diff --git a/config/config.exs b/config/config.exs
index 7b45df9..3549ab4 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -127,3 +127,7 @@ config :phoenix, :json_library, Jason
 import_config "#{config_env()}.exs"
 
 config :floki, :html_parser, Floki.HTMLParser.FastHtml
+
+config :nanoid,
+  size: 12,
+  alphabet: "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
diff --git a/lib/outlook/articles/internal_tree.ex b/lib/outlook/articles/internal_tree.ex
index 4938a22..1753787 100644
--- a/lib/outlook/articles/internal_tree.ex
+++ b/lib/outlook/articles/internal_tree.ex
@@ -27,7 +27,7 @@ defmodule Outlook.Articles.InternalTree do
   defp from_json([%{status: _} = node | rest]) do
     [ %TranslationUnit{
         status: String.to_atom(node.status),
-        uuid: node.uuid,
+        nid: node.nid,
         content: node.content
       } | from_json(rest) ]
   end
@@ -37,7 +37,7 @@ defmodule Outlook.Articles.InternalTree do
         name: node.name,
         attributes: node.attributes,
         type: String.to_atom(node.type),
-        uuid: node.uuid,
+        nid: node.nid,
         content: from_json(node.content)
       } | from_json(rest) ]
   end
@@ -47,7 +47,7 @@ defmodule Outlook.Articles.InternalTree do
         name: node.name,
         attributes: node.attributes,
         type: String.to_atom(node.type),
-        uuid: node.uuid,
+        nid: node.nid,
         content: node.content
       } | from_json(rest) ]
   end
diff --git a/lib/outlook/html_preparations/html_preparation.ex b/lib/outlook/html_preparations/html_preparation.ex
index 1b78355..dbe3810 100644
--- a/lib/outlook/html_preparations/html_preparation.ex
+++ b/lib/outlook/html_preparations/html_preparation.ex
@@ -1,5 +1,5 @@
 defmodule Outlook.HtmlPreparations.HtmlPreparation do
-  import Ecto.UUID, only: [generate: 0]
+  import Nanoid, only: [generate: 0]
 
   alias Outlook.InternalTree.InternalNode
 
@@ -22,7 +22,7 @@ defmodule Outlook.HtmlPreparations.HtmlPreparation do
         name: tag,
         attributes: clean_atts_to_map(attributes),
         type: :element,
-        uuid: generate(),
+        nid: generate(),
         content: floki_to_internal(content)
       } | floki_to_internal(rest) ]
   end
@@ -30,7 +30,7 @@ defmodule Outlook.HtmlPreparations.HtmlPreparation do
   def floki_to_internal [ "" <> textnode | rest ] do
     [ %InternalNode{
         type: :text,
-        uuid: generate(),
+        nid: generate(),
         content: textnode
       } | floki_to_internal(rest) ]
   end
@@ -38,7 +38,7 @@ defmodule Outlook.HtmlPreparations.HtmlPreparation do
   def floki_to_internal [ {:comment, comment} | rest ] do
     [ %InternalNode{
         type: :comment,
-        uuid: generate(),
+        nid: generate(),
         content: comment
       } | floki_to_internal(rest) ]
   end
diff --git a/lib/outlook/internal_tree.ex b/lib/outlook/internal_tree.ex
index 87a9ebb..a223fb0 100644
--- a/lib/outlook/internal_tree.ex
+++ b/lib/outlook/internal_tree.ex
@@ -15,9 +15,9 @@ defmodule Outlook.InternalTree do
   end
 
   require Logger
-  def apply_modifier(tree, modifier, uuids, opts \\ %{}) do
+  def apply_modifier(tree, modifier, nids, opts \\ %{}) do
     # Logger.info modifier
-    Modifiers.traverse_tree(tree, modifier, uuids, opts)
+    Modifiers.traverse_tree(tree, modifier, nids, opts)
   end
 
