diff --git a/README.md b/README.md
new file mode 100644
index 0000000..10b6cef
--- /dev/null
+++ b/README.md
@@ -0,0 +1,16 @@
+# export dotenv
+
+I've caught myself prefixing a `local.env`'s lines with `export ` more
+times than I'd care to admit ... which this prevents!
+
+## Usage
+
+Put binary on your path from
+
+- Releases
+- `git clone` and `cargo build --release`
+
+```console
+$ echo 'HELLO=friend' > example.env
+$ export-dotenv example.env | source /dev/stdin
+```