diff --git a/app/site_files.rb b/app/site_files.rb
index 02d97edf..42ae30e8 100644
--- a/app/site_files.rb
+++ b/app/site_files.rb
@@ -1,104 +1,3 @@
-get '/site_files/new_page' do
-  require_login
-  @title = 'New Page'
-  erb :'site_files/new_page'
-end
-
-# Redirect from original path
-get '/site_files/new' do
-  require_login
-  redirect '/site_files/new_page'
-end
-
-post '/site_files/create' do
-  require_login
-  @errors = []
-
-  filename = params[:filename]
-
-  filename.gsub!(/[^a-zA-Z0-9_\-.]/, '')
-
-  redirect_uri = '/dashboard'
-  redirect_uri += "?dir=#{Rack::Utils.escape params[:dir]}" if params[:dir]
-
-  if filename.nil? || filename.strip.empty?
-    flash[:error] = 'You must provide a file name.'
-    redirect redirect_uri
-  end
-
-  name = "#{filename}"
-
-  name = "#{params[:dir]}/#{name}" if params[:dir]
-
-  name = current_site.scrubbed_path name
-
-  if current_site.file_exists?(name)
-    flash[:error] = %{Web page "#{Rack::Utils.escape_html name}" already exists! Choose another name.}
-    redirect redirect_uri
-  end
-
-  if SiteFile.name_too_long?(name)
-    flash[:error] = "File name is too long (exceeds #{SiteFile::FILE_NAME_CHARACTER_LIMIT} characters)."
-    redirect redirect_uri
-  end
-
-  extname = File.extname name
-
-  unless extname.empty? || extname.match(/^\.#{Site::EDITABLE_FILE_EXT}/i)
-    flash[:error] = "Must be an editable text file type (#{Site::VALID_EDITABLE_EXTENSIONS.join(', ')})."
-    redirect redirect_uri
-  end
-
-  site_file = current_site.site_files_dataset.where(path: name).first
-
-  if site_file
-    flash[:error] = 'File already exists, cannot create.'
-    redirect redirect_uri
-  end
-
-  if extname.match(/^\.html|^\.htm/i)
-    begin
-      current_site.install_new_html_file name
-    rescue Sequel::UniqueConstraintViolation
-    end
-  else
-    file_path = current_site.files_path(name)
-    File.open(file_path, 'a', 0640) {}
-
-    site_file ||= SiteFile.new site_id: current_site.id, path: name
-
-    site_file.size = 0
-    site_file.set size: 0
-    site_file.set sha1_hash: Digest::SHA1.hexdigest('')
-    site_file.set updated_at: Time.now
-    site_file.save
-  end
-
-  escaped_name = Rack::Utils.escape_html name
-
-  flash[:success] = %{#{escaped_name} was created! <a style="color: #FFFFFF; text-decoration: underline" href="/site_files/text_editor/#{escaped_name}">Click here to edit it</a>.}
-
-  redirect redirect_uri
-end
-
-def file_upload_response(error=nil)
-  if error
-    flash[:error] = error
-  end
-
-  if params[:from_button]
-    query_string = params[:dir] ? "?"+Rack::Utils.build_query(dir: params[:dir]) : ''
-    redirect "/dashboard#{query_string}"
-  else
-    halt 406, error if error
-    halt 200, 'File(s) successfully uploaded.'
-  end
-end
-
-def require_login_file_upload_ajax
-  file_upload_response 'You are not signed in!' unless signed_in?
-end
-
 post '/site_files/delete' do
   require_login
   path = HTMLEntities.new.decode params[:filename]
diff --git a/models/site.rb b/models/site.rb
index 1931d817..0fc2f8d9 100644
--- a/models/site.rb
+++ b/models/site.rb
@@ -761,6 +761,11 @@ class Site < Sequel::Model
   end
 
   def self.valid_file_mime_type_and_ext?(mime_type, extname)
+    # For files with no extension, only check mime type
+    if extname == ''
+      return mime_type =~ /text/ || mime_type == 'application/json' || mime_type =~ /inode\/x-empty/
+    end
+
     valid_mime_type = Site::VALID_MIME_TYPES.include?(mime_type) || mime_type =~ /text/ || mime_type =~ /inode\/x-empty/
     valid_extension = Site::VALID_EXTENSIONS.include?(extname.sub(/^./, '').downcase)
     unless valid_extension
@@ -773,11 +778,6 @@ class Site < Sequel::Model
     mime_type = Magic.guess_file_mime_type uploaded_file[:tempfile].path
     extname = File.extname uploaded_file[:filename]
 
