diff --git a/packages/slate/src/changes/at-current-range.js b/packages/slate/src/changes/at-current-range.js
index 7040c5c08..3899c42e0 100644
--- a/packages/slate/src/changes/at-current-range.js
+++ b/packages/slate/src/changes/at-current-range.js
@@ -72,6 +72,17 @@ Changes.addMark = (change, mark) => {
   }
 }
 
+/**
+ * Add a list of `marks` to the characters in the current selection.
+ *
+ * @param {Change} change
+ * @param {Mark} mark
+ */
+
+Changes.addMarks = (change, marks) => {
+  marks.forEach(mark => change.addMark(mark))
+}
+
 /**
  * Delete at the current selection.
  *
diff --git a/packages/slate/src/changes/at-range.js b/packages/slate/src/changes/at-range.js
index 391561c1c..6762f83f1 100644
--- a/packages/slate/src/changes/at-range.js
+++ b/packages/slate/src/changes/at-range.js
@@ -47,6 +47,20 @@ Changes.addMarkAtRange = (change, range, mark, options = {}) => {
   })
 }
 
+/**
+ * Add a list of `marks` to the characters at `range`.
+ *
+ * @param {Change} change
+ * @param {Range} range
+ * @param {Array<Mixed>} mark
+ * @param {Object} options
+ *   @property {Boolean} normalize
+ */
+
+Changes.addMarksAtRange = (change, range, marks, options = {}) => {
+  marks.forEach(mark => change.addMarkAtRange(range, mark, options))
+}
+
 /**
  * Delete everything in a `range`.
  *
diff --git a/packages/slate/test/changes/at-current-range/add-marks/across-blocks.js b/packages/slate/test/changes/at-current-range/add-marks/across-blocks.js
new file mode 100644
index 000000000..84d3e3705
--- /dev/null
+++ b/packages/slate/test/changes/at-current-range/add-marks/across-blocks.js
@@ -0,0 +1,33 @@
+/** @jsx h */
+
+import h from '../../../helpers/h'
+
+export default function (change) {
+  change.addMarks(['bold', 'italic'])
+}
+
+export const input = (
+  <value>
+    <document>
+      <paragraph>
+        wo<anchor />rd
+      </paragraph>
+      <paragraph>
+        an<focus />other
+      </paragraph>
+    </document>
+  </value>
+)
+
+export const output = (
+  <value>
+    <document>
+      <paragraph>
+        wo<anchor /><i><b>rd</b></i>
+      </paragraph>
+      <paragraph>
+        <i><b>an</b></i><focus />other
+      </paragraph>
+    </document>
+  </value>
+)
diff --git a/packages/slate/test/changes/at-current-range/add-marks/across-inlines.js b/packages/slate/test/changes/at-current-range/add-marks/across-inlines.js
new file mode 100644
index 000000000..683f1a4e7
--- /dev/null
+++ b/packages/slate/test/changes/at-current-range/add-marks/across-inlines.js
@@ -0,0 +1,37 @@
+/** @jsx h */
+
+import h from '../../../helpers/h'
+
+export default function (change) {
+  change.addMarks(['bold', 'italic'])
+}
+
+export const input = (
+  <value>
+    <document>
+      <paragraph>
+        <link>wo<anchor />rd</link>
+      </paragraph>
+      <paragraph>
+        <link>an<focus />other</link>
+      </paragraph>
+    </document>
+  </value>
+)
+
+export const output = (
+  <value>
+    <document>
+      <paragraph>
+        <link>
+          wo<anchor /><i><b>rd</b></i>
+        </link>
+      </paragraph>
+      <paragraph>
+        <link>
+        <i><b>an</b></i><focus />other
+        </link>
+      </paragraph>
+    </document>
+  </value>
+)
diff --git a/packages/slate/test/changes/at-current-range/add-marks/collapsed-selection.js b/packages/slate/test/changes/at-current-range/add-marks/collapsed-selection.js
new file mode 100644
index 000000000..c23b0aaee
--- /dev/null
+++ b/packages/slate/test/changes/at-current-range/add-marks/collapsed-selection.js
@@ -0,0 +1,29 @@
+/** @jsx h */
+
+import h from '../../../helpers/h'
+
+export default function (change) {
+  change
+    .addMarks(['bold', 'italic'])
+    .insertText('a')
+}
+
+export const input = (
+  <value>
+    <document>
+      <paragraph>
+        <cursor />word
+      </paragraph>
+    </document>
+  </value>
+)
+
+export const output = (
+  <value>
+    <document>
+      <paragraph>
+      <i><b>a</b></i><cursor />word
+      </paragraph>
+    </document>
+  </value>
+)
diff --git a/packages/slate/test/changes/at-current-range/add-marks/existing-marks.js b/packages/slate/test/changes/at-current-range/add-marks/existing-marks.js
new file mode 100644
index 000000000..84ffecc1e
--- /dev/null
+++ b/packages/slate/test/changes/at-current-range/add-marks/existing-marks.js
@@ -0,0 +1,27 @@
+/** @jsx h */
+
+import h from '../../../helpers/h'
+
+export default function (change) {
+  change.addMarks(['bold', 'underline'])
+}
+
+export const input = (
+  <value>
+    <document>
+      <paragraph>
+        <anchor /><i>wo<focus />rd</i>
+      </paragraph>
+    </document>
+  </value>
+)
+
+export const output = (
+  <value>
+    <document>
+      <paragraph>
+        <anchor /><u><b><i>wo</i></b></u><focus /><i>rd</i>
+      </paragraph>
+    </document>
+  </value>
+)
diff --git a/packages/slate/test/changes/at-current-range/add-marks/first-character.js b/packages/slate/test/changes/at-current-range/add-marks/first-character.js
