diff --git a/lib/liquid/standardfilters.rb b/lib/liquid/standardfilters.rb
index 18c79f3cc..22922c6e5 100644
--- a/lib/liquid/standardfilters.rb
+++ b/lib/liquid/standardfilters.rb
@@ -3,6 +3,7 @@
 require 'cgi'
 require 'base64'
 require 'bigdecimal'
+require 'uri'
 
 module Liquid
   module StandardFilters
@@ -99,6 +100,36 @@ def escape_once(input)
       input.to_s.gsub(HTML_ESCAPE_ONCE_REGEXP, HTML_ESCAPE)
     end
 
+    def url_add_param(input, key, value)
+      begin
+        uri = URI.parse(input)
+        uri.query = URI.encode_www_form(
+          URI.decode_www_form(uri.query || '') << [key, value]
+        )
+
+        uri.to_s
+      rescue URI::InvalidURIError
+        raise_property_error(input)
+      end
+    end
+
+    def url_remove_param(input, key)
+      begin
+        uri = URI.parse(input)
+        query = URI.decode_www_form(uri.query || '').to_h
+        query.delete(key)
+        uri.query = if query.empty?
+          ''
+        else
+          URI.encode_www_form(query)
+        end
+
+        uri.to_s
+      rescue URI::InvalidURIError
+        raise_property_error(input)
+      end
+    end
+
     # @liquid_public_docs
     # @liquid_type filter
     # @liquid_category string
diff --git a/test/integration/standard_filter_test.rb b/test/integration/standard_filter_test.rb
index b633024bd..d6862a36d 100644
--- a/test/integration/standard_filter_test.rb
+++ b/test/integration/standard_filter_test.rb
@@ -204,6 +204,30 @@ def test_base64_url_safe_decode
     assert_equal('Liquid error: invalid base64 provided to base64_url_safe_decode', exception.message)
   end
 
+  def test_url_add_param
+    assert_equal('https://shopify.com?foo=bar', @filters.url_add_param('https://shopify.com', 'foo', 'bar'))
+    assert_equal('https://shopify.com?foo=bar&baz=qux', @filters.url_add_param('https://shopify.com?foo=bar', 'baz', 'qux'))
+    assert_equal('https://shopify.com?foo=bar#baz', @filters.url_add_param('https://shopify.com#baz', 'foo', 'bar'))
+    assert_equal('not-an-url?foo=bar', @filters.url_add_param('not-an-url', 'foo', 'bar'))
+    assert_equal('not-an-url?foo=bar&baz=qux', @filters.url_add_param('not-an-url?foo=bar', 'baz', 'qux'))
+    assert_equal('not-an-url?foo=bar#baz', @filters.url_add_param('not-an-url#baz', 'foo', 'bar'))
+    assert_equal('?foo=bar', @filters.url_add_param('', 'foo', 'bar'))
+    assert_equal('?foo=bar&baz=qux', @filters.url_add_param('?foo=bar', 'baz', 'qux'))
+    assert_equal('?foo=bar#baz', @filters.url_add_param('#baz', 'foo', 'bar'))
+  end
+
+  def test_url_remove_param
+    assert_equal('https://shopify.com?', @filters.url_remove_param('https://shopify.com?foo=bar', 'foo'))
+    assert_equal('https://shopify.com?foo=bar', @filters.url_remove_param('https://shopify.com?foo=bar&baz=qux', 'baz'))
+    assert_equal('https://shopify.com?#baz', @filters.url_remove_param('https://shopify.com?foo=bar#baz', 'foo'))
+    assert_equal('not-an-url?', @filters.url_remove_param('not-an-url', 'foo'))
+    assert_equal('not-an-url?foo=bar', @filters.url_remove_param('not-an-url?foo=bar&baz=qux', 'baz'))
+    assert_equal('not-an-url?#baz', @filters.url_remove_param('not-an-url#baz', 'foo'))
+    assert_equal('?', @filters.url_remove_param('?foo=bar', 'foo'))
+    assert_equal('?foo=bar', @filters.url_remove_param('?foo=bar&baz=qux', 'baz'))
+    assert_equal('?#baz', @filters.url_remove_param('?foo=bar#baz', 'foo'))
+  end
+
   def test_url_encode
     assert_equal('foo%2B1%40example.com', @filters.url_encode('foo+1@example.com'))
     assert_equal('1', @filters.url_encode(1))