diff --git a/methods/library/filters/filterBySize.js b/methods/library/filters/filterBySize.js
new file mode 100644
index 0000000..95a283c
--- /dev/null
+++ b/methods/library/filters/filterBySize.js
@@ -0,0 +1,34 @@
+
+
+function filterBySize(file, lowerBound, upperBound) {
+
+    try {
+
+        if (file.file_size / 1000 >= lowerBound && file.file_size / 1000 <= upperBound) {
+
+            var response = {
+                outcome: true,
+                note: `☑File size is within filter limits. \\n`
+            }
+            return response
+
+        } else {
+
+            var response = {
+                outcome: false,
+                note: `☒File size is not within filter limits. \\n`
+            }
+            return response
+
+        }
+
+    } catch (err) {
+        var response = {
+            outcome: false,
+            note:  `library.filters.filterBySize error: ${err.stack} \\n`
+        }
+        return response
+    }
+}
+
+module.exports = filterBySize
\ No newline at end of file