-    # Possibly needed logic for .dotfiles
-    #if extname == ''
-    #  extname = uploaded_file[:filename]
-    #end
-
     return false unless valid_file_mime_type_and_ext?(mime_type, extname)
 
     # clamdscan doesn't work on continuous integration for testing
diff --git a/public/js/dashboard.js b/public/js/dashboard.js
index 33eb40d2..6de63671 100644
--- a/public/js/dashboard.js
+++ b/public/js/dashboard.js
@@ -36,8 +36,54 @@ $('#createDir').on('shown', function () {
 
 $('#createFile').on('shown', function () {
   $('#newFileInput').focus();
+  $('#newFileInput').val('');
+  clearCreateFileError();
 })
 
+function showCreateFileError(message) {
+  var errorDiv = $('#createFileError');
+  errorDiv.text(message);
+  errorDiv.show();
+}
+
+function clearCreateFileError() {
+  var errorDiv = $('#createFileError');
+  errorDiv.hide();
+  errorDiv.text('');
+}
+
+function fileExists(filePath) {
+  // Check if a file with this path already exists in the current file listing
+  // Each file has a hidden div containing the file path
+  var exists = false;
+  var lowerFilePath = filePath.toLowerCase();
+  
+  $('#filesDisplay .file .overlay div[style*="display: none"]').each(function() {
+    var existingPath = $(this).text().trim();
+    if (existingPath.toLowerCase() === lowerFilePath) {
+      exists = true;
+      return false; // Break out of each loop
+    }
+  });
+  
+  return exists;
+}
+
+$('#newFileInput').on('keypress', function(e) {
+  if (e.which === 13) { // Enter key
+    handleCreateFile();
+  }
+})
+
+function handleCreateFile() {
+  var filename = $('#newFileInput').val();
+  var dir = $('#createFileDir').val();
+  var csrfToken = $('#createFileCSRFToken').val();
+  
+  // Don't hide modal yet - wait for success or error
+  createFileViaAPI(filename, dir, csrfToken);
+}
+
 function listView() {
   if(localStorage)
     localStorage.setItem('viewType', 'list')
@@ -153,5 +199,98 @@ function reloadDashboardFiles() {
   });
 }
 
+function createFileViaAPI(filename, dir, csrfToken) {
+  clearCreateFileError();
+  showUploadProgress();
+  
+  filename = filename.replace(/[^a-zA-Z0-9_\-.]/g, '');
+  
+  if (!filename || filename.trim() === '') {
+    hideUploadProgress();
+    showCreateFileError('You must provide a file name.');
+    return;
+  }
+  
+  var extMatch = filename.match(/\.([^.]+)$/);
+
+  // Check if extension is allowed for editing (if there is one)
+  if (extMatch) {
+    var extension = extMatch[1].toLowerCase();
+    var validExtensions = [
+      'html', 'htm', 'txt', 'js', 'css', 'scss', 'md', 'manifest', 'less', 
+      'webmanifest', 'xml', 'json', 'opml', 'rdf', 'svg', 'gpg', 'pgp', 
+      'resolvehandle', 'pls', 'yaml', 'yml', 'toml', 'osdx', 'mjs', 'cjs', 
+      'ts', 'py', 'rss', 'glsl'
+    ];
+    
+    if (validExtensions.indexOf(extension) === -1) {
+      hideUploadProgress();
+      showCreateFileError('Must be an editable file type (' + validExtensions.join(', ') + ') or a file with no extension.');
+      return;
+    }
+  }
+  // Files with no extension are allowed (they're treated as text files)
+  
+  var fullPath = dir ? joinPaths(dir, filename) : filename;
+  
+  // Check if file already exists
+  if (fileExists(fullPath)) {
+    hideUploadProgress();
+    showCreateFileError('A file with this name already exists. Please choose a different name.');
+    return;
+  }
+  
+  var isHTML = /\.(html|htm)$/i.test(filename);
+  
+  // Create default HTML template content
+  var htmlTemplate = '<!DOCTYPE html>\n' +
+    '<html>\n' +
+    '  <head>\n' +
+    '    <meta charset="UTF-8">\n' +
+    '    <meta name="viewport" content="width=device-width, initial-scale=1.0">\n' +
+    '    <title>My Page</title>\n' +
+    '    <link href="/style.css" rel="stylesheet" type="text/css" media="all">\n' +
+    '  </head>\n' +
+    '  <body>\n' +
+    '  </body>\n' +
+    '</html>';
+  
+  var content = isHTML ? htmlTemplate : '';
+  
+  // Create a blob with the content
+  var blob = new Blob([content], { type: 'text/plain' });
+  
+  // Create FormData for the API upload
+  var formData = new FormData();
+  formData.append('csrf_token', csrfToken);
+  formData.append(fullPath, blob, filename);
+  
+  $.ajax({
+    url: '/api/upload',
+    type: 'POST',
+    data: formData,
+    processData: false,
+    contentType: false,
+    success: function(response) {
+      hideUploadProgress();
+      alertClear();
+      alertType('success');
+      var escapedName = $('<div>').text(fullPath).html(); // HTML escape
+      alertAdd(escapedName + ' was created! <a style="color: #FFFFFF; text-decoration: underline" href="/site_files/text_editor/' + encodeURIComponent(fullPath) + '">Click here to edit it</a>.');
+      reloadDashboardFiles();
+      $('#createFile').modal('hide'); // Hide modal on success
+    },
+    error: function(xhr) {
+      hideUploadProgress();
+      try {
+        var errorData = JSON.parse(xhr.responseText);
+        showCreateFileError(errorData.message || 'Failed to create file');
+      } catch(e) {
+        showCreateFileError('Failed to create file');
+      }
+    }
+  });
+}
+
 // for first time load
 reInitDashboardFiles();
diff --git a/tests/acceptance/dashboard_tests.rb b/tests/acceptance/dashboard_tests.rb
index c3afe4dd..b89947ce 100644
--- a/tests/acceptance/dashboard_tests.rb
+++ b/tests/acceptance/dashboard_tests.rb
@@ -13,6 +13,10 @@ describe 'dashboard' do
         page.set_rack_session id: @site.id
       end
 
