diff --git a/packages/docs/components/molecules/Readmore/examples.md b/packages/docs/components/molecules/Readmore/examples.md
new file mode 100644
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+++ b/packages/docs/components/molecules/Readmore/examples.md
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+---
+title: Readmore examples
+---
+
+# Examples
+
+## Simple Readmore
+
+<PreviewIframe src="./stories/simple/story.html" />
+
+:::details Code
+
+<SimpleTabs :items="['app.twig', 'app.js']">
+  <template #content-1>
+
+<<< ./components/molecules/Readmore/stories/simple/app.twig
+
+  </template>
+  <template #content-2>
+
+<<< ./components/molecules/Readmore/stories/app.js
+
+  </template>
+</SimpleTabs>
+
+:::
diff --git a/packages/docs/components/molecules/Readmore/index.md b/packages/docs/components/molecules/Readmore/index.md
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+++ b/packages/docs/components/molecules/Readmore/index.md
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+# Readmore <Badges :texts="badges" />
+
+<script setup>
+  import pkg from '@studiometa/ui/molecules/Readmore/package.json';
+  const badges = [`v${pkg.version}`, 'Twig', 'JS'];
+</script>
+
+## Table of content
+
+- [Examples](./examples)
diff --git a/packages/docs/components/molecules/Readmore/stories/app.js b/packages/docs/components/molecules/Readmore/stories/app.js
new file mode 100644
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--- /dev/null
+++ b/packages/docs/components/molecules/Readmore/stories/app.js
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+import { Base, createApp } from '@studiometa/js-toolkit';
+import Readmore from '@studiometa/ui/molecules/Readmore/Readmore';
+
+class App extends Base {
+  static config = {
+    name: 'App',
+    components: {
+      Readmore,
+    },
+  };
+}
+
+export default createApp(App, document.body);
diff --git a/packages/docs/components/molecules/Readmore/stories/simple/app.twig b/packages/docs/components/molecules/Readmore/stories/simple/app.twig
new file mode 100644
index 00000000..455e152b
--- /dev/null
+++ b/packages/docs/components/molecules/Readmore/stories/simple/app.twig
@@ -0,0 +1,17 @@
+<div class="p-20 max-w-2xl mx-auto">
+  {% embed '@ui/molecules/Readmore/Readmore.twig'
+    with {
+      mainContent: 'Lorem ipsum, dolor sit amet consectetur adipisicing elit. Voluptatem expedita architecto maxime nostrum id voluptate perspiciatis sapiente explicabo earum culpa, sit fugit optio impedit iusto quos, illo, fugiat dolor sequi.',
+      hiddenContent: 'Lorem ipsum dolor sit amet consectetur adipisicing elit. Id expedita repellat debitis soluta praesentium magnam accusantium vero porro ullam, explicabo maiores harum incidunt fuga nisi? Accusamus odio voluptatum eos quas.',
+      data_options_btn_label_less: 'voir moins',
+      data_options_btn_label_more: 'voir plus'
+    }
+  %}
+    {% block button %}
+      {% include '@ui/atoms/Button/StyledButton.twig' with {
+        label: data_options_btn_label_more,
+        attr: { data_ref: 'btn' }
+      } %}
+    {% endblock %}
+  {% endembed %}
+</div>
diff --git a/packages/docs/components/molecules/Readmore/stories/simple/story.md b/packages/docs/components/molecules/Readmore/stories/simple/story.md
new file mode 100644
index 00000000..5960edcd
--- /dev/null
+++ b/packages/docs/components/molecules/Readmore/stories/simple/story.md
@@ -0,0 +1,5 @@
+---
+layout: none
+---
+
+<RenderTwig :js-importer="() => import('../app.js')" :tpl-importer="() => import('./app.twig?raw')" />
diff --git a/packages/ui/molecules/Readmore/Readmore.ts b/packages/ui/molecules/Readmore/Readmore.ts
new file mode 100644
index 00000000..cb7b0667
--- /dev/null
+++ b/packages/ui/molecules/Readmore/Readmore.ts
@@ -0,0 +1,94 @@
+import { Base } from '@studiometa/js-toolkit';
+import type { BaseProps, BaseConfig } from '@studiometa/js-toolkit';
+import { animate, easeInOutExpo } from '@studiometa/js-toolkit/utils';
+import type { Animate } from '@studiometa/js-toolkit/utils';
+/**
+ * Button Readmore class.
