diff --git a/README.md b/README.md
index 9c9c331..83e5a3c 100644
--- a/README.md
+++ b/README.md
@@ -35,10 +35,11 @@ saving a file and to run `do-reformat.sh` when you hit `<F1>`.
 - css
 - cscc
 - sh
+- dart
 
-Python and go use `black` and `gofmt` respectively.  The rest use `prettier`.
-Adding new programming languages is easy, assuming they have a formatter with
-a dry run mode.
+Python uses `black`; go uses `gofmt`; dart uses `dart format`.  The rest use
+`prettier`.  Adding new programming languages is easy, assuming they have a
+formatter with a dry run mode.
 
 # Installation
 
diff --git a/_reformat-common.sh b/_reformat-common.sh
index 19152ff..b129897 100644
--- a/_reformat-common.sh
+++ b/_reformat-common.sh
@@ -29,6 +29,8 @@ function sniff_file_type() {
         file_type="sh"
     elif [[ $ff = *.go ]] ; then
         file_type="golang"
+    elif [[ $ff = *.dart ]] ; then
+        file_type="dart"
     fi
 
     echo $file_type
diff --git a/do-reformat.sh b/do-reformat.sh
index 042f0b9..497d53c 100755
--- a/do-reformat.sh
+++ b/do-reformat.sh
@@ -33,6 +33,10 @@ elif [[ $file_type == "golang" ]] ; then
     out=$(gofmt -w "$file" 2>/dev/null)
     retval="$?"
     success_retval=0
+elif [[ $file_type == "dart" ]] ; then
+    out=$(dart format $file)
+    retval="$?"
+    success_retval=0
 else
     echo -n "ignoring"
     exit 0
diff --git a/would-reformat.sh b/would-reformat.sh
index 96ab8ff..ebd39aa 100755
--- a/would-reformat.sh
+++ b/would-reformat.sh
@@ -58,6 +58,15 @@ elif [[ $file_type == "golang" ]] ; then
         # success
         retval="$exitval"
     fi
+elif [[ $file_type == "dart" ]] ; then
+    success_retval=0
+    would_reformat_retval=1
+    # probably others too :(
+    syntax_error_retval=65
+
+    out=$(dart format -o none --set-exit-if-changed $file)
+    exitval="$?"
+    retval="$exitval"
 else
     echo -n "ignoring"
     exit 0