+      after do
+        Capybara.default_driver = :rack_test
+      end
+
       it 'records a dashboard access' do
         _(@site.reload.dashboard_accessed).must_equal false
         visit '/dashboard'
@@ -30,13 +34,20 @@ describe 'dashboard' do
       end
 
       it 'creates a new file' do
+        Capybara.default_driver = :selenium_chrome_headless_largewindow
         random = SecureRandom.uuid.gsub('-', '')
+      
+        page.set_rack_session id: @site.id
         visit '/dashboard'
+        _(page).must_have_content('Home')
+        _(page).must_have_link('New File')
         click_link 'New File'
+        # Wait for modal to appear
+        _(page).must_have_css('#createFile', visible: true)
         fill_in 'filename', with: "#{random}.html"
-        #click_button 'Create'
-        all('#createFile button[type=submit]').first.click
-        _(page).must_have_content /#{random}\.html/
+        find('#createFile .btn-Action').click
+        # Wait for the file to appear in the listing
+        _(page).must_have_content(/#{Regexp.escape(random)}\.html/)
         _(File.exist?(@site.files_path("#{random}.html"))).must_equal true
       end
     end
diff --git a/tests/api_tests.rb b/tests/api_tests.rb
index a4e3174d..45ad37b5 100644
--- a/tests/api_tests.rb
+++ b/tests/api_tests.rb
@@ -467,11 +467,21 @@ describe 'api' do
       _(res[:error_type]).must_equal 'invalid_file_type'
     end
 
-    it 'fails for file with no extension' do
+    it 'succeeds for plain text file with no extension' do
       create_site
       basic_authorize @user, @pass
       post '/api/upload', {
-        'derpie' => Rack::Test::UploadedFile.new('./tests/files/test.jpg', 'image/jpeg')
+        'LICENSE' => Rack::Test::UploadedFile.new('./tests/files/text-file', 'text/plain')
+      }
+      _(res[:result]).must_equal 'success'
+      _(site_file_exists?('LICENSE')).must_equal true
+    end
+
+    it 'fails for non-text file with no extension' do
+      create_site
+      basic_authorize @user, @pass
+      post '/api/upload', {
+        'binaryfile' => Rack::Test::UploadedFile.new('./tests/files/test.jpg', 'image/jpeg')
       }
       _(res[:error_type]).must_equal 'invalid_file_type'
     end
diff --git a/tests/site_file_tests.rb b/tests/site_file_tests.rb
index d9cb23a7..958e691e 100644
--- a/tests/site_file_tests.rb
+++ b/tests/site_file_tests.rb
@@ -24,34 +24,6 @@ describe 'site_files' do
     ScreenshotWorker.jobs.clear
   end
 
