diff --git a/packages/core/src/Modifiers.ts b/packages/core/src/Modifiers.ts
index bb928fa26..f54c36da0 100644
--- a/packages/core/src/Modifiers.ts
+++ b/packages/core/src/Modifiers.ts
@@ -109,6 +109,12 @@ export class Modifiers {
         }
         return found;
     }
+    /**
+     * Return all the modifiers instances that are hold by `this`.
+     */
+    getContent(): Modifier[] {
+        return this._contents;
+    }
     /**
      * Return all modifiers in the array that are an instance of the given
      * modifier class, if any.
@@ -198,6 +204,20 @@ export class Modifiers {
             return true;
         }
     }
+    /**
+     * Replace the modifiers that have the same constructor. Otherwise append
+     * them.
+     */
+    replaceOrAppend(modifiers: Modifiers): void {
+        for (const modifier of modifiers.getContent()) {
+            const foundModifier = this.find(modifier.constructor);
+            if (foundModifier) {
+                this.replace(foundModifier, modifier);
+            } else {
+                this.append(modifier.clone());
+            }
+        }
+    }
     /**
      * Remove the first modifier in the array that is an instance of the given
      * modifier class or that matches the particular instance passed.
diff --git a/packages/core/test/modifiers.test.ts b/packages/core/test/modifiers.test.ts
new file mode 100644
index 000000000..9c7ae114f
--- /dev/null
+++ b/packages/core/test/modifiers.test.ts
@@ -0,0 +1,41 @@
+import { Modifiers } from '../src/Modifiers';
+import { Modifier } from '../src/Modifier';
+import { expect } from 'chai';
+
+function id<T>(x: T): T {
+    return x;
+}
+describe('core', () => {
+    describe('Modifiers', () => {
+        describe('prepend()', () => {
+            it('should prepend multiples modifier in proper order', () => {
+                const modifiers = new Modifiers();
+                const m1 = new Modifier();
+                const m2 = new Modifier();
+                const m3 = new Modifier();
+                const m4 = new Modifier();
+                modifiers.prepend(m1, m2, m3, m4);
+                const modifiersMap = modifiers.map(id);
+                expect(modifiersMap[0]).to.equal(m1);
+                expect(modifiersMap[1]).to.equal(m2);
+                expect(modifiersMap[2]).to.equal(m3);
+                expect(modifiersMap[3]).to.equal(m4);
+            });
+        });
+        describe('replaceOrAppend()', () => {
+            it('', () => {
+                class Modifier1 extends Modifier {}
+                class Modifier2 extends Modifier {}
+                const m1a = new Modifier1();
+                const m1b = new Modifier1();
+                const m2 = new Modifier2();
+                const modifiers1 = new Modifiers(m1a, m2);
+                modifiers1.replaceOrAppend(new Modifiers(m1b));
+                const allModifiers = modifiers1.getContent();
+                expect(allModifiers.length).to.eql(2);
+                expect(allModifiers[0]).to.eql(m1b);
+                expect(allModifiers[1]).to.eql(m2);
+            });
+        });
+    });
+});
diff --git a/packages/plugin-char/src/Char.ts b/packages/plugin-char/src/Char.ts
index 9dde0c6fd..7b5ff8bde 100644
--- a/packages/plugin-char/src/Char.ts
+++ b/packages/plugin-char/src/Char.ts
@@ -59,7 +59,7 @@ export class Char<T extends JWPluginConfig = JWPluginConfig> extends JWPlugin<T>
         const inline = this.editor.plugins.get(Inline);
         const modifiers = inline.getCurrentModifiers(range);
         if (params.formats) {
-            modifiers.append(...params.formats.map(format => format.clone()));
+            modifiers.replaceOrAppend(params.formats);
         }
         const style = inline.getCurrentStyle(range);
         // Remove the contents of the range if needed.
diff --git a/packages/plugin-link/src/LinkFormat.ts b/packages/plugin-link/src/LinkFormat.ts
index 3006701d2..dcdec0861 100644
--- a/packages/plugin-link/src/LinkFormat.ts
+++ b/packages/plugin-link/src/LinkFormat.ts
@@ -17,4 +17,13 @@ export class LinkFormat extends Format {
         element.setAttribute('href', this.url);
         return element;
     }
+
+    /**
+     * @override
+     */
+    clone(): this {
+        const clone = super.clone();
+        clone.url = this.url;
+        return clone;
+    }
 }
diff --git a/packages/plugin-link/test/LinkFormat.test.ts b/packages/plugin-link/test/LinkFormat.test.ts
new file mode 100644
index 000000000..4eac63974
--- /dev/null
+++ b/packages/plugin-link/test/LinkFormat.test.ts
@@ -0,0 +1,12 @@
+import { LinkFormat } from '../src/LinkFormat';
+import { expect } from 'chai';
+describe('Link', () => {
+    describe('LinkFormat', () => {
+        describe('clone()', () => {
+            it('should clone the link with proper url', () => {
+                const format = new LinkFormat('/url');
+                expect(format.clone().url).to.eql('/url');
+            });
+        });
+    });
+});