   def partition_text(tree) do
diff --git a/lib/outlook/internal_tree/html.ex b/lib/outlook/internal_tree/html.ex
index aff0828..7d68a2a 100644
--- a/lib/outlook/internal_tree/html.ex
+++ b/lib/outlook/internal_tree/html.ex
@@ -39,13 +39,13 @@ defmodule Outlook.InternalTree.Html do
   end
 
   def to_html([%TranslationUnit{} = tunit | rest]) do
-    ~s(<span class="tunit" uuid="#{tunit.uuid}" tu-status="#{tunit.status}">#{tunit.content}</span>) <> to_html(rest)
+    ~s(<span class="tunit" nid="#{tunit.nid}" tu-status="#{tunit.status}">#{tunit.content}</span>) <> to_html(rest)
   end
 
   def to_html([]), do: ""
 
   def to_html_preview([ %InternalNode{type: :element} = node | rest], target_id) do
-    attr_string = Map.put(node.attributes, :uuid, node.uuid)
+    attr_string = Map.put(node.attributes, :nid, node.nid)
     |> Enum.map_join(" ", fn {k,v} -> "#{k}=\"#{v}\"" end)
     "<#{node.name} #{attr_string}>" <>
       to_html_preview(node.content, target_id) <>
@@ -54,16 +54,16 @@ defmodule Outlook.InternalTree.Html do
   end
 
   def to_html_preview([ %InternalNode{type: :text} = node | rest], target_id) do
-    ~s(<span uuid="#{node.uuid}">#{node.content}</span>) <> to_html_preview(rest, target_id)
+    ~s(<span nid="#{node.nid}">#{node.content}</span>) <> to_html_preview(rest, target_id)
   end
 
   def to_html_preview([ %InternalNode{type: :comment} = node | rest], target_id) do
-    ~s(<span uuid="#{node.uuid}"><!--#{node.content}--></span>) <> to_html_preview(rest, target_id)
+    ~s(<span nid="#{node.nid}"><!--#{node.content}--></span>) <> to_html_preview(rest, target_id)
   end
 
   def to_html_preview([ %TranslationUnit{} = tunit | rest], target_id) do
-    ~s|<span class="tunit" uuid="#{tunit.uuid}" tu-status="#{tunit.status}" phx-click="select_current_tunit"
-       phx-value-uuid="#{tunit.uuid}" phx-target="#{target_id}">#{tunit.content}</span>| <> to_html_preview(rest, target_id)
+    ~s|<span class="tunit" nid="#{tunit.nid}" tu-status="#{tunit.status}" phx-click="select_current_tunit"
+       phx-value-nid="#{tunit.nid}" phx-target="#{target_id}">#{tunit.content}</span>| <> to_html_preview(rest, target_id)
   end
 
   def to_html_preview([], _target_id), do: ""
diff --git a/lib/outlook/internal_tree/internal_node.ex b/lib/outlook/internal_tree/internal_node.ex
index 489379a..42bb8e7 100644
--- a/lib/outlook/internal_tree/internal_node.ex
+++ b/lib/outlook/internal_tree/internal_node.ex
@@ -1,4 +1,4 @@
 defmodule Outlook.InternalTree.InternalNode do
  @derive Jason.Encoder
- defstruct name: "", attributes: %{}, type: :atom, uuid: "", content: [], eph: %{}
+ defstruct name: "", attributes: %{}, type: :atom, nid: "", content: [], eph: %{}
 end
diff --git a/lib/outlook/internal_tree/internal_tree.ex b/lib/outlook/internal_tree/internal_tree.ex
index cc83b96..167a359 100644
--- a/lib/outlook/internal_tree/internal_tree.ex
+++ b/lib/outlook/internal_tree/internal_tree.ex
@@ -49,7 +49,7 @@ defmodule Outlook.InternalTree.InternalTree do
   end
 
