diff --git a/app/assets/stylesheets/forum_post_votes_controller.scss b/app/assets/stylesheets/forum_post_votes_controller.scss
deleted file mode 100644
index 5aac47c6d..000000000
--- a/app/assets/stylesheets/forum_post_votes_controller.scss
+++ /dev/null
@@ -1,3 +0,0 @@
-// Place all the styles related to the ForumPostVotesController controller here.
-// They will automatically be included in application.css.
-// You can use Sass (SCSS) here: http://sass-lang.com/
diff --git a/app/assets/stylesheets/specific/dropzone.scss b/app/assets/stylesheets/specific/dropzone.scss
new file mode 100644
index 000000000..a3c33331e
--- /dev/null
+++ b/app/assets/stylesheets/specific/dropzone.scss
@@ -0,0 +1,41 @@
+#filedropzone {
+  border: 4px dashed #DDD;
+  padding: 0;
+  min-height: 100px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 4px;
+
+  .placeholder {
+    font-style: italic;
+    color: #333;
+    height: 100%;
+  }
+
+  &.error {
+    border-color: darken(#f2dede, 30%);
+    background-color: #f2dede;
+  }
+
+  &.success {
+    border-color: darken(#dff0d8, 30%);
+    background-color: #dff0d8;
+  }
+}
+
+.dz-preview {
+  margin-bottom: 1em;
+}
+
+.dz-progress {
+  height: 20px;
+  width: 300px;
+  border: 1px solid #CCC;
+
+  .dz-upload {
+    background-color: #F5F5FF;
+    display: block;
+    height: 20px;
+  }
+}
\ No newline at end of file
diff --git a/app/assets/stylesheets/specific/iqdb_queries.scss b/app/assets/stylesheets/specific/iqdb_queries.scss
index cab8d0f3b..5386b552d 100644
--- a/app/assets/stylesheets/specific/iqdb_queries.scss
+++ b/app/assets/stylesheets/specific/iqdb_queries.scss
@@ -9,5 +9,9 @@ div#c-iqdb-queries {
         margin-top: 10px;
       }
     }
+
+    #filedropzone {
+      margin: 1em 0;
+    }
   }
 }
diff --git a/app/assets/stylesheets/specific/uploads.scss b/app/assets/stylesheets/specific/uploads.scss
index 1cc7bece5..49b71d0b1 100644
--- a/app/assets/stylesheets/specific/uploads.scss
+++ b/app/assets/stylesheets/specific/uploads.scss
@@ -34,48 +34,6 @@ div#c-uploads {
     div.field_with_errors {
       display: inline;
     }
-
-    #filedropzone {
-      border: 4px dashed #DDD;
-      padding: 0;
-      min-height: 100px;
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      border-radius: 4px;
-
-      .placeholder {
-        font-style: italic;
-        color: #333;
-        height: 100%;
-      }
-
-      &.error {
-        border-color: darken(#f2dede, 30%);
-        background-color: #f2dede;
-      }
-
-      &.success {
-        border-color: darken(#dff0d8, 30%);
-        background-color: #dff0d8;
-      }
-    }
-
-    .dz-preview {
-      margin-bottom: 1em;
-    }
-
-    .dz-progress {
-      height: 20px;
-      width: 300px;
-      border: 1px solid #CCC;
-
-      .dz-upload {
-        background-color: #F5F5FF;
-        display: block;
-        height: 20px;
-      }
-    }
   }
 
   div#a-index {
diff --git a/app/controllers/iqdb_queries_controller.rb b/app/controllers/iqdb_queries_controller.rb
index ee865c974..b18425361 100644
--- a/app/controllers/iqdb_queries_controller.rb
+++ b/app/controllers/iqdb_queries_controller.rb
@@ -1,29 +1,12 @@
-# todo: move this to iqdbs
 class IqdbQueriesController < ApplicationController
   respond_to :html, :json, :xml
 
   def show
-    @results = find_similar
-
-    respond_with(@results) do |fmt|
-      fmt.html { render :layout => false, :action => "create_by_url" }
-      fmt.js { render :layout => false, :action => "create_by_post" }
+    if params[:matches]
+      @matches = JSON.parse(params[:matches])
+      @matches = @matches.map {|x| [Post.find(x[0]), x[1]]}
     end
-  end
 
