diff --git a/lib/pleroma/web/api_spec/schemas/boolean_like.ex b/lib/pleroma/web/api_spec/schemas/boolean_like.ex
index 778158f66..1feda3baa 100644
--- a/lib/pleroma/web/api_spec/schemas/boolean_like.ex
+++ b/lib/pleroma/web/api_spec/schemas/boolean_like.ex
@@ -34,7 +34,7 @@ defmodule Pleroma.Web.ApiSpec.Schemas.BooleanLike do
 
   def cast(%Cast{value: value} = context) do
     context
-    |> Map.put(:value, Pleroma.Web.ControllerHelper.truthy_param?(value))
+    |> Map.put(:value, Pleroma.Web.Params.truthy_param?(value))
     |> Cast.ok()
   end
 end
diff --git a/lib/pleroma/web/common_api/activity_draft.ex b/lib/pleroma/web/common_api/activity_draft.ex
index 80a9fa7bb..d750c9de3 100644
--- a/lib/pleroma/web/common_api/activity_draft.ex
+++ b/lib/pleroma/web/common_api/activity_draft.ex
@@ -223,7 +223,7 @@ defmodule Pleroma.Web.CommonAPI.ActivityDraft do
   end
 
   defp preview?(draft) do
-    preview? = Pleroma.Web.ControllerHelper.truthy_param?(draft.params[:preview])
+    preview? = Pleroma.Web.Params.truthy_param?(draft.params[:preview])
     %__MODULE__{draft | preview?: preview?}
   end
 
diff --git a/lib/pleroma/web/common_api/utils.ex b/lib/pleroma/web/common_api/utils.ex
index 4cc34002d..4ba31a8b8 100644
--- a/lib/pleroma/web/common_api/utils.ex
+++ b/lib/pleroma/web/common_api/utils.ex
@@ -4,7 +4,6 @@
 
 defmodule Pleroma.Web.CommonAPI.Utils do
   import Pleroma.Web.Gettext
-  import Pleroma.Web.ControllerHelper, only: [truthy_param?: 1]
 
   alias Calendar.Strftime
   alias Pleroma.Activity
@@ -18,6 +17,7 @@ defmodule Pleroma.Web.CommonAPI.Utils do
   alias Pleroma.Web.ActivityPub.Visibility
   alias Pleroma.Web.CommonAPI.ActivityDraft
   alias Pleroma.Web.MediaProxy
+  alias Pleroma.Web.Params
   alias Pleroma.Web.Plugs.AuthenticationPlug
 
   require Logger
@@ -160,7 +160,7 @@ defmodule Pleroma.Web.CommonAPI.Utils do
         |> DateTime.add(expires_in)
         |> DateTime.to_iso8601()
 
-      key = if truthy_param?(data.poll[:multiple]), do: "anyOf", else: "oneOf"
+      key = if Params.truthy_param?(data.poll[:multiple]), do: "anyOf", else: "oneOf"
       poll = %{"type" => "Question", key => option_notes, "closed" => end_time}
 
       {:ok, {poll, emoji}}
@@ -203,7 +203,7 @@ defmodule Pleroma.Web.CommonAPI.Utils do
     attachment_links =
       draft.params
       |> Map.get("attachment_links", Config.get([:instance, :attachment_links]))
-      |> truthy_param?()
+      |> Params.truthy_param?()
 
     content_type = get_content_type(draft.params[:content_type])
 
diff --git a/lib/pleroma/web/controller_helper.ex b/lib/pleroma/web/controller_helper.ex
index 61d65e7a3..afa152482 100644
--- a/lib/pleroma/web/controller_helper.ex
+++ b/lib/pleroma/web/controller_helper.ex
@@ -6,17 +6,7 @@ defmodule Pleroma.Web.ControllerHelper do
   use Pleroma.Web, :controller
 
   alias Pleroma.Pagination
-
-  # As in Mastodon API, per https://api.rubyonrails.org/classes/ActiveModel/Type/Boolean.html
-  @falsy_param_values [false, 0, "0", "f", "F", "false", "False", "FALSE", "off", "OFF"]
-
-  def explicitly_falsy_param?(value), do: value in @falsy_param_values
-
-  # Note: `nil` and `""` are considered falsy values in Pleroma
-  def falsy_param?(value),
-    do: explicitly_falsy_param?(value) or value in [nil, ""]
-
-  def truthy_param?(value), do: not falsy_param?(value)
+  alias Pleroma.Web.Params
 
