diff --git a/lib/livebook/evaluator/io_proxy.ex b/lib/livebook/evaluator/io_proxy.ex
index 082775979..10457a38a 100644
--- a/lib/livebook/evaluator/io_proxy.ex
+++ b/lib/livebook/evaluator/io_proxy.ex
@@ -131,12 +131,12 @@ defmodule Livebook.Evaluator.IOProxy do
     put_chars(encoding, apply(mod, fun, args), req, state)
   end
 
-  defp io_request({:get_chars, _prompt, count}, state) when count >= 0 do
-    {{:error, :enotsup}, state}
+  defp io_request({:get_chars, prompt, count}, state) when count >= 0 do
+    get_chars(:latin1, prompt, state, count)
   end
 
-  defp io_request({:get_chars, _encoding, _prompt, count}, state) when count >= 0 do
-    {{:error, :enotsup}, state}
+  defp io_request({:get_chars, encoding, prompt, count}, state) when count >= 0 do
+    get_chars(encoding, prompt, state, count)
   end
 
   defp io_request({:get_line, prompt}, state) do
@@ -249,6 +249,21 @@ defmodule Livebook.Evaluator.IOProxy do
     end
   end
 
+  defp get_chars(encoding, prompt, state, count) do
+    prompt = :unicode.characters_to_binary(prompt, encoding, state.encoding)
+
+    case get_input(prompt, state) do
+      input when is_binary(input) ->
+        {chars, rest} = chars_from_input(input, encoding, count)
+
+        state = put_in(state.input_buffers[prompt], rest)
+        {chars, state}
+
+      error ->
+        {error, state}
+    end
+  end
+
   defp get_input(prompt, state) do
     Map.get_lazy(state.input_buffers, prompt, fn ->
       request_input(prompt, state)
@@ -289,6 +304,55 @@ defmodule Livebook.Evaluator.IOProxy do
     end
   end
 
+  defp chars_from_input("", _, _count), do: {:eof, ""}
+
+  defp chars_from_input(input, :unicode, count) do
+    if byte_size_utf8(input) >= count do
+      chars_part(input, :unicode, count)
+    else
+      {input, ""}
+    end
+  end
+
+  defp chars_from_input(input, :latin1, count) do
+    if byte_size(input) >= count do
+      chars_part(input, :latin1, count)
+    else
+      {input, ""}
+    end
+  end
+
+  defp chars_part(chars, _, 0), do: {"", chars}
+
+  defp chars_part(input, :unicode, count) do
+    with {:ok, count} <- split_at(input, count, 0) do
+      <<chars::binary-size(count), rest::binary>> = input
+      {chars, rest}
+    end
+  end
+
+  defp chars_part(input, :latin1, count) do
+    <<chars::binary-size(count), rest::binary>> = input
+    {chars, rest}
+  end
+
+  defp split_at(_, 0, acc), do: {:ok, acc}
+
+  defp split_at(<<h::utf8, t::binary>>, count, acc),
+    do: split_at(t, count - 1, acc + byte_size(<<h::utf8>>))
+
+  defp split_at(<<_, _::binary>>, _count, _acc),
+    do: {:error, :invalid_unicode}
+
+  defp split_at(<<>>, _count, acc),
+    do: {:ok, acc}
+
+  defp byte_size_utf8(chars), do: byte_size_utf8(chars, 0)
+
+  defp byte_size_utf8(<<>>, size), do: size
+
+  defp byte_size_utf8(<<_h::utf8, t::binary>>, size), do: byte_size_utf8(t, size + 1)
+
   defp io_reply(from, reply_as, reply) do
     send(from, {:io_reply, reply_as, reply})
   end
diff --git a/lib/livebook/notebook/cell/input.ex b/lib/livebook/notebook/cell/input.ex
index bf12539a3..86912a84c 100644
--- a/lib/livebook/notebook/cell/input.ex
+++ b/lib/livebook/notebook/cell/input.ex
@@ -20,7 +20,7 @@ defmodule Livebook.Notebook.Cell.Input do
           reactive: boolean()
         }
 
-  @type type :: :text | :url | :number | :password
+  @type type :: :text | :url | :number | :password | :textarea
 