-  def check
-    @results = find_similar
-    respond_with(@results)
-  end
-
-  # Support both POST /iqdb_queries and GET /iqdb_queries.
-  alias_method :create, :show
-
-protected
-  def find_similar
-    return [] if params[:url].blank? && params[:post_id].blank?
-
-    params[:url] = Post.find(params[:post_id]).preview_file_url if params[:post_id].present?
-    Iqdb::Download.find_similar(params[:url])
+    respond_with(@matches)
   end
 end
diff --git a/app/logical/upload_service.rb b/app/logical/upload_service.rb
index 58ace4ff5..7a48e5234 100644
--- a/app/logical/upload_service.rb
+++ b/app/logical/upload_service.rb
@@ -192,7 +192,7 @@ class UploadService
       # in case this upload never finishes processing, we need to delete the
       # distributed files in the future
       Danbooru.config.other_server_hosts.each do |host|
-        UploadService::Utils.delay(queue: host, run_at: 10.minutes.from_now).delete_file(upload.md5, upload.file_ext, upload.id)
+        UploadService::Utils.delay(queue: host, run_at: 30.minutes.from_now).delete_file(upload.md5, upload.file_ext, upload.id)
       end
     end
 
diff --git a/app/views/iqdb_queries/check.html.erb b/app/views/iqdb_queries/check.html.erb
deleted file mode 100644
index 891fdc4d0..000000000
--- a/app/views/iqdb_queries/check.html.erb
+++ /dev/null
@@ -1,34 +0,0 @@
-<div id="c-iqdb-queries">
-  <div id="a-check">
-    <h1>IQDB Queries</h1>
-    <section>
-      <%= form_tag(check_iqdb_queries_path, :method => :get, :class => "simple_form inline-form" ) do %>
-        <div class="input string optional">
-          <%= label_tag "url", "URL", class: "string optional" %>
-          <%= text_field_tag "url", params[:url] %>
-        </div>
-        <div class="input string optional">
-          <%= label_tag "post_id", "Post ID", class: "string optional" %>
-          <%= text_field_tag "post_id", params[:post_id] %>
-        </div>
-        <%= submit_tag "Check" %>
-      <% end %>
-    </section>
-    <% if params[:url].present? || params[:post_id].present? %>
-      <section>
-        <h2>Similar results</h2>
-        <% if @results.any? %>
-          <% @results.each do |match| %>
-            <%= PostPresenter.preview(match[:post], :tags => "status:any", :size => true, :similarity => match[:score]) %>
-          <% end %>
-        <% else %>
-          <p>No matches found</p>
-        <% end %>
-      </section>
-     <% end %>
-  </div>
-</div>
-
-<% content_for(:page_title) do %>
-  IQDB Queries - <%= Danbooru.config.app_name %>
-<% end %>
diff --git a/app/views/iqdb_queries/show.html.erb b/app/views/iqdb_queries/show.html.erb
new file mode 100644
index 000000000..542be6a2f
--- /dev/null
+++ b/app/views/iqdb_queries/show.html.erb
@@ -0,0 +1,78 @@
+<div id="c-iqdb-queries">
+  <div id="a-check">
+    <h1>Similar Images Search</h1>
+    <section>
+      <p>You can upload a file or paste a URL to perform an image similarity search with every upload on <%= Danbooru.config.app_name %>. Note that this page will redirect you to <%= link_to "IQDBS", Danbooru.config.iqdbs_server %>. You will be redirected back here once the search is executed.</p>
+
+      <%= form_tag("#{Danbooru.config.iqdbs_server}/similar", method: :post, class: "simple_form", multipart: true ) do %>
+        <%= hidden_field_tag "callback", iqdb_queries_url %>
+
+        <div class="input string optional">
+          <%= label_tag "url", "URL", class: "string optional" %>
+          <%= text_field_tag "url", params[:url] %>
+        </div>
+
+        <div class="input string optional fallback">
+          <%= label_tag "file", "File", class: "string optional" %>
+          <%= file_field_tag :file, :size => 50 %>
+        </div>
+
+        <div id="filedropzone">
+          <span class="hint">Drag and drop a file here</span>
+        </div>
+
+        <%= submit_tag "Search" %>
+      <% end %>
+    </section>
+
+    <% if @matches %>
+      <section>
+        <h2>Similar results</h2>
+        <% if @matches.any? %>
+          <% @matches.each do |post, score| %>
+            <%= PostPresenter.preview(post, :tags => "status:any", :size => true, :similarity => score) %>
+          <% end %>
+        <% else %>
+          <p>No matches found</p>
+        <% end %>
+      </section>
+    <% end %>
+  </div>
+</div>
+
+<% content_for(:page_title) do %>
+  Similar Images Search - <%= Danbooru.config.app_name %>
+<% end %>
+
+<% content_for(:html_header) do %>
+  <script async src="https://cdnjs.cloudflare.com/ajax/libs/dropzone/5.4.0/min/dropzone.min.js"></script>
+  <script>
+    $(function() {
