diff --git a/kiauh/extensions/extensions_menu.py b/kiauh/extensions/extensions_menu.py
index e1c0b8e..84fc019 100644
--- a/kiauh/extensions/extensions_menu.py
+++ b/kiauh/extensions/extensions_menu.py
@@ -143,6 +143,31 @@ class ExtensionSubmenu(BaseMenu):
             """
         )[1:]
         menu += f"{description_text}\n"
+
+        # add links if available
+        website: str = (self.extension.metadata.get("website") or "").strip()
+        repo: str = (self.extension.metadata.get("repo") or "").strip()
+        if website or repo:
+            links_lines: List[str] = ["Links:"]
+            if website:
+                links_lines.append(f"- Website: {website}")
+            if repo:
+                links_lines.append(f"- GitHub: {repo}")
+
+            links_text = Logger.format_content(
+                links_lines,
+                line_width,
+                border_left="║",
+                border_right="║",
+            )
+
+            menu += textwrap.dedent(
+                """
+                ╟───────────────────────────────────────────────────────╢
+                """
+            )[1:]
+            menu += f"{links_text}\n"
+
         menu += textwrap.dedent(
             """
             ╟───────────────────────────────────────────────────────╢
diff --git a/kiauh/extensions/octoprint/__init__.py b/kiauh/extensions/octoprint/__init__.py
new file mode 100644
index 0000000..17e0c96
--- /dev/null
+++ b/kiauh/extensions/octoprint/__init__.py
@@ -0,0 +1,22 @@
+# ======================================================================= #
+#  Copyright (C) 2020 - 2025 Dominik Willner <th33xitus@gmail.com>        #
+#                                                                         #
+#  This file is part of KIAUH - Klipper Installation And Update Helper    #
+#  https://github.com/dw-0/kiauh                                          #
+#                                                                         #
+#  This file may be distributed under the terms of the GNU GPLv3 license  #
+# ======================================================================= #
+from pathlib import Path
+
+# Constants
+OP_DEFAULT_PORT = 5000
+
+# OctoPrint instance naming/prefixes
+OP_ENV_PREFIX = "OctoPrint"
+OP_BASEDIR_PREFIX = ".octoprint"
+
+# Service/log filenames
+OP_LOG_NAME = "octoprint.log"
+
+# Files/paths (computed per-instance where applicable)
+OP_SUDOERS_FILE = Path("/etc/sudoers.d/octoprint-shutdown")
diff --git a/kiauh/extensions/octoprint/metadata.json b/kiauh/extensions/octoprint/metadata.json
new file mode 100644
index 0000000..4049ef5
--- /dev/null
+++ b/kiauh/extensions/octoprint/metadata.json
@@ -0,0 +1,18 @@
+{
+  "metadata": {
+    "index": 12,
+    "module": "octoprint_extension",
+    "maintained_by": "dw-0",
+    "display_name": "OctoPrint",
+    "description": [
+      "Open-source web interface to control and monitor your 3D printer",
+      "- Upload and manage G-code, start/pause/cancel prints",
+      "- Live webcam view and timelapse support",
+      "- Real-time temperature graphs and printer status",
+      "- Powerful plugin ecosystem"
+    ],
+    "website": "https://octoprint.org",
+    "repo": "https://github.com/OctoPrint/OctoPrint",
+    "updates": false
+  }
+}
diff --git a/kiauh/extensions/octoprint/octoprint.py b/kiauh/extensions/octoprint/octoprint.py
new file mode 100644
index 0000000..829dd1b
--- /dev/null
+++ b/kiauh/extensions/octoprint/octoprint.py
@@ -0,0 +1,116 @@
+# ======================================================================= #
+#  Copyright (C) 2020 - 2025 Dominik Willner <th33xitus@gmail.com>        #
+#                                                                         #
+#  This file is part of KIAUH - Klipper Installation And Update Helper    #
+#  https://github.com/dw-0/kiauh                                          #
+#                                                                         #
+#  This file may be distributed under the terms of the GNU GPLv3 license  #
+# ======================================================================= #
+from __future__ import annotations
+
+from dataclasses import dataclass, field