   @doc """
   Returns an empty cell.
@@ -50,6 +50,8 @@ defmodule Livebook.Notebook.Cell.Input do
 
   defp validate_value(_value, :password), do: :ok
 
+  defp validate_value(_value, :textarea), do: :ok
+
   defp validate_value(value, :url) do
     if Utils.valid_url?(value) do
       :ok
diff --git a/lib/livebook_web/live/session_live/cell_component.ex b/lib/livebook_web/live/session_live/cell_component.ex
index 0c0ef643d..0641e7b74 100644
--- a/lib/livebook_web/live/session_live/cell_component.ex
+++ b/lib/livebook_web/live/session_live/cell_component.ex
@@ -191,15 +191,26 @@ defmodule LivebookWeb.SessionLive.CellComponent do
           <div class="input-label">
             <%= @cell_view.name %>
           </div>
-          <input type="<%= if(@cell_view.input_type == :password, do: "password", else: "text") %>"
-            data-element="input"
-            class="input <%= if(@cell_view.error, do: "input--error") %>"
-            name="value"
-            value="<%= @cell_view.value %>"
-            phx-debounce="300"
-            spellcheck="false"
-            autocomplete="off"
-            tabindex="-1" />
+
+          <%= if (@cell_view.input_type == :textarea) do %>
+            <textarea
+              data-element="input"
+              class="input <%= if(@cell_view.error, do: "input--error") %>"
+              name="value"
+              spellcheck="false"
+              tabindex="-1"><%= [?\n, @cell_view.value] %></textarea>
+          <% else %>
+            <input type="<%= if(@cell_view.input_type == :password, do: "password", else: "text") %>"
+              data-element="input"
+              class="input <%= if(@cell_view.error, do: "input--error") %>"
+              name="value"
+              value="<%= @cell_view.value %>"
+              phx-debounce="300"
+              spellcheck="false"
+              autocomplete="off"
+              tabindex="-1" />
+          <% end %>
+
           <%= if @cell_view.error do %>
             <div class="input-error">
               <%= String.capitalize(@cell_view.error) %>
diff --git a/lib/livebook_web/live/session_live/input_cell_settings_component.ex b/lib/livebook_web/live/session_live/input_cell_settings_component.ex
index 70e2118d7..c629c2c2c 100644
--- a/lib/livebook_web/live/session_live/input_cell_settings_component.ex
+++ b/lib/livebook_web/live/session_live/input_cell_settings_component.ex
@@ -28,7 +28,7 @@ defmodule LivebookWeb.SessionLive.InputCellSettingsComponent do
         <div class="flex flex-col space-y-6">
           <div>
             <div class="input-label">Type</div>
-            <%= render_select("type", [number: "Number", password: "Password", text: "Text", url: "URL"], @type) %>
+            <%= render_select("type", [number: "Number", password: "Password", text: "Text", textarea: "Textarea", url: "URL"], @type) %>
           </div>
           <div>
             <div class="input-label">Name</div>
diff --git a/test/livebook/evaluator/io_proxy_test.exs b/test/livebook/evaluator/io_proxy_test.exs
index 714b54a74..11e6db612 100644
--- a/test/livebook/evaluator/io_proxy_test.exs
+++ b/test/livebook/evaluator/io_proxy_test.exs
@@ -121,6 +121,41 @@ defmodule Livebook.Evaluator.IOProxyTest do
     assert IOProxy.flush_widgets(io) == MapSet.new()
   end
 
+  test "getn/1 return first character", %{io: io} do
+    pid =
+      spawn_link(fn ->
+        reply_to_input_request(:ref, "name: ", {:ok, "🐈 test\n"}, 1)
+      end)
+
+    IOProxy.configure(io, pid, :ref)
+
+    assert IO.getn(io, "name: ") == "🐈"
+  end
+
+  test "getn/2 returns the number of defined characters ", %{io: io} do
+    pid =
+      spawn_link(fn ->
+        reply_to_input_request(:ref, "name: ", {:ok, "Jake Peralta\nAmy Santiago\n"}, 1)
+      end)
+
+    IOProxy.configure(io, pid, :ref)
+
+    assert IO.getn(io, "name: ", 13) == "Jake Peralta\n"
+    assert IO.getn(io, "name: ", 13) == "Amy Santiago\n"
+    assert IO.getn(io, "name: ", 13) == :eof
+  end
+
+  test "getn/2 all characters", %{io: io} do
+    pid =
+      spawn_link(fn ->
+        reply_to_input_request(:ref, "name: ", {:ok, "Jake Peralta\nAmy Santiago\n"}, 1)
+      end)
+
+    IOProxy.configure(io, pid, :ref)
+
+    assert IO.getn(io, "name: ", 10_000) == "Jake Peralta\nAmy Santiago\n"
+  end
+
   # Helpers
 
   defp reply_to_input_request(_ref, _prompt, _reply, 0), do: :ok