   def json_response(conn, status, _) when status in [204, :no_content] do
     conn
@@ -123,6 +113,6 @@ defmodule Pleroma.Web.ControllerHelper do
     # To do once OpenAPI transition mess is over: just `truthy_param?(params[:with_relationships])`
     params
     |> Map.get(:with_relationships, params["with_relationships"])
-    |> truthy_param?()
+    |> Params.truthy_param?()
   end
 end
diff --git a/lib/pleroma/web/mastodon_api/controllers/account_controller.ex b/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
index 7a1e99044..d9bb6f95e 100644
--- a/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
@@ -8,7 +8,6 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
   import Pleroma.Web.ControllerHelper,
     only: [
       add_link_headers: 2,
-      truthy_param?: 1,
       assign_account_by_id: 2,
       embed_relationships?: 1,
       json_response: 3
@@ -25,6 +24,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
   alias Pleroma.Web.MastodonAPI.MastodonAPIController
   alias Pleroma.Web.MastodonAPI.StatusView
   alias Pleroma.Web.OAuth.OAuthController
+  alias Pleroma.Web.Params
   alias Pleroma.Web.Plugs.EnsurePublicOrAuthenticatedPlug
   alias Pleroma.Web.Plugs.OAuthScopesPlug
   alias Pleroma.Web.Plugs.RateLimiter
@@ -188,7 +188,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
         :accepts_chat_messages
       ]
       |> Enum.reduce(%{}, fn key, acc ->
-        Maps.put_if_present(acc, key, params[key], &{:ok, truthy_param?(&1)})
+        Maps.put_if_present(acc, key, params[key], &{:ok, Params.truthy_param?(&1)})
       end)
       |> Maps.put_if_present(:name, params[:display_name])
       |> Maps.put_if_present(:bio, params[:note])
diff --git a/lib/pleroma/web/o_auth/o_auth_controller.ex b/lib/pleroma/web/o_auth/o_auth_controller.ex
index b9aadc6a4..6201d6e00 100644
--- a/lib/pleroma/web/o_auth/o_auth_controller.ex
+++ b/lib/pleroma/web/o_auth/o_auth_controller.ex
@@ -13,7 +13,6 @@ defmodule Pleroma.Web.OAuth.OAuthController do
   alias Pleroma.Repo
   alias Pleroma.User
   alias Pleroma.Web.Auth.WrapperAuthenticator, as: Authenticator
-  alias Pleroma.Web.ControllerHelper
   alias Pleroma.Web.OAuth.App
   alias Pleroma.Web.OAuth.Authorization
   alias Pleroma.Web.OAuth.MFAController
@@ -23,6 +22,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
   alias Pleroma.Web.OAuth.Token
   alias Pleroma.Web.OAuth.Token.Strategy.RefreshToken
   alias Pleroma.Web.OAuth.Token.Strategy.Revoke, as: RevokeToken
+  alias Pleroma.Web.Params
   alias Pleroma.Web.Plugs.RateLimiter
 
   require Logger
@@ -50,7 +50,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
   end
 
   def authorize(%Plug.Conn{assigns: %{token: %Token{}}} = conn, %{"force_login" => _} = params) do
-    if ControllerHelper.truthy_param?(params["force_login"]) do
+    if Params.truthy_param?(params["force_login"]) do
       do_authorize(conn, params)
     else
       handle_existing_authorization(conn, params)
diff --git a/lib/pleroma/web/params.ex b/lib/pleroma/web/params.ex
new file mode 100644
index 000000000..dd7059c89
--- /dev/null
+++ b/lib/pleroma/web/params.ex
@@ -0,0 +1,16 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.Params do
+  # As in Mastodon API, per https://api.rubyonrails.org/classes/ActiveModel/Type/Boolean.html
+  @falsy_param_values [false, 0, "0", "f", "F", "false", "False", "FALSE", "off", "OFF"]
+
+  defp explicitly_falsy_param?(value), do: value in @falsy_param_values
+
+  # Note: `nil` and `""` are considered falsy values in Pleroma
+  defp falsy_param?(value),
+    do: explicitly_falsy_param?(value) or value in [nil, ""]
+
+  def truthy_param?(value), do: not falsy_param?(value)
+end