+      $("#filedropzone").dropzone({ 
+        paramName: "file", 
+        url: "/iqdb_queries", 
+        createImageThumbnails: false,
+        addRemoveLinks: false,
+        maxFiles: 1,
+        acceptedFiles: "image/jpeg,image/png,image/gif",
+        previewTemplate: '<div class="dz-preview dz-file-preview"><div class="dz-details"><div class="dz-filename"><span data-dz-name></span></div><div class="dz-size" data-dz-size></div></div><div class="dz-progress"><span class="dz-upload" data-dz-uploadprogress></span></div><div class="dz-error-message"><span data-dz-errormessage></span></div></div>',
+        init: function() {
+          $(".fallback").hide();
+          
+          this.on("drop", function(event) {
+            $("#filedropzone .placeholder").hide();
+          });
+          this.on("complete", function(file) {
+            $("#filedropzone .dz-progress").hide();
+          });
+          this.on("success", function(file) {
+            $("#filedropzone").addClass("success");
+          });
+          this.on("error", function(file, msg) {
+            $("#filedropzone").addClass("error");
+          });
+        }
+      });
+    });
+  </script>
+<% end %>
diff --git a/app/views/static/site_map.html.erb b/app/views/static/site_map.html.erb
index 731ac92c7..068319d4f 100644
--- a/app/views/static/site_map.html.erb
+++ b/app/views/static/site_map.html.erb
@@ -16,6 +16,7 @@
         <% if CurrentUser.is_moderator? %>
           <li><%= link_to("Mass Edit", edit_moderator_tag_path) %></li>
         <% end %>
+        <li><%= link_to("Similar Images Search", iqdb_queries_path) %></li>
       </ul>
       <ul>
         <li><h1>Post Events</h1></li>
@@ -33,7 +34,6 @@
         <li><%= link_to("Bookmarklet", bookmarklet_path) %></li>
         <li><%= link_to("User Scripts", wiki_pages_path(title: "about:userscripts")) %></li>
         <li><%= link_to("API Documentation", wiki_pages_path(:title => "help:api")) %></li>
-        <li><%= link_to("IQDB Queries", check_iqdb_queries_path) %></li>
       </ul>
       <ul>
         <li><h1>Artists</h1></li>
diff --git a/app/views/uploads/_secondary_links.html.erb b/app/views/uploads/_secondary_links.html.erb
index 2bf7f9cda..678134ae3 100644
--- a/app/views/uploads/_secondary_links.html.erb
+++ b/app/views/uploads/_secondary_links.html.erb
@@ -3,7 +3,7 @@
     <li><%= link_to "Listing", uploads_path %></li>
     <li><%= link_to "New", new_upload_path %></li>
     <li><%= link_to "Batch Upload", batch_uploads_path %></li>
-    <li><%= link_to "IQDB", check_iqdb_queries_path %></li>
+    <li><%= link_to "Similar Images Search", iqdb_queries_path %></li>
     <li><%= link_to "Help", wiki_pages_path(search: { title: "help:upload" }) %></li>
   </menu>
 <% end %>
diff --git a/config/routes.rb b/config/routes.rb
index 2a0664b0b..5e713c386 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -154,9 +154,7 @@ Rails.application.routes.draw do
     resource :visit, :controller => "forum_topic_visits"
   end
   resources :ip_bans
-  resource :iqdb_queries, :only => [:create, :show, :check] do
-    get :check
-  end
+  resource :iqdb_queries, :only => [:show]
   resources :janitor_trials do
     collection do
       get :test
diff --git a/test/functional/iqdb_queries_controller_test.rb b/test/functional/iqdb_queries_controller_test.rb
index 4c488742f..6fc24b7a6 100644
--- a/test/functional/iqdb_queries_controller_test.rb
+++ b/test/functional/iqdb_queries_controller_test.rb
@@ -7,28 +7,12 @@ class IqdbQueriesControllerTest < ActionDispatch::IntegrationTest
       as_user do
         @posts = FactoryBot.create_list(:post, 2)
       end
-      mock_iqdb_service!
     end
 
-    context "create action" do
-      should "render with a post_id" do
-        mock_iqdb_matches!(@posts[0], @posts)
-        post_auth iqdb_queries_path, @user, params: { post_id: @posts[0].id, format: "js" }
-        
-        assert_response :success
-      end
-
-      should "render with an url" do
-        mock_iqdb_matches!(@posts[0].source, @posts)
-        post_auth iqdb_queries_path, @user, params: { url: @posts[0].source }
-
-        assert_response :success
-      end
-
-      should "render for a json response" do
-        mock_iqdb_matches!(@posts[0].source, @posts)
-        get_auth iqdb_queries_path, @user, params: { url: @posts[0].source, format: "json" }
-
+    context "show action" do
+      should "render with matches" do
+        json = @posts.map {|x| [x.id, 1]}.to_json
+        get_auth iqdb_queries_path, @user, params: { matches: json }
         assert_response :success
       end
     end