   defp set_attributes(node, atts, ids) do
-    if node.uuid in ids do
+    if node.nid in ids do
       set_attributes(node, atts)
     else
       node
@@ -63,7 +63,7 @@ defmodule Outlook.InternalTree.InternalTree do
       Map.put(attributes, "phx-click",atts.phx.click)
       # TODO: only convert to string if present
       |> Map.put("phx-target", atts.phx.target |> to_string)
-      |> Map.put("phx-value-uuid", node.uuid)
+      |> Map.put("phx-value-nid", node.nid)
     end
     %{node | eph: Map.put(node.eph, :attributes, attributes)}
   end
diff --git a/lib/outlook/internal_tree/raw_internal_basic.ex b/lib/outlook/internal_tree/raw_internal_basic.ex
index 926ecc7..178a64e 100644
--- a/lib/outlook/internal_tree/raw_internal_basic.ex
+++ b/lib/outlook/internal_tree/raw_internal_basic.ex
@@ -4,7 +4,6 @@ defmodule Outlook.InternalTree.RawInternalBasic do
  Html and before splitting textnodes into %TranslationUnit{}s.
  """
 
-  alias Ecto.UUID
   alias Outlook.InternalTree.InternalNode
   alias Outlook.InternalTree.TranslationUnit
   alias Outlook.InternalTree.Html
@@ -59,7 +58,7 @@ defmodule Outlook.InternalTree.RawInternalBasic do
       %TranslationUnit{
         content: Html.to_html(sentence),
         status: :untranslated,
-        uuid: UUID.generate()
+        nid: Nanoid.generate()
       }
       end
     )
diff --git a/lib/outlook/internal_tree/translation_unit.ex b/lib/outlook/internal_tree/translation_unit.ex
index f5a36e5..3111429 100644
--- a/lib/outlook/internal_tree/translation_unit.ex
+++ b/lib/outlook/internal_tree/translation_unit.ex
@@ -1,4 +1,4 @@
 defmodule Outlook.InternalTree.TranslationUnit do
  @derive Jason.Encoder
- defstruct status: :atom, uuid: "", content: "", eph: %{}
+ defstruct status: :atom, nid: "", content: "", eph: %{}
 end
diff --git a/lib/outlook/translations/basic.ex b/lib/outlook/translations/basic.ex
index 68fec6c..16e7341 100644
--- a/lib/outlook/translations/basic.ex
+++ b/lib/outlook/translations/basic.ex
@@ -5,7 +5,7 @@ defmodule Outlook.Translations.Basic do
 
   def internal_tree_to_tunit_map(tree) do
     collect_translation_units(tree)
-    |> Enum.map(fn tunit -> {tunit.uuid, tunit} end)
+    |> Enum.map(fn tunit -> {tunit.nid, tunit} end)
     |> Enum.into(%{})
   end
 
diff --git a/lib/outlook/translators.ex b/lib/outlook/translators.ex
index a31b379..d3b9d16 100644
--- a/lib/outlook/translators.ex
+++ b/lib/outlook/translators.ex
@@ -89,12 +89,12 @@ defmodule Outlook.Translators do
     |> Floki.find("span.tunit")
     |> Enum.map(fn {_,atts,cont} ->
       %TranslationUnit{
-        uuid: Enum.find(atts, fn {k,_} -> k == "uuid" end) |> Tuple.to_list |> Enum.at(1),
+        nid: Enum.find(atts, fn {k,_} -> k == "nid" end) |> Tuple.to_list |> Enum.at(1),
         content: Floki.raw_html(cont),
         status: :untranslated
       }
     end)
-    |> Enum.map(fn tunit -> {tunit.uuid, tunit} end)
+    |> Enum.map(fn tunit -> {tunit.nid, tunit} end)
     |> Enum.into(%{})
 
     case Enum.sort(Map.keys(tunit_map)) == Enum.sort(tunit_ids) do
diff --git a/lib/outlook_web/components/html_doc_component.ex b/lib/outlook_web/components/html_doc_component.ex
index 68c4b1e..629d4cd 100644
--- a/lib/outlook_web/components/html_doc_component.ex
+++ b/lib/outlook_web/components/html_doc_component.ex
@@ -19,7 +19,7 @@ defmodule OutlookWeb.HtmlDocComponent do
 