-  describe 'install' do
-    it 'installs new html file' do
-      post '/site_files/create', {filename: 'test.html', csrf_token: 'abcd'}, {'rack.session' => { 'id' => @site.id, '_csrf_token' => 'abcd' }}
-      _(last_response.body).must_equal ""
-      _(last_response.status).must_equal 302
-      _(last_response.headers['Location']).must_match /dashboard/
-      testfile = @site.site_files_dataset.where(path: 'test.html').first
-      _(testfile).wont_equal nil
-      _(File.exists?(@site.files_path('test.html'))).must_equal true
-      _(PurgeCacheWorker.jobs.length).must_equal 1
-      _(PurgeCacheWorker.jobs.first['args'].last).must_equal '/test'
-    end
-
-    it 'rejects filenames that exceed the character limit' do
-      long_filename = 'a' * (SiteFile::FILE_NAME_CHARACTER_LIMIT + 1) + '.html'
-
-      post '/site_files/create', {filename: long_filename, csrf_token: 'abcd'}, {'rack.session' => { 'id' => @site.id, '_csrf_token' => 'abcd' }}
-
-      _(last_response.status).must_equal 302
-      _(last_response.headers['Location']).must_match /dashboard/
-
-      # Check for error message by following the redirect
-      get '/dashboard', {}, {'rack.session' => { 'id' => @site.id, '_csrf_token' => 'abcd' }}
-      _(last_response.body).must_match /file name is too long/i
-      _(last_response.body).must_match /exceeds #{SiteFile::FILE_NAME_CHARACTER_LIMIT} characters/
-    end
-  end
-
   describe 'rename' do
     before do
       PurgeCacheWorker.jobs.clear
diff --git a/views/dashboard/index.erb b/views/dashboard/index.erb
index 7772cf30..71b7590e 100644
--- a/views/dashboard/index.erb
+++ b/views/dashboard/index.erb
@@ -155,22 +155,24 @@
 </div>
 
 <div class="modal hide" id="createFile" tabindex="-1" role="dialog" aria-labelledby="createFileLabel" aria-hidden="true">
-  <form method="post" action="/site_files/create">
-    <input type="hidden" value="<%= csrf_token %>" name="csrf_token">
-    <input type="hidden" value="<%= @dir %>" name="dir">
+  <form id="createFileForm" onsubmit="return false;">
+    <input type="hidden" value="<%= csrf_token %>" name="csrf_token" id="createFileCSRFToken">
+    <input type="hidden" value="<%= @dir %>" name="dir" id="createFileDir">
     <div class="modal-header">
       <button class="close" type="button" data-dismiss="modal" aria-hidden="true"><i class="fa fa-times"></i></button>
       <h3 id="createFileLabel">Create New File</h3>
     </div>
     <div class="modal-body">
+      <div id="createFileError" class="alert alert-error" style="display: none; margin-bottom: 15px;"></div>
       <input id="newFileInput" name="filename" type="text" placeholder="newfile.html">
       <p>Note: We will automatically scrub any characters not matching: a-z A-Z 0-9 _ - .</p>
+      <p>Allowed file types: html, htm, txt, js, css, md, json, xml, py, and others. Must be an editable file type.</p>
     </div>
     <div class="modal-footer">
       <button type="button" class="btn cancel" data-dismiss="modal" aria-hidden="true">Cancel</button>
-      <button type="submit" class="btn-Action">Create</button>
+      <button type="button" class="btn-Action" onclick="handleCreateFile()">Create</button>
     </div>
   </form>
 </div>
 
-<script src="/js/dashboard.js"><script>
\ No newline at end of file
+<script src="/js/dashboard.js"></script>
\ No newline at end of file
diff --git a/views/site_files/new_page.erb b/views/site_files/new_page.erb
deleted file mode 100644
index 31839b31..00000000
--- a/views/site_files/new_page.erb
+++ /dev/null
@@ -1,32 +0,0 @@
-<div class="header-Outro">
-  <div class="row content single-Col">
-    <h1>New Page</h1>
-    <h3 class="subtitle">Create a new HTML page</h3>
-  </div>
-</div>
-
-<div class="content single-Col misc-page txt-Center">
-  <article>
-    <section>
-      <% if @errors %>
-        <div class="alert alert-error alert-block">
-          <% @errors.each do |error| %>
-            <%= error %>
-          <% end %>
-        </div>
-      <% end %>
-    </section>
-    <section>
-      <form method="POST" action="/site_files/create" enctype="multipart/form-data">
-        <%== csrf_token_input_html %>
-        <input name="dir" type="hidden" value="<%= params[:dir] %>">
-        <h2>What's the name of your page?</h2>
-        <p><input type="text" name="filename" autocapitalize="off" autocorrect="off">.html</p>
-        <p><input class="btn-Action" type="submit" value="Create Page"></p>
-
-        <p>Note: We will automatically scrub any characters not matching: a-z A-Z 0-9 _ - .</p>
-        <p>Page must not already exist.</p>
-        <p>If you want to make this the index page (and an index page doesn't exist), name it <strong>index.html</strong>.</p>
-    </section>
-  </article>
-</div>