diff --git a/script/migrate-content-to-slugged-urls.rb b/script/migrate-content-to-slugged-urls.rb
new file mode 100755
index 000000000..5022858ec
--- /dev/null
+++ b/script/migrate-content-to-slugged-urls.rb
@@ -0,0 +1,70 @@
+#!/usr/bin/env ruby
+
+require_relative "../config/environment"
+
+domains = {
+  "production" => "fizzy.37signals.com",
+  "beta" => "fizzy-beta.37signals.com",
+  "staging" => "fizzy.37signals-staging.com"
+}
+
+def fix_attachments(rich_text)
+  if rich_text.body
+    rich_text.body.send(:attachment_nodes).each do |node|
+      sgid = SignedGlobalID.parse(node["sgid"], for: ActionText::Attachable::LOCATOR_NAME)
+      if sgid
+        puts "Fixing attachment node: #{node.to_html}"
+        model = sgid.model_class.find(sgid.model_id)
+        node["sgid"] = model.attachable_sgid
+      else
+        puts "Skipping attachment node without valid sgid: #{node.to_html}"
+      end
+    end
+    rich_text.save!
+  end
+end
+
+ApplicationRecord.with_each_tenant do |tenant|
+  account_id = Account.first.queenbee_id
+
+  unless account_id
+    puts "Skipping URL fixup for tenant: #{tenant}"
+    next
+  end
+
+  puts "\n## Processing tenant: #{tenant}\n"
+
+  domain = domains[Rails.env] || domains["production"]
+  regex = %r{://\w+\.#{domain}/}
+
+  pp [ Account.first.name, account_id, domain, regex ]
+  puts
+
+  Card.find_each do |card|
+    puts "### Processing card #{card.id} in #{Rails.application.routes.url_helpers.collection_card_path(card.collection, card)}"
+    fix_attachments(card.description)
+    card.reload
+
+    old_body = card.description.body.to_s
+    if match = regex.match(old_body)
+      puts "URL found in card #{card.id} in #{Rails.application.routes.url_helpers.collection_card_path(card.collection, card)}"
+      new_body = old_body.gsub(regex, "://#{domain}/#{account_id}/")
+
+      card.description.update(body: new_body) || raise("Failed to update card description for card #{card.id}")
+    end
+  end
+
+  Comment.find_each do |comment|
+    puts "### Processing comment #{comment.id} in #{Rails.application.routes.url_helpers.collection_card_path(comment.card.collection, comment.card)}"
+    fix_attachments(comment.body)
+    comment.reload
+
+    old_body = comment.body.body.to_s
+    if match = regex.match(old_body)
+      puts "URL found in comment #{comment.id} in #{Rails.application.routes.url_helpers.collection_card_path(comment.card.collection, comment.card)}"
+      new_body = old_body.gsub(regex, "://#{domain}/#{account_id}/")
+
+      comment.body.update(body: new_body) || raise("Failed to update comment body for comment #{comment.id}")
+    end
+  end
+end