   def dnode(%{node: %{status: status}} = assigns) do
     ~H"""
-      <.dynamic_tag name="span" class="tunit" uuid={@node.uuid} {Map.get(@node.eph, :attributes, %{})}>
+      <.dynamic_tag name="span" class="tunit" nid={@node.nid} {Map.get(@node.eph, :attributes, %{})}>
         <%= @node.content |> raw %>
       </.dynamic_tag>
     """
@@ -27,7 +27,7 @@ defmodule OutlookWeb.HtmlDocComponent do
 
   def dnode(assigns) when assigns.node.type == :element do
     ~H"""
-      <.dynamic_tag name={@node.name} uuid={@node.uuid} {Map.get(@node.eph, :attributes, %{})}>
+      <.dynamic_tag name={@node.name} nid={@node.nid} {Map.get(@node.eph, :attributes, %{})}>
         <%= for child_node <- @node.content do %>
           <.dnode node={child_node} />
         <% end %>
diff --git a/lib/outlook_web/components/html_tree_component.ex b/lib/outlook_web/components/html_tree_component.ex
index 79574fc..30ddcea 100644
--- a/lib/outlook_web/components/html_tree_component.ex
+++ b/lib/outlook_web/components/html_tree_component.ex
@@ -33,7 +33,7 @@ defmodule OutlookWeb.HtmlTreeComponent do
 
   def tree_element(assigns) do
     ~H"""
-      <div uuid={@node.uuid} phx-click={JS.push("select", value: %{uuid: @node.uuid})}>
+      <div nid={@node.nid} phx-click={JS.push("select", value: %{nid: @node.nid})}>
         <%= "#{String.duplicate("  ", @level)}<#{@node.name}>" %>
       </div>
     """
@@ -41,7 +41,7 @@ defmodule OutlookWeb.HtmlTreeComponent do
 
   def tree_text(assigns) do
     ~H"""
-      <div uuid={@node.uuid} phx-click={JS.push("select", value: %{uuid: @node.uuid})}>
+      <div nid={@node.nid} phx-click={JS.push("select", value: %{nid: @node.nid})}>
         <%= "#{String.duplicate("  ", @level)}\"#{String.slice(@node.content, 0, 15)}...\"\n" %>
       </div>
     """
@@ -49,7 +49,7 @@ defmodule OutlookWeb.HtmlTreeComponent do
 
   def tree_comment(assigns) do
     ~H"""
-      <div uuid={@node.uuid} phx-click={JS.push("select", value: %{uuid: @node.uuid})} title={@node.content}>
+      <div nid={@node.nid} phx-click={JS.push("select", value: %{nid: @node.nid})} title={@node.content}>
         <%= "#{String.duplicate("  ", @level)}<!-- #{String.slice(@node.content, 0, 15)}...-->\n" %>
       </div>
     """
diff --git a/lib/outlook_web/live/translation_live/form_component.ex b/lib/outlook_web/live/translation_live/form_component.ex
index e80a596..c6f8640 100644
--- a/lib/outlook_web/live/translation_live/form_component.ex
+++ b/lib/outlook_web/live/translation_live/form_component.ex
@@ -105,11 +105,11 @@ defmodule OutlookWeb.TranslationLive.FormComponent do
     {:noreply, socket |> assign(:current_tunit, tunit)}
   end
 
-  def handle_event("select_current_tunit", %{"uuid" => uuid}, socket) do
+  def handle_event("select_current_tunit", %{"nid" => nid}, socket) do
     {:noreply,
       socket
       |> update_translation_with_current_tunit(socket.assigns.current_tunit.status)
-      |> assign(:current_tunit, socket.assigns.translation_content[uuid])}
+      |> assign(:current_tunit, socket.assigns.translation_content[nid])}
   end
 
