diff --git a/README.txt b/README.txt
index 1aaf8e7..2803865 100644
--- a/README.txt
+++ b/README.txt
@@ -62,6 +62,7 @@ Library
 - (open name ~scale) Imports a graphic file with format.
 - (import name ~shape) Imports a graphic file with format.
 - (export ~format ~quality) Exports a graphic file with format.
+- (files) Returns the list of loaded files.
 - (print string) Exports string to file.
 - (pos ~x ~y) Returns a position shape.
 - (line ax ay bx by) Returns a line shape.
diff --git a/index.html b/index.html
index ade82e3..8213ec8 100644
--- a/index.html
+++ b/index.html
@@ -593,15 +593,7 @@ function Client () {
   this.onMouseOut = (e) => {
     this.mouseOrigin = null
   }
-  this.onDrag = (e) => {
-    e.stopPropagation()
-    e.preventDefault()
-    e.dataTransfer.dropEffect = 'copy'
-  }
-  this.onDrop = (e) => {
-    e.preventDefault()
-    e.stopPropagation()
-    const file = e.dataTransfer.files[0]
+  this.parseFile = (file) => {
     if (file.name.indexOf('.lisp') > -1) {
       this.source.read(file, this.whenOpen)
       this.log('Loaded ' + file.name)
@@ -617,6 +609,18 @@ function Client () {
       console.warn('Unknown format', file)
     }
   }
+  this.onDrag = (e) => {
+    e.stopPropagation()
+    e.preventDefault()
+    e.dataTransfer.dropEffect = 'copy'
+  }
+  this.onDrop = (e) => {
+    e.preventDefault()
+    e.stopPropagation()
+    for (const file of e.dataTransfer.files) {
+      this.parseFile(file)
+    }
+  }
   this.cache = {
     data: {},
     set: (key, content) => {
@@ -900,6 +904,9 @@ function Library (client) {
     const type = `image/${format === 'jpeg' || format === 'jpg' ? 'jpeg' : 'png'}`
     client.source.write('ronin', format, client.surface.el.toDataURL(type, quality), type)
   }
+  this.files = () => {
+    return Object.keys(client.cache.data)
+  }
   this.pos = (x = 0, y = 0) => { // Returns a position shape.
     return { x, y }
   }
diff --git a/scripts/client.js b/scripts/client.js
index 407108e..9979055 100644
--- a/scripts/client.js
+++ b/scripts/client.js
@@ -158,17 +158,7 @@ function Client () {
     this.mouseOrigin = null
   }
 
-  this.onDrag = (e) => {
-    e.stopPropagation()
-    e.preventDefault()
-    e.dataTransfer.dropEffect = 'copy'
-  }
-
-  this.onDrop = (e) => {
-    e.preventDefault()
-    e.stopPropagation()
-    const file = e.dataTransfer.files[0]
-
+  this.parseFile = (file) => {
     if (file.name.indexOf('.lisp') > -1) {
       this.source.read(file, this.whenOpen)
       this.log('Loaded ' + file.name)
@@ -185,6 +175,20 @@ function Client () {
     }
   }
 
+  this.onDrag = (e) => {
+    e.stopPropagation()
+    e.preventDefault()
+    e.dataTransfer.dropEffect = 'copy'
+  }
+
+  this.onDrop = (e) => {
+    e.preventDefault()
+    e.stopPropagation()
+    for (const file of e.dataTransfer.files) {
+      this.parseFile(file)
+    }
+  }
+
   this.cache = {
     data: {},
     set: (key, content) => {
diff --git a/scripts/library.js b/scripts/library.js
index 8c8c997..465c366 100644
--- a/scripts/library.js
+++ b/scripts/library.js
@@ -25,6 +25,10 @@ function Library (client) {
     client.source.write('ronin', format, client.surface.el.toDataURL(type, quality), type)
   }
 
+  this.files = () => {
+    return Object.keys(client.cache.data)
+  }
+
   // Shapes
 
   this.pos = (x = 0, y = 0) => { // Returns a position shape.