAX_RETRIES} retries (rate limited)")
+
+    def _extract_audio(self, raw: str) -> bytes:
+        # API returns multiple JSON objects concatenated, e.g.:
+        # {"status":"audio_chunk","chunk":"..."}{"status":"done","url":"data:audio/mpeg;base64,..."}
+        decoder = json.JSONDecoder()
+        pos = 0
+        audio_b64 = None
+
+        while pos < len(raw):
+            # Skip whitespace
+            while pos < len(raw) and raw[pos].isspace():
+                pos += 1
+            if pos >= len(raw):
+                break
+
+            obj, end = decoder.raw_decode(raw, pos)
+            pos = end
+
+            if obj.get("status") == "done" and "url" in obj:
+                url = obj["url"]
+                # url format: "data:audio/mpeg;base64,<base64data>"
+                if url.startswith("data:") and ";base64," in url:
+                    b64_part = url.split(";base64,", 1)[1]
+                    audio_b64 = b64_part
+                break
+
+        if not audio_b64:
+            raise RuntimeError(f"Could not extract audio from API response")
+
+        return base64.b64decode(audio_b64)
diff --git a/config/ohfreeme_voices.json b/config/ohfreeme_voices.json
new file mode 100644
index 0000000..49d3af2
--- /dev/null
+++ b/config/ohfreeme_voices.json
@@ -0,0 +1,74 @@
+[
+  {
+    "id": 573,
+    "name": "Lý Hải",
+    "gender": "male",
+    "lang": "vi"
+  },
+  {
+    "id": 962,
+    "name": "Lê Quốc Khánh",
+    "gender": "male",
+    "lang": "vi"
+  },
+  {
+    "id": 1543,
+    "name": "Nguyễn Lam Anh",
+    "gender": "male",
+    "lang": "vi"
+  },
+  {
+    "id": 510,
+    "name": "Nguyễn Ngân",
+    "gender": "female",
+    "lang": "vi"
+  },
+  {
+    "id": 524,
+    "name": "Nguyễn Huyền Trang",
+    "gender": "female",
+    "lang": "vi"
+  },
+  {
+    "id": 1601,
+    "name": "Nguyễn Thu Huyền",
+    "gender": "female",
+    "lang": "vi"
+  },
+  {
+    "id": 713,
+    "name": "Harper Lee",
+    "gender": "female",
+    "lang": "en"
+  },
+  {
+    "id": 551,
+    "name": "Diana Prince",
+    "gender": "female",
+    "lang": "en"
+  },
+  {
+    "id": 942,
+    "name": "Sophie Blake",
+    "gender": "female",
+    "lang": "en"
+  },
+  {
+    "id": 597,
+    "name": "Tom Holland",
+    "gender": "male",
+    "lang": "en"
+  },
+  {
+    "id": 1371,
+    "name": "Jack Sparrow",
+    "gender": "male",
+    "lang": "en"
+  },
+  {
+    "id": 7,
+    "name": "Patrick O'Cornor",
+    "gender": "male",
+    "lang": "en"
+  }
+]
\ No newline at end of file
diff --git a/config/user_agents.json b/config/user_agents.json
new file mode 100644
index 0000000..f0b0ec0
--- /dev/null
+++ b/config/user_agents.json
@@ -0,0 +1,7 @@
+[
+  "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
+  "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Safari/605.1.15",
+  "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
+  "Mozilla/5.0 (iPhone; CPU iPhone OS 17_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0 Mobile/15E148 Safari/604.1",
+  "Mozilla/5.0 (iPad; CPU OS 17_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0 Mobile/15E148 Safari/604.1"
+]
\ No newline at end of file
diff --git a/manual/tts_processor.py b/manual/tts_processor.py
index 0ee0272..8d7281e 100644
--- a/manual/tts_processor.py
+++ b/manual/tts_processor.py
@@ -9,6 +9,7 @@ Reuses TTS engines from TTS/ module — no code duplication.
 """
 
 import re
+import time
 from pathlib import Path
 from typing import Tuple
 
@@ -121,6 +122,10 @@ class ManualTTSProcessor:
             total_duration += duration
             processed_count += 1
 
+            # Sleep 10s between TTS generation
+            print_substep("  💤 Sleeping 10s...", style="dim")
+            time.sleep(10)
+
             print_substep(
                 f"  ✓ #{idx} → {duration:.1f}s (TTS generated, {len(clean_text)} chars)",
                 style="green",
@@ -149,6 +154,7 @@ class ManualTTSProcessor:
         Reuses the TTS engines from video_creation/voices.py
         """
         from TTS.GTTS import GTTS
+        from TTS.OhFreeMe import OhFreeMe
         from TTS.TikTok import TikTok
         from TTS.aws_polly import AWSPolly
         from TTS.elevenlabs import elevenlabs
@@ -158,6 +164,7 @@ class ManualTTSProcessor:
 
         providers = {
             "googletranslate": GTTS,
+            "ohfreeme": OhFreeMe,
             "awspolly": AWSPolly,
             "streamlabspolly": StreamlabsPolly,
             "tiktok": TikTok,
diff --git a/manual_main.py b/manual_main.py
index 31c0023..4e351e1 100644
--- a/manual_main.py
+++ b/manual_main.py
@@ -101,7 +101,7 @@ _BASE_SETTINGS_DEFAULTS = {
             "background_thumbnail_font_color": "255,255,255",
         },
         "tts": {
-            "voice_choice": "googletranslate",
+            "voice_choice": "ohfreeme",
             "random_voice": False,
             "elevenlabs_voice_name": "Bella",
             "elevenlabs_api_key": "",
@@ -117,6 +117,11 @@ _BASE_SETTINGS_DEFAULTS = {
             "openai_api_key": "",
             "openai_voice_name": "alloy",
             "openai_model": "tts-1",
+            "ohfreeme_lang": "vi",
+            "ohfreeme_gender": "random",
+            "ohfreeme_rate": 1,
+            "ohfreeme_pitch": 0,
+            "ohfreeme_enhance": False,
         },
     },
 }
@@ -375,6 +380,9 @@ def build_parser() -> argparse.ArgumentParser:
     render_parser.add_argument(
         "--force", action="store_true", help="Re-render even if already done"
     )
+    render_parser.add_argument(
+        "--lang", type=str, default="vi", help="Override TTS language (e.g. vi, en)"
+    )
 
     # list command
     subparsers.add_parser("list", help="List all posts and their status")