   @doc "updating on browser events"
@@ -124,7 +124,7 @@ defmodule OutlookWeb.TranslationLive.FormComponent do
   defp update_current_tunit(socket, _) do
     assign(socket,
       :current_tunit,
-      socket.assigns.translation_content[socket.assigns.current_tunit.uuid])
+      socket.assigns.translation_content[socket.assigns.current_tunit.nid])
   end
 
   defp assign_article_tree(socket, translation) do
@@ -140,7 +140,7 @@ defmodule OutlookWeb.TranslationLive.FormComponent do
     socket
     |> assign(:translation_content,
       socket.assigns.translation_content
-      |> Map.put(socket.assigns.current_tunit.uuid, socket.assigns.current_tunit))
+      |> Map.put(socket.assigns.current_tunit.nid, socket.assigns.current_tunit))
   end
 
   defp save_translation(socket, :edit, translation_params) do
diff --git a/mix.exs b/mix.exs
index eb74941..f59ce8a 100644
--- a/mix.exs
+++ b/mix.exs
@@ -55,6 +55,7 @@ defmodule Outlook.MixProject do
       {:ecto_psql_extras, "~> 0.6", only: :dev},
       {:fast_html, "~> 2.0"},
       {:httpoison, "~> 1.8"},
+      {:nanoid, "~> 2.0.5"},
     ]
   end
 
diff --git a/mix.lock b/mix.lock
index 462d51c..1c1175d 100644
--- a/mix.lock
+++ b/mix.lock
@@ -30,6 +30,7 @@
   "mime": {:hex, :mime, "2.0.3", "3676436d3d1f7b81b5a2d2bd8405f412c677558c81b1c92be58c00562bb59095", [:mix], [], "hexpm", "27a30bf0db44d25eecba73755acf4068cbfe26a4372f9eb3e4ea3a45956bff6b"},
   "mimerl": {:hex, :mimerl, "1.2.0", "67e2d3f571088d5cfd3e550c383094b47159f3eee8ffa08e64106cdf5e981be3", [:rebar3], [], "hexpm", "f278585650aa581986264638ebf698f8bb19df297f66ad91b18910dfc6e19323"},
   "mint": {:hex, :mint, "1.4.2", "50330223429a6e1260b2ca5415f69b0ab086141bc76dc2fbf34d7c389a6675b2", [:mix], [{:castore, "~> 0.1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:hpax, "~> 0.1.1", [hex: :hpax, repo: "hexpm", optional: false]}], "hexpm", "ce75a5bbcc59b4d7d8d70f8b2fc284b1751ffb35c7b6a6302b5192f8ab4ddd80"},
+  "nanoid": {:hex, :nanoid, "2.0.5", "1d2948d8967ef2d948a58c3fef02385040bd9823fc6394bd604b8d98e5516b22", [:mix], [], "hexpm", "956e8876321104da72aa48770539ff26b36b744cd26753ec8e7a8a37e53d5f58"},
   "nimble_options": {:hex, :nimble_options, "0.5.2", "42703307b924880f8c08d97719da7472673391905f528259915782bb346e0a1b", [:mix], [], "hexpm", "4da7f904b915fd71db549bcdc25f8d56f378ef7ae07dc1d372cbe72ba950dce0"},
   "nimble_pool": {:hex, :nimble_pool, "0.2.6", "91f2f4c357da4c4a0a548286c84a3a28004f68f05609b4534526871a22053cde", [:mix], [], "hexpm", "1c715055095d3f2705c4e236c18b618420a35490da94149ff8b580a2144f653f"},
   "parse_trans": {:hex, :parse_trans, "3.3.1", "16328ab840cc09919bd10dab29e431da3af9e9e7e7e6f0089dd5a2d2820011d8", [:rebar3], [], "hexpm", "07cd9577885f56362d414e8c4c4e6bdf10d43a8767abb92d24cbe8b24c54888b"},