diff --git a/build_to_wasm.sh b/build_to_wasm.sh
new file mode 100755
index 0000000000..6eb3b49cf1
--- /dev/null
+++ b/build_to_wasm.sh
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+set -e
+set -x
+
+emcmake cmake \
+    -DCMAKE_BUILD_TYPE=Debug \
+    -DCMAKE_CXX_FLAGS_DEBUG="-Wall -Wextra -fexceptions" \
+    -DWITH_LLVM=no \
+    -DLPYTHON_BUILD_ALL=yes \
+    -DLPYTHON_BUILD_TO_WASM=yes \
+    -DWITH_STACKTRACE=no \
+    -DWITH_LSP=no \
+    -DWITH_LFORTRAN_BINARY_MODFILES=no \
+    -DCMAKE_PREFIX_PATH="$CMAKE_PREFIX_PATH_LFORTRAN;$CONDA_PREFIX" \
+    -DCMAKE_INSTALL_PREFIX=`pwd`/inst \
+    .
+cmake --build . -j16