diff --git a/package.json b/package.json
index 0145bd43a4..e58d1b5767 100644
--- a/package.json
+++ b/package.json
@@ -69,12 +69,12 @@
 					"discord.detailsEditing": {
 						"type": "string",
 						"default": "Editing {file_name}",
-						"description": "Custom string for the details section of the rich presence\n\t- '{empty}' will be replaced with an empty space.\n\t- '{file_name}' will be replaced with the current file name.\n\t- '{dir_name}' will get replaced with the folder name that has the current file.\n\t- '{full_dir_name}' will get replaced with the full directory name without the current file name.\n\t- '{workspace}' will be replaced with the current workspace name, if any.\n\t- '{workspace_folder}' will be replaced with the currently accessed workspace folder, if any.\n\t- '{workspace_and_folder} will be replaced with the currently accessed workspace and workspace folder like this: 'Workspace - WorkspaceFolder'\n\t- '{current_column}' will get replaced with the current column of the current line.\n\t- '{current_line}' will get replaced with the current line number.\n\t- '{total_lines}' will get replaced with the total line number.\n\t- '{file_size}' will get replaced with the current file's size.\n\t- '{git_repo_name}' will be replaced with the active Git repository name (from the git URL)\n\t- '{git_branch}' will be replaced with the current active branch name."
+						"description": "Custom string for the details section of the rich presence\n\t- '{empty}' will be replaced with an empty space.\n\t- '{file_name}' will be replaced with the current file name.\n\t- '{file_extension}' will be replaced with the current file extension.\n\t- '{dir_name}' will get replaced with the folder name that has the current file.\n\t- '{full_dir_name}' will get replaced with the full directory name without the current file name.\n\t- '{workspace}' will be replaced with the current workspace name, if any.\n\t- '{workspace_folder}' will be replaced with the currently accessed workspace folder, if any.\n\t- '{workspace_and_folder} will be replaced with the currently accessed workspace and workspace folder like this: 'Workspace - WorkspaceFolder'\n\t- '{current_column}' will get replaced with the current column of the current line.\n\t- '{current_line}' will get replaced with the current line number.\n\t- '{total_lines}' will get replaced with the total line number.\n\t- '{file_size}' will get replaced with the current file's size.\n\t- '{git_repo_name}' will be replaced with the active Git repository name (from the git URL)\n\t- '{git_branch}' will be replaced with the current active branch name."
 					},
 					"discord.detailsDebugging": {
 						"type": "string",
 						"default": "Debugging {file_name}",
-						"description": "Custom string for the details section of the rich presence when debugging\n\t- '{empty}' will be replaced with an empty space.\n\t- '{file_name}' will be replaced with the current file name.\n\t- '{dir_name}' will get replaced with the folder name that has the current file.\n\t- '{full_dir_name}' will get replaced with the full directory name without the current file name.\n\t- '{workspace}' will be replaced with the current workspace name, if any.\n\t- '{workspace_folder}' will be replaced with the currently accessed workspace folder, if any.\n\t- '{workspace_and_folder} will be replaced with the currently accessed workspace and workspace folder like this: 'Workspace - WorkspaceFolder'\n\t- '{current_column}' will get replaced with the current column of the current line.\n\t- '{current_line}' will get replaced with the current line number.\n\t- '{total_lines}' will get replaced with the total line number.\n\t- '{file_size}' will get replaced with the current file's size.\n\t- '{git_repo_name}' will be replaced with the active Git repository name (from the git URL)\n\t- '{git_branch}' will be replaced with the current active branch name."
+						"description": "Custom string for the details section of the rich presence when debugging\n\t- '{empty}' will be replaced with an empty space.\n\t- '{file_name}' will be replaced with the current file name.\n\t- '{file_extension}' will be replaced with the current file extension.\n\t- '{dir_name}' will get replaced with the folder name that has the current file.\n\t- '{full_dir_name}' will get replaced with the full directory name without the current file name.\n\t- '{workspace}' will be replaced with the current workspace name, if any.\n\t- '{workspace_folder}' will be replaced with the currently accessed workspace folder, if any.\n\t- '{workspace_and_folder} will be replaced with the currently accessed workspace and workspace folder like this: 'Workspace - WorkspaceFolder'\n\t- '{current_column}' will get replaced with the current column of the current line.\n\t- '{current_line}' will get replaced with the current line number.\n\t- '{total_lines}' will get replaced with the total line number.\n\t- '{file_size}' will get replaced with the current file's size.\n\t- '{git_repo_name}' will be replaced with the active Git repository name (from the git URL)\n\t- '{git_branch}' will be replaced with the current active branch name."