+from pathlib import Path
+from textwrap import dedent
+
+from components.klipper.klipper import Klipper
+from core.constants import CURRENT_USER
+from core.instance_manager.base_instance import BaseInstance
+from core.logger import Logger
+from extensions.octoprint import (
+    OP_BASEDIR_PREFIX,
+    OP_ENV_PREFIX,
+    OP_LOG_NAME,
+)
+from utils.fs_utils import create_folders
+from utils.sys_utils import create_service_file, get_service_file_path
+
+
+@dataclass
+class Octoprint:
+    suffix: str
+    base: BaseInstance = field(init=False, repr=False)
+    service_file_path: Path = field(init=False)
+    log_file_name = OP_LOG_NAME
+    env_dir: Path = field(init=False)
+    basedir: Path = field(init=False)
+    cfg_file: Path = field(init=False)
+
+    def __post_init__(self):
+        self.base = BaseInstance(Klipper, self.suffix)
+        self.base.log_file_name = self.log_file_name
+
+        self.service_file_path = get_service_file_path(Octoprint, self.suffix)
+
+        # OctoPrint stores its data under ~/.octoprint[_SUFFIX]
+        self.basedir = (
+            Path.home().joinpath(OP_BASEDIR_PREFIX)
+            if self.suffix == ""
+            else Path.home().joinpath(f"{OP_BASEDIR_PREFIX}_{self.suffix}")
+        )
+        self.cfg_file = self.basedir.joinpath("config.yaml")
+
+        # OctoPrint virtualenv lives under ~/OctoPrint[_SUFFIX]
+        self.env_dir = (
+            Path.home().joinpath(OP_ENV_PREFIX)
+            if self.suffix == ""
+            else Path.home().joinpath(f"{OP_ENV_PREFIX}_{self.suffix}")
+        )
+
+    def create(self, port: int) -> None:
+        Logger.print_status(
+            f"Creating OctoPrint instance '{self.service_file_path.stem}' ..."
+        )
+
+        # Ensure basedir exists and config.yaml is present
+        create_folders([self.basedir])
+        if not self.cfg_file.exists():
+            Logger.print_status("Creating config.yaml ...")
+            self.cfg_file.write_text(self._prep_config_yaml())
+            Logger.print_ok("config.yaml created!")
+        else:
+            Logger.print_info("config.yaml already exists. Skipped ...")
+
+        create_service_file(self.service_file_path.name, self._prep_service_content(port))
+
+    def _prep_service_content(self, port: int) -> str:
+        basedir = self.basedir.as_posix()
+        cfg = self.cfg_file.as_posix()
+        octo_exec = self.env_dir.joinpath("bin/octoprint").as_posix()
+
+        return dedent(
+            f"""\
+            [Unit]
+            Description=Starts OctoPrint on startup
+            After=network-online.target
+            Wants=network-online.target
+
+            [Service]
+            Environment="LC_ALL=C.UTF-8"
+            Environment="LANG=C.UTF-8"
+            Type=simple
+            User={CURRENT_USER}
+            ExecStart={octo_exec} --basedir {basedir} --config {cfg} --port={port} serve
+
+            [Install]
+            WantedBy=multi-user.target
+            """
+        )
+
+    def _prep_config_yaml(self) -> str:
+        printer = self.base.comms_dir.joinpath("klippy.serial").as_posix()
+        restart_service = self.service_file_path.stem
+
+        return dedent(
+            f"""\
+            serial:
+                additionalPorts:
+                - {printer}
+                disconnectOnErrors: false
+                port: {printer}
+            server:
+                commands:
+                    serverRestartCommand: sudo service {restart_service} restart
+                    systemRestartCommand: sudo shutdown -r now
+                    systemShutdownCommand: sudo shutdown -h now
+            """
+        )
diff --git a/kiauh/extensions/octoprint/octoprint_extension.py b/kiauh/extensions/octoprint/octoprint_extension.py
new file mode 100644
index 0000000..e6ec720
--- /dev/null
+++ b/kiauh/extensions/octoprint/octoprint_extension.py
@@ -0,0 +1,286 @@
+# ======================================================================= #
+#  Copyright (C) 2020 - 2025 Dominik Willner <th33xitus@gmail.com>        #
+#                                                                         #
