diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
index 14dab410..b15d9416 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
@@ -74,6 +74,7 @@ import ml.docilealligator.infinityforreddit.CommentData;
 import ml.docilealligator.infinityforreddit.CustomView.AspectRatioGifImageView;
 import ml.docilealligator.infinityforreddit.CustomView.MarkwonLinearLayoutManager;
 import ml.docilealligator.infinityforreddit.FetchComment;
+import ml.docilealligator.infinityforreddit.Fragment.CopyTextBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.Fragment.ModifyCommentBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.Fragment.ShareLinkBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.Post.Post;
@@ -126,6 +127,7 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
     private boolean loadMoreCommentsFailed;
     private int mCommentBackgroundColor;
     private ShareLinkBottomSheetFragment mShareLinkBottomSheetFragment;
+    private CopyTextBottomSheetFragment mCopyTextBottomSheetFragment;
 
     public CommentAndPostRecyclerViewAdapter(AppCompatActivity activity, Retrofit retrofit, Retrofit oauthRetrofit,
                                              RedditDataRoomDatabase redditDataRoomDatabase, RequestManager glide,
@@ -145,6 +147,14 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
                     @Override
                     public void beforeSetText(@NonNull TextView textView, @NonNull Spanned markdown) {
                         textView.setTextColor(markdownColor);
+                        textView.setOnLongClickListener(view -> {
+                            Bundle bundle = new Bundle();
+                            bundle.putString(CopyTextBottomSheetFragment.EXTRA_RAW_TEXT, mPost.getSelfTextPlain());
+                            bundle.putString(CopyTextBottomSheetFragment.EXTRA_MARKDOWN, mPost.getSelfText());
+                            mCopyTextBottomSheetFragment.setArguments(bundle);
+                            mCopyTextBottomSheetFragment.show(mActivity.getSupportFragmentManager(), mCopyTextBottomSheetFragment.getTag());
+                            return true;
+                        });
                     }
 
                     @Override
@@ -225,6 +235,7 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
         mCommentBackgroundColor = typedValue.data;
 
         mShareLinkBottomSheetFragment = new ShareLinkBottomSheetFragment();
+        mCopyTextBottomSheetFragment = new CopyTextBottomSheetFragment();
     }
 