new file mode 100644
index 000000000..a38b37bf7
--- /dev/null
+++ b/packages/slate/test/changes/at-current-range/add-marks/first-character.js
@@ -0,0 +1,27 @@
+/** @jsx h */
+
+import h from '../../../helpers/h'
+
+export default function (change) {
+  change.addMarks(['bold', 'italic'])
+}
+
+export const input = (
+  <value>
+    <document>
+      <paragraph>
+        <anchor />w<focus />ord
+      </paragraph>
+    </document>
+  </value>
+)
+
+export const output = (
+  <value>
+    <document>
+      <paragraph>
+        <anchor /><i><b>w</b></i><focus />ord
+      </paragraph>
+    </document>
+  </value>
+)
diff --git a/packages/slate/test/changes/at-current-range/add-marks/last-character.js b/packages/slate/test/changes/at-current-range/add-marks/last-character.js
new file mode 100644
index 000000000..0a1958ee5
--- /dev/null
+++ b/packages/slate/test/changes/at-current-range/add-marks/last-character.js
@@ -0,0 +1,27 @@
+/** @jsx h */
+
+import h from '../../../helpers/h'
+
+export default function (change) {
+  change.addMarks(['bold', 'italic'])
+}
+
+export const input = (
+  <value>
+    <document>
+      <paragraph>
+        wor<anchor />d<focus />
+      </paragraph>
+    </document>
+  </value>
+)
+
+export const output = (
+  <value>
+    <document>
+      <paragraph>
+        wor<anchor /><i><b>d</b></i><focus />
+      </paragraph>
+    </document>
+  </value>
+)
diff --git a/packages/slate/test/changes/at-current-range/add-marks/middle-character.js b/packages/slate/test/changes/at-current-range/add-marks/middle-character.js
new file mode 100644
index 000000000..c93680e99
--- /dev/null
+++ b/packages/slate/test/changes/at-current-range/add-marks/middle-character.js
@@ -0,0 +1,27 @@
+/** @jsx h */
+
+import h from '../../../helpers/h'
+
+export default function (change) {
+  change.addMarks(['bold', 'italic'])
+}
+
+export const input = (
+  <value>
+    <document>
+      <paragraph>
+        w<anchor />o<focus />rd
+      </paragraph>
+    </document>
+  </value>
+)
+
+export const output = (
+  <value>
+    <document>
+      <paragraph>
+        w<anchor /><i><b>o</b></i><focus />rd
+      </paragraph>
+    </document>
+  </value>
+)
diff --git a/packages/slate/test/changes/at-current-range/add-marks/whole-word.js b/packages/slate/test/changes/at-current-range/add-marks/whole-word.js
new file mode 100644
index 000000000..3d4de7b48
--- /dev/null
+++ b/packages/slate/test/changes/at-current-range/add-marks/whole-word.js
@@ -0,0 +1,27 @@
+/** @jsx h */
+
+import h from '../../../helpers/h'
+
+export default function (change) {
+  change.addMarks(['bold', 'italic'])
+}
+
+export const input = (
+  <value>
+    <document>
+      <paragraph>
+        <anchor />word<focus />
+      </paragraph>
+    </document>
+  </value>
+)
+
+export const output = (
+  <value>
+    <document>
+      <paragraph>
+        <anchor /><i><b>word</b></i><focus />
+      </paragraph>
+    </document>
+  </value>
+)
diff --git a/packages/slate/test/changes/at-current-range/add-marks/with-mark-object.js b/packages/slate/test/changes/at-current-range/add-marks/with-mark-object.js
new file mode 100644
index 000000000..16fa88d63
--- /dev/null
+++ b/packages/slate/test/changes/at-current-range/add-marks/with-mark-object.js
@@ -0,0 +1,41 @@
+/** @jsx h */
+
+import h from '../../../helpers/h'
+
+import { Mark } from '../../../..'
+
+
+export default function (change) {
+  const marks = []
+
+  marks.push(Mark.create({
+    type: 'bold',
+    data: { thing: 'value' }
+  }))
+  marks.push(Mark.create({
+    type: 'italic',
+    data: { thing2: 'value2' }
+  }))
+
+  change.addMarks(marks)
+}
+
+export const input = (
+  <value>
+    <document>
+      <paragraph>
+        <anchor />w<focus />ord
+      </paragraph>
+    </document>
+  </value>
+)
+
+export const output = (
+  <value>
+    <document>
+      <paragraph>
+        <anchor /><i thing2="value2"><b thing="value">w</b></i><focus />ord
+      </paragraph>
+    </document>
+  </value>
+)
diff --git a/packages/slate/test/changes/at-current-range/add-marks/with-plain-object.js b/packages/slate/test/changes/at-current-range/add-marks/with-plain-object.js
new file mode 100644
index 000000000..474471519
--- /dev/null
+++ b/packages/slate/test/changes/at-current-range/add-marks/with-plain-object.js
@@ -0,0 +1,38 @@
+/** @jsx h */
+
+import h from '../../../helpers/h'
+
+export default function (change) {
+  const marks = []
+
+  marks.push({
+    type: 'bold',
+    data: { thing: 'value' }
+  })
+  marks.push({
+    type: 'italic',
+    data: { thing2: 'value2' }
+  })
+
+  change.addMarks(marks)
+}
+
+export const input = (
+  <value>
+    <document>
+      <paragraph>
+        <anchor />w<focus />ord
+      </paragraph>
+    </document>
+  </value>
+)
+
+export const output = (
+  <value>
+    <document>
+      <paragraph>
+        <anchor /><i thing2="value2"><b thing="value">w</b></i><focus />ord
+      </paragraph>
+    </document>
+  </value>
+)