+#  This file is part of KIAUH - Klipper Installation And Update Helper    #
+#  https://github.com/dw-0/kiauh                                          #
+#                                                                         #
+#  This file may be distributed under the terms of the GNU GPLv3 license  #
+# ======================================================================= #
+from __future__ import annotations
+
+import re
+from typing import Dict, List, Optional, Set
+
+from components.klipper.klipper import Klipper
+from core.instance_manager.instance_manager import InstanceManager
+from core.logger import DialogType, Logger
+from core.types.color import Color
+from core.menus.base_menu import print_back_footer
+from extensions.base_extension import BaseExtension
+from extensions.octoprint import (
+    OP_SUDOERS_FILE, OP_DEFAULT_PORT,
+)
+from extensions.octoprint.octoprint import Octoprint
+from utils.common import check_install_dependencies
+from utils.fs_utils import run_remove_routines, remove_with_sudo
+from utils.input_utils import get_selection_input, get_confirm
+from utils.instance_utils import get_instances
+from utils.sys_utils import (
+    create_python_venv,
+    get_ipv4_addr,
+    install_python_packages,
+)
+
+
+# noinspection PyMethodMayBeStatic
+class OctoprintExtension(BaseExtension):
+    def install_extension(self, **kwargs) -> None:
+        Logger.print_status("Installing OctoPrint ...")
+
+        klipper_instances: List[Klipper] = get_instances(Klipper)
+        if not klipper_instances:
+            Logger.print_dialog(
+                DialogType.WARNING,
+                [
+                    "Klipper not found! Please install Klipper first.",
+                ],
+            )
+            return
+
+        existing_ops: List[Octoprint] = get_instances(Octoprint)
+        existing_by_suffix: Dict[str, Octoprint] = {op.suffix: op for op in existing_ops}
+        candidates: List[Klipper] = [k for k in klipper_instances if k.suffix not in existing_by_suffix]
+
+        chosen: List[Klipper] = []
+
+        if len(klipper_instances) == 1:
+            k = klipper_instances[0]
+            if k.suffix in existing_by_suffix:
+                if not get_confirm(
+                    f"OctoPrint already exists for '{k.service_file_path.stem}'. Reinstall?",
+                    default_choice=True,
+                    allow_go_back=True,
+                ):
+                    Logger.print_info("Aborted OctoPrint installation.")
+                    return
+            chosen = [k]
+        else:
+            while True:
+                dialog = "╔═══════════════════════════════════════════════════════╗\n"
+                headline = Color.apply(
+                    "The following Klipper instances were found:", Color.GREEN
+                )
+                dialog += f"║{headline:^64}║\n"
+                dialog += "╟───────────────────────────────────────────────────────╢\n"
+
+                if candidates:
+                    line_all = Color.apply("a) Select all (install for all missing)", Color.YELLOW)
+                    dialog += f"║ {line_all:<63}║\n"
+                    dialog += "║                                                       ║\n"
+
+                index_map: Dict[str, Klipper] = {}
+                for i, k in enumerate(klipper_instances, start=1):
+                    mapping = existing_by_suffix.get(k.suffix)
+                    suffix = f" <-> {mapping.service_file_path.stem}" if mapping else ""
+                    line = Color.apply(f"{i}) {k.service_file_path.stem}{suffix}", Color.CYAN)
+                    dialog += f"║ {line:<63}║\n"
+                    index_map[str(i)] = k
+
+                dialog += "╟───────────────────────────────────────────────────────╢\n"
+                print(dialog, end="")
+                print_back_footer()
+
+                allowed = list(index_map.keys()) + ["b"] + (["a"] if candidates else [])
+                choice = get_selection_input("Choose instance to install OctoPrint for", allowed)
+
+                if choice == "b":
+                    Logger.print_info("Aborted OctoPrint installation.")