     @Override
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/CopyTextBottomSheetFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/CopyTextBottomSheetFragment.java
new file mode 100644
index 00000000..96bb671d
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/CopyTextBottomSheetFragment.java
@@ -0,0 +1,110 @@
+package ml.docilealligator.infinityforreddit.Fragment;
+
+
+import android.app.Activity;
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+
+import com.deishelon.roundedbottomsheet.RoundedBottomSheetDialogFragment;
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import ml.docilealligator.infinityforreddit.R;
+
+/**
+ * A simple {@link Fragment} subclass.
+ */
+public class CopyTextBottomSheetFragment extends RoundedBottomSheetDialogFragment {
+    public static final String EXTRA_RAW_TEXT = "ERT";
+    public static final String EXTRA_MARKDOWN = "EM";
+
+    @BindView(R.id.copy_raw_text_text_view_copy_text_bottom_sheet_fragment)
+    TextView copyRawTextTextView;
+    @BindView(R.id.copy_markdown_text_view_copy_text_bottom_sheet_fragment)
+    TextView copyMarkdownTextView;
+    @BindView(R.id.copy_all_raw_text_text_view_copy_text_bottom_sheet_fragment)
+    TextView copyAllRawTextTextView;
+    @BindView(R.id.copy_all_markdown_text_view_copy_text_bottom_sheet_fragment)
+    TextView copyAllMarkdownTextView;
+
+    private Activity activity;
+
+    public CopyTextBottomSheetFragment() {
+        // Required empty public constructor
+    }
+
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        View rootView = inflater.inflate(R.layout.fragment_copy_text_bottom_sheet, container, false);
+        ButterKnife.bind(this, rootView);
+
+        String rawText = getArguments().getString(EXTRA_RAW_TEXT);
+        String markdownText = getArguments().getString(EXTRA_MARKDOWN);
+
+        copyRawTextTextView.setOnClickListener(view -> {
+            showCopyDialog(rawText);
+            dismiss();
+        });
+
+        copyMarkdownTextView.setOnClickListener(view -> {
+            showCopyDialog(markdownText);
+            dismiss();
+        });
+
+        copyAllRawTextTextView.setOnClickListener(view -> {
+            copyText(rawText);
+            dismiss();
+        });
+
+        copyAllMarkdownTextView.setOnClickListener(view -> {
+            copyText(markdownText);
+            dismiss();
+        });
+
+        return rootView;
+    }
+
+    private void showCopyDialog(String text) {
+        LayoutInflater inflater = activity.getLayoutInflater();
+        View layout = inflater.inflate(R.layout.copy_text_material_dialog, null);
+        TextView textView = layout.findViewById(R.id.text_view_copy_text_material_dialog);
+        textView.setText(text);
+        new MaterialAlertDialogBuilder(activity, R.style.CopyTextMaterialAlertDialogTheme)
+                .setTitle(R.string.copy_text)
+                .setView(layout)
+                .setPositiveButton(R.string.copy_all, (dialogInterface, i) -> copyText(text))
+                .setNegativeButton(R.string.cancel, null)
+                .show();
+    }
+
+    private void copyText(String text) {
+        ClipboardManager clipboard = (ClipboardManager) activity.getSystemService(Context.CLIPBOARD_SERVICE);
+        if (clipboard != null) {
+            ClipData clip = ClipData.newPlainText("simple text", text);
+            clipboard.setPrimaryClip(clip);
+            Toast.makeText(activity, R.string.copy_success, Toast.LENGTH_SHORT).show();
+        } else {
+            Toast.makeText(activity, R.string.copy_failed, Toast.LENGTH_SHORT).show();
+        }
+    }
+
+    @Override
+    public void onAttach(@NonNull Context context) {
+        super.onAttach(context);
+        activity = (Activity) context;
+    }
+}
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/SortTypeBottomSheetFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/SortTypeBottomSheetFragment.java
index f5ee3696..ba03d93c 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/SortTypeBottomSheetFragment.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/SortTypeBottomSheetFragment.java
@@ -109,6 +109,6 @@ public class SortTypeBottomSheetFragment extends RoundedBottomSheetDialogFragmen
     @Override
     public void onAttach(@NonNull Context context) {
         super.onAttach(context);
-        this.activity = (Activity) context;
+        activity = (Activity) context;
     }
 }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/ParsePost.java b/app/src/main/java/ml/docilealligator/infinityforreddit/ParsePost.java
index 25a0e1cd..435cce53 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/ParsePost.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/ParsePost.java
@@ -133,6 +133,7 @@ public class ParsePost {
                     } else {
                         String selfTextPlain = Utils.trimTrailingWhitespace(
                                 Html.fromHtml(data.getString(JSONUtils.SELFTEXT_HTML_KEY))).toString();
+                        post.setSelfTextPlain(selfTextPlain);
                         if (selfTextPlain.length() > 250) {
                             selfTextPlain = selfTextPlain.substring(0, 250);
                         }
@@ -234,6 +235,7 @@ public class ParsePost {
                                 } else {
                                     String selfTextPlain = Utils.trimTrailingWhitespace(
                                             Html.fromHtml(data.getString(JSONUtils.SELFTEXT_HTML_KEY))).toString();
+                                    post.setSelfTextPlain(selfTextPlain);
                                     if (selfTextPlain.length() > 250) {
                                         selfTextPlain = selfTextPlain.substring(0, 250);
                                     }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Post/Post.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Post/Post.java
index e16893c2..8a025c97 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Post/Post.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Post/Post.java
@@ -39,6 +39,7 @@ public class Post implements Parcelable {
     private String postTime;
     private String title;
     private String selfText;
+    private String selfTextPlain;
     private String selfTextPlainTrimmed;
     private String previewUrl;
     private String thumbnailPreviewUrl;
@@ -177,6 +178,7 @@ public class Post implements Parcelable {
         postTimeMillis = in.readLong();
         title = in.readString();
         selfText = in.readString();
+        selfTextPlain = in.readString();
         selfTextPlainTrimmed = in.readString();
         previewUrl = in.readString();
         thumbnailPreviewUrl = in.readString();
@@ -267,6 +269,14 @@ public class Post implements Parcelable {
         this.selfText = selfText;
     }
 
