diff --git a/html/blt/index.html b/html/blt/index.html
new file mode 100644
index 0000000..3768c76
--- /dev/null
+++ b/html/blt/index.html
@@ -0,0 +1,60 @@
+
+
+
+
+
+
+
+
+
+ Ballot value:
+
+
+
+
+
+
+
+
Enter the candidates' names, one per line:
+
+
+
Warning: Adding, removing or reordering candidates once ballots have been input may result in unexpected behaviour.
+
+
+
+
+
diff --git a/html/blt/index.js b/html/blt/index.js
new file mode 100644
index 0000000..44f90ca
--- /dev/null
+++ b/html/blt/index.js
@@ -0,0 +1,178 @@
+/*
+ pyRCV2: Preferential vote counting
+ Copyright © 2020–2021 Lee Yingtong Li (RunasSudo)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see