diff --git a/flat.go b/flat.go
new file mode 100644
index 0000000..a070da9
--- /dev/null
+++ b/flat.go
@@ -0,0 +1,31 @@
+package channel
+
+func FlatSlice[T any](source <-chan []T) <-chan T {
+	out := make(chan T, cap(source))
+
+	go func() {
+		defer close(out)
+		for slice := range source {
+			for _, v := range slice {
+				out <- v
+			}
+		}
+	}()
+
+	return out
+}
+
+func FlatChan[T any](source <-chan chan T) <-chan T {
+	out := make(chan T, cap(source))
+
+	go func() {
+		defer close(out)
+		for ch := range source {
+			for v := range ch {
+				out <- v
+			}
+		}
+	}()
+
+	return out
+}