+                    return
+                if choice == "a":
+                    chosen = candidates
+                    break
+
+                selected = index_map[choice]
+                if selected.suffix in existing_by_suffix:
+                    confirm = get_confirm(
+                        f"OctoPrint already exists for '{selected.service_file_path.stem}'. Reinstall?",
+                        default_choice=True,
+                        allow_go_back=True,
+                    )
+                    if not confirm:
+                        # back to menu
+                        continue
+                chosen = [selected]
+                break
+
+        deps = {
+            "git",
+            "wget",
+            "python3-pip",
+            "python3-dev",
+            "libyaml-dev",
+            "build-essential",
+            "python3-setuptools",
+            "python3-virtualenv",
+        }
+        check_install_dependencies(deps)
+
+        # Determine used ports from existing OctoPrint services and prepare regex
+        used_ports: Set[int] = set()
+        port_re = re.compile(r"--port=(\d+)")
+        for op in existing_ops:
+            try:
+                content = op.service_file_path.read_text()
+                m = port_re.search(content)
+                if m:
+                    used_ports.add(int(m.group(1)))
+            except OSError:
+                pass
+
+        # noinspection PyShadowingNames
+        def read_existing_port(suffix: str) -> Optional[int]:
+            op = existing_by_suffix.get(suffix)
+            if not op:
+                return None
+            try:
+                content = op.service_file_path.read_text()
+                m = port_re.search(content)
+                return int(m.group(1)) if m else None
+            except OSError:
+                return None
+
+        def next_free_port(start: int, used: Set[int]) -> int:
+            p = start
+            while p in used:
+                p += 1
+            used.add(p)
+            return p
+
+        created_ops: List[Octoprint] = []
+        for k in chosen:
+            # Keep existing port on reinstall, otherwise assign next free one
+            existing_port = read_existing_port(k.suffix)
+            port = existing_port if existing_port is not None else next_free_port(OP_DEFAULT_PORT, used_ports)
+
+            instance = Octoprint(suffix=k.suffix)
+
+            if create_python_venv(instance.env_dir, force=False):
+                Logger.print_ok(
+                    f"Virtualenv created: {instance.env_dir}", prefix=False
+                )
+            else:
+                Logger.print_info(
+                    f"Virtualenv exists: {instance.env_dir}. Skipping creation ..."
+                )
+
+            install_python_packages(instance.env_dir, ["octoprint"])
+
+            instance.create(port=port)
+            created_ops.append(instance)
+
+        for inst in created_ops:
+            try:
+                InstanceManager.enable(inst)
+                InstanceManager.start(inst)
+            except Exception as e:
+                Logger.print_error(
+                    f"Failed to enable/start {inst.service_file_path.name}: {e}"
+                )
+
+        ip = get_ipv4_addr()
+        lines = ["Access your new OctoPrint instance(s) at:"]
+        for inst in created_ops:
+            try:
+                content = inst.service_file_path.read_text()
+                m = port_re.search(content)
+                if m:
+                    # noinspection HttpUrlsUsage
+                    lines.append(f"● {inst.service_file_path.stem}: http://{ip}:{m.group(1)}")
+            except OSError:
+                pass
+
+        Logger.print_dialog(DialogType.SUCCESS, lines, center_content=False)
+
+    def remove_extension(self, **kwargs) -> None:
+        Logger.print_status("Removing OctoPrint ...")