+ */
+export interface ReadmoreProps extends BaseProps {
+  $refs: {
+    btn: HTMLButtonElement;
+    btnLabel: HTMLElement;
+    mainContent: HTMLElement;
+    hiddenContent: HTMLElement;
+  };
+  $options: {
+    length: number;
+    animate: boolean;
+    btnLabelMore: string;
+    btnLabelLess: string;
+  };
+}
+
+/**
+ * Readmore Class
+ */
+export default class Readmore<T extends BaseProps = BaseProps> extends Base<T & ReadmoreProps> {
+  /**
+   * Config
+   */
+  static config: BaseConfig = {
+    name: 'Readmore',
+    refs: ['btn', 'btnLabel', 'mainContent', 'hiddenContent'],
+    options: {
+      length: Number,
+      animate: { type: Boolean, default: true },
+      btnLabelMore: { type: String, default: 'Voir plus' },
+      btnLabelLess: { type: String, default: 'Voir moins' },
+    },
+  };
+
+  animation: Animate;
+
+  /**
+   * On mounted
+   */
+  mounted() {
+    this.animation = animate(
+      this.$refs.hiddenContent,
+      [
+        { x: 0, scaleY: 0, opacity: 0 },
+        { x: 0, scaleY: 1, opacity: 1 },
+      ],
+      {
+        duration: 0.1,
+        easing: easeInOutExpo,
+      },
+    );
+  }
+
+  /**
+   * Show the content
+   */
+  show() {
+    setTimeout(() => {
+      this.$refs.hiddenContent.classList.remove('hidden');
+    }, 50);
+    this.animation.start();
+    this.$refs.btn.innerHTML = this.$options.btnLabelLess;
+  }
+
+  /**
+   * Hide the content
+   */
+  hide() {
+    this.$refs.hiddenContent.classList.add('hidden');
+    this.$refs.btn.innerHTML = this.$options.btnLabelMore;
+  }
+
+  /**
+   * Toggle the content visibility
+   */
+  toggle() {}
+
+  /**
+   * On button click
+   */
+  onBtnClick() {
+    if (this.$refs.hiddenContent.classList.contains('hidden')) {
+      this.show();
+    } else {
+      this.hide();
+    }
+  }
+}
diff --git a/packages/ui/molecules/Readmore/Readmore.twig b/packages/ui/molecules/Readmore/Readmore.twig
new file mode 100644
index 00000000..d222d865
--- /dev/null
+++ b/packages/ui/molecules/Readmore/Readmore.twig
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+{#
+/**
+ * @file
+ *   Readmore component.
+ *
+ * @param array $attr
+ *   Use it to customize the root element attributes.
+ * @param string $mainContent
+ *   Define the main content.
+ * @param array $main_content_attr
+ *   Custom attributes for the main content.
+ * @param string $hiddenContent
+ *   Define the hidden content.
+ * @param array $hidden_content_attr
+ *   Custom attributes for the hidden content.
+ * @param array {label: string, label2: string} $btn
+*   Define the button.
+ * @param array $btn_attr
+ *   Custom attributes for the button.
+ * @param boolean $animation
+ *   Wether to use an animation or not
+ * @param number $length
+ *   The maximum characters length before hidding the content if only one content is provided.s
+ */
+#}
+
+{% set attributes =
+  merge_html_attributes(attr ?? null, { data_component: 'Readmore', data_option_animate: ' true' })
+%}
+
+{% set main_content_attributes =
+  merge_html_attributes(
+    main_content_attr ?? null,
+    { class: 'optionnel' },
+    { data_ref: 'mainContent', class: ['main_content'] }
+  )
+%}
+
+{% set hidden_content_attributes =
+  merge_html_attributes(
+    hidden_content_attr ?? null,
+    { class: 'optionnel' },
+    { data_ref: 'hiddenContent', aria_hidden: 'true', class: ['hidden_content hidden'] }
+  )
+%}
+
+{% set btn_attr =
+  merge_html_attributes(btn_attr ?? null, { class: 'optionnel' }, { class: ['button'] })
+%}
+
+{% set animation = animation|default(true) %}
+{% set length = length|default('70') %}
+
+<div {{ html_attributes(attributes) }}>
+  {% block mainContent %}
+    <div {{ html_attributes(main_content_attributes) }}>
+      {{ mainContent }}
+    </div>
+  {% endblock %}
+  {% block hiddenContent %}
+    <div {{ html_attributes(hidden_content_attributes) }}>
+      {{ hiddenContent }}
+    </div>
+  {% endblock %}
+  {% block button %}
+    {% include '@ui/atoms/Button/Button.twig' with {
+      label: data_options_btn_label_more,
+      attr: { data_ref: 'btn' }
+    } %}
+  {% endblock %}
+</div>
diff --git a/packages/ui/molecules/Readmore/package.json b/packages/ui/molecules/Readmore/package.json
new file mode 100644
index 00000000..47369394
--- /dev/null
+++ b/packages/ui/molecules/Readmore/package.json
@@ -0,0 +1,5 @@
+{
+  "name": "@studiometa/readmore",
+  "type": "module",
+  "version": "0.0.0"
+}