+    public String getSelfTextPlain() {
+        return selfTextPlain;
+    }
+
+    public void setSelfTextPlain(String selfTextPlain) {
+        this.selfTextPlain = selfTextPlain;
+    }
+
     public String getSelfTextPlainTrimmed() {
         return selfTextPlainTrimmed;
     }
@@ -438,6 +448,7 @@ public class Post implements Parcelable {
         parcel.writeLong(postTimeMillis);
         parcel.writeString(title);
         parcel.writeString(selfText);
+        parcel.writeString(selfTextPlain);
         parcel.writeString(selfTextPlainTrimmed);
         parcel.writeString(previewUrl);
         parcel.writeString(thumbnailPreviewUrl);
diff --git a/app/src/main/res/layout/copy_text_material_dialog.xml b/app/src/main/res/layout/copy_text_material_dialog.xml
new file mode 100644
index 00000000..a8dfb7a5
--- /dev/null
+++ b/app/src/main/res/layout/copy_text_material_dialog.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <TextView
+        android:id="@+id/text_view_copy_text_material_dialog"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingTop="8dp"
+        android:paddingBottom="8dp"
+        android:paddingStart="24dp"
+        android:paddingEnd="24dp"
+        android:textIsSelectable="true"
+        android:enabled="true"
+        android:focusable="true"
+        android:longClickable="true" />
+
+</ScrollView>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_copy_text_bottom_sheet.xml b/app/src/main/res/layout/fragment_copy_text_bottom_sheet.xml
new file mode 100644
index 00000000..43044ca2
--- /dev/null
+++ b/app/src/main/res/layout/fragment_copy_text_bottom_sheet.xml
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.core.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingBottom="8dp"
+    android:overScrollMode="never"
+    tools:context=".Fragment.SortTimeBottomSheetFragment">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/copy_raw_text_text_view_copy_text_bottom_sheet_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/copy_raw_text"
+            android:textColor="@color/primaryTextColor"
+            android:textSize="?attr/font_default"
+            android:paddingTop="16dp"
+            android:paddingBottom="16dp"
+            android:paddingStart="32dp"
+            android:paddingEnd="32dp"
+            android:clickable="true"
+            android:focusable="true"
+            android:background="?attr/selectableItemBackground" />
+
+        <TextView
+            android:id="@+id/copy_markdown_text_view_copy_text_bottom_sheet_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/copy_markdown"
+            android:textColor="@color/primaryTextColor"
+            android:textSize="?attr/font_default"
+            android:paddingTop="16dp"
+            android:paddingBottom="16dp"
+            android:paddingStart="32dp"
+            android:paddingEnd="32dp"
+            android:clickable="true"
+            android:focusable="true"
+            android:background="?attr/selectableItemBackground" />
+
+        <TextView
+            android:id="@+id/copy_all_raw_text_text_view_copy_text_bottom_sheet_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/copy_all_raw_text"
+            android:textColor="@color/primaryTextColor"
+            android:textSize="?attr/font_default"
+            android:paddingTop="16dp"
+            android:paddingBottom="16dp"
+            android:paddingStart="32dp"
+            android:paddingEnd="32dp"
+            android:clickable="true"
+            android:focusable="true"
+            android:background="?attr/selectableItemBackground" />
+
+        <TextView
+            android:id="@+id/copy_all_markdown_text_view_copy_text_bottom_sheet_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/copy_all_markdown"
+            android:textColor="@color/primaryTextColor"
+            android:textSize="?attr/font_default"
+            android:paddingTop="16dp"
+            android:paddingBottom="16dp"
+            android:paddingStart="32dp"
+            android:paddingEnd="32dp"
+            android:clickable="true"
+            android:focusable="true"
+            android:background="?attr/selectableItemBackground" />
+
+    </LinearLayout>
+
+</androidx.core.widget.NestedScrollView>
\ No newline at end of file
diff --git a/app/src/main/res/layout/item_post_detail.xml b/app/src/main/res/layout/item_post_detail.xml
index e23da92c..1ccdf2a1 100644
--- a/app/src/main/res/layout/item_post_detail.xml
+++ b/app/src/main/res/layout/item_post_detail.xml
@@ -79,7 +79,11 @@
         android:paddingStart="16dp"
         android:paddingEnd="16dp"
         android:textColor="@color/primaryTextColor"
-        android:textSize="?attr/title_font_18" />
+        android:textSize="?attr/title_font_18"
+        android:textIsSelectable="true"
+        android:enabled="true"
+        android:focusable="true"
+        android:longClickable="true" />
 
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/content_markdown_view_item_post_detail"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 0e2a5b66..2b7e673b 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -405,4 +405,10 @@
 
     <string name="copy_success">Copied</string>
     <string name="copy_failed">Cannot copy the link</string>
+    <string name="copy_text">Copy</string>
+    <string name="copy_all">Copy All</string>
+    <string name="copy_markdown">Copy Markdown</string>
+    <string name="copy_raw_text">Copy Raw Text</string>
+    <string name="copy_all_markdown">Copy All Markdown</string>
+    <string name="copy_all_raw_text">Copy All Raw Text</string>
 </resources>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 3248cfd4..b91ecdb1 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -58,6 +58,12 @@
         <item name="buttonBarNegativeButtonStyle">@style/MaterialAlertDialogNegativeButtonStyle</item>
     </style>
 
+    <style name="CopyTextMaterialAlertDialogTheme">
+        <item name="android:textSize">?attr/font_default</item>
+        <item name="materialAlertDialogTitleTextStyle">@style/MaterialAlertDialogTitleTextStyle</item>
+        <item name="buttonBarNegativeButtonStyle">@style/MaterialAlertDialogNegativeButtonStyle</item>
+    </style>
+
     <style name="MaterialAlertDialogPositiveButtonStyle" parent="Widget.MaterialComponents.Button.TextButton.Dialog">
         <item name="android:textColor">@color/colorAccent</item>
     </style>