 					},
 					"discord.lowerDetailsIdling": {
 						"type": "string",
@@ -84,12 +84,12 @@
 					"discord.lowerDetailsEditing": {
 						"type": "string",
 						"default": "Workspace: {workspace}",
-						"description": "Custom string for the state section of the rich presence\n\t- '{empty}' will be replaced with an empty space.\n\t- '{file_name}' will be replaced with the current file name.\n\t- '{dir_name}' will get replaced with the folder name that has the current file.\n\t- '{full_dir_name}' will get replaced with the full directory name without the current file name.\n\t- '{workspace}' will be replaced with the current workspace name, if any.\n\t- '{workspace_folder}' will be replaced with the currently accessed workspace folder, if any.\n\t- '{workspace_and_folder} will be replaced with the currently accessed workspace and workspace folder like this: 'Workspace - WorkspaceFolder'\n\t- '{current_column}' will get replaced with the current column of the current line.\n\t- '{current_line}' will get replaced with the current line number.\n\t- '{total_lines}' will get replaced with the total line number.\n\t- '{file_size}' will get replaced with the current file's size.\n\t- '{git_repo_name}' will be replaced with the active Git repository name (from the git URL)\n\t- '{git_branch}' will be replaced with the current active branch name."
+						"description": "Custom string for the state section of the rich presence\n\t- '{empty}' will be replaced with an empty space.\n\t- '{file_name}' will be replaced with the current file name.\n\t- '{file_extension}' will be replaced with the current file extension.\n\t- '{dir_name}' will get replaced with the folder name that has the current file.\n\t- '{full_dir_name}' will get replaced with the full directory name without the current file name.\n\t- '{workspace}' will be replaced with the current workspace name, if any.\n\t- '{workspace_folder}' will be replaced with the currently accessed workspace folder, if any.\n\t- '{workspace_and_folder} will be replaced with the currently accessed workspace and workspace folder like this: 'Workspace - WorkspaceFolder'\n\t- '{current_column}' will get replaced with the current column of the current line.\n\t- '{current_line}' will get replaced with the current line number.\n\t- '{total_lines}' will get replaced with the total line number.\n\t- '{file_size}' will get replaced with the current file's size.\n\t- '{git_repo_name}' will be replaced with the active Git repository name (from the git URL)\n\t- '{git_branch}' will be replaced with the current active branch name."
 					},
 					"discord.lowerDetailsDebugging": {
 						"type": "string",
 						"default": "Debugging: {workspace}",
-						"description": "Custom string for the state section of the rich presence when debugging\n\t- '{empty}' will be replaced with an empty space.\n\t- '{file_name}' will be replaced with the current file name.\n\t- '{dir_name}' will get replaced with the folder name that has the current file.\n\t- '{full_dir_name}' will get replaced with the full directory name without the current file name.\n\t- '{workspace}' will be replaced with the current workspace name, if any.\n\t- '{workspace_folder}' will be replaced with the currently accessed workspace folder, if any.\n\t- '{workspace_and_folder} will be replaced with the currently accessed workspace and workspace folder like this: 'Workspace - WorkspaceFolder'\n\t- '{current_column}' will get replaced with the current column of the current line.\n\t- '{current_line}' will get replaced with the current line number.\n\t- '{total_lines}' will get replaced with the total line number.\n\t- '{file_size}' will get replaced with the current file's size.\n\t- '{git_repo_name}' will be replaced with the active Git repository name (from the git URL)\n\t- '{git_branch}' will be replaced with the current active branch name."
+						"description": "Custom string for the state section of the rich presence when debugging\n\t- '{empty}' will be replaced with an empty space.\n\t- '{file_name}' will be replaced with the current file name.\n\t- '{file_extension}' will be replaced with the current file extension.\n\t- '{dir_name}' will get replaced with the folder name that has the current file.\n\t- '{full_dir_name}' will get replaced with the full directory name without the current file name.\n\t- '{workspace}' will be replaced with the current workspace name, if any.\n\t- '{workspace_folder}' will be replaced with the currently accessed workspace folder, if any.\n\t- '{workspace_and_folder} will be replaced with the currently accessed workspace and workspace folder like this: 'Workspace - WorkspaceFolder'\n\t- '{current_column}' will get replaced with the current column of the current line.\n\t- '{current_line}' will get replaced with the current line number.\n\t- '{total_lines}' will get replaced with the total line number.\n\t- '{file_size}' will get replaced with the current file's size.\n\t- '{git_repo_name}' will be replaced with the active Git repository name (from the git URL)\n\t- '{git_branch}' will be replaced with the current active branch name."
 					},
 					"discord.lowerDetailsNoWorkspaceFound": {
 						"type": "string",
diff --git a/src/activity.ts b/src/activity.ts
index a3544565ec..2a7bb9ae6b 100644
--- a/src/activity.ts
+++ b/src/activity.ts
@@ -1,4 +1,4 @@
-import { basename, parse, sep } from 'path';
+import { basename, extname, parse, sep } from 'path';
 import { debug, env, Selection, TextDocument, window, workspace } from 'vscode';
 
 import {
@@ -110,6 +110,7 @@ async function details(idling: CONFIG_KEYS, editing: CONFIG_KEYS, debugging: CON
 
 	if (window.activeTextEditor) {
 		const fileName = basename(window.activeTextEditor.document.fileName);
+		const fileExtension = extname(window.activeTextEditor.document.fileName).replace('.', '');
 		const { dir } = parse(window.activeTextEditor.document.fileName);
 		const split = dir.split(sep);
 		const dirName = split[split.length - 1];
@@ -144,6 +145,7 @@ async function details(idling: CONFIG_KEYS, editing: CONFIG_KEYS, debugging: CON
 		}