+
+        try:
+            op_instances: List[Octoprint] = get_instances(Octoprint)
+            if not op_instances:
+                Logger.print_info("No OctoPrint instances found. Skipped ...")
+                return
+
+            remove_all = False
+            if len(op_instances) == 1:
+                to_remove = op_instances
+            else:
+                dialog = "╔═══════════════════════════════════════════════════════╗\n"
+                headline = Color.apply(
+                    "The following OctoPrint instances were found:", Color.GREEN
+                )
+                dialog += f"║{headline:^64}║\n"
+                dialog += "╟───────────────────────────────────────────────────────╢\n"
+                select_all = Color.apply("a) Select all", Color.YELLOW)
+                dialog += f"║ {select_all:<63}║\n"
+                dialog += "║                                                       ║\n"
+
+                for i, inst in enumerate(op_instances, start=1):
+                    line = Color.apply(
+                        f"{i}) {inst.service_file_path.stem}", Color.CYAN
+                    )
+                    dialog += f"║ {line:<63}║\n"
+                dialog += "╟───────────────────────────────────────────────────────╢\n"
+                print(dialog, end="")
+                print_back_footer()
+
+                allowed = [str(i) for i in range(1, len(op_instances) + 1)]
+                allowed.extend(["a", "b"])
+                choice = get_selection_input("Choose instance to remove", allowed)
+
+                if choice == "a":
+                    remove_all = True
+                    to_remove = op_instances
+                elif choice == "b":
+                    Logger.print_info("Aborted OctoPrint removal.")
+                    return
+                else:
+                    idx = int(choice) - 1
+                    to_remove = [op_instances[idx]]
+
+            for inst in to_remove:
+                Logger.print_status(
+                    f"Removing instance {inst.service_file_path.stem} ..."
+                )
+                try:
+                    InstanceManager.remove(inst)
+                except Exception as e:
+                    Logger.print_error(
+                        f"Failed to remove service {inst.service_file_path.name}: {e}"
+                    )
+
+                # Remove only this instance's env and basedir
+                if inst.env_dir.exists():
+                    Logger.print_status(f"Removing {inst.env_dir} ...")
+                    run_remove_routines(inst.env_dir)
+                if inst.basedir.exists():
+                    Logger.print_status(f"Removing {inst.basedir} ...")
+                    run_remove_routines(inst.basedir)
+
+            # Remove sudoers file only if no instances remain
+            remaining = get_instances(Octoprint)
+            if not remaining and OP_SUDOERS_FILE.exists():
+                Logger.print_status(f"Removing {OP_SUDOERS_FILE} ...")
+                remove_with_sudo(OP_SUDOERS_FILE)
+
+            Logger.print_dialog(
+                DialogType.SUCCESS,
+                [
+                    "Selected OctoPrint instance(s) successfully removed!"
+                    if not remove_all
+                    else "All OctoPrint instances successfully removed!",
+                ],
+                center_content=True,
+            )
+
+        except Exception as e:
+            Logger.print_error(f"Error during OctoPrint removal: {e}")
diff --git a/kiauh/utils/instance_type.py b/kiauh/utils/instance_type.py
index 99f963c..cd7bf31 100644
--- a/kiauh/utils/instance_type.py
+++ b/kiauh/utils/instance_type.py
@@ -15,6 +15,7 @@ from extensions.obico.moonraker_obico import MoonrakerObico
 from extensions.octoeverywhere.octoeverywhere import Octoeverywhere
 from extensions.octoapp.octoapp import Octoapp
 from extensions.telegram_bot.moonraker_telegram_bot import MoonrakerTelegramBot
+from extensions.octoprint.octoprint import Octoprint
 
 InstanceType = TypeVar(
     "InstanceType",
@@ -24,4 +25,5 @@ InstanceType = TypeVar(
     MoonrakerObico,
     Octoeverywhere,
     Octoapp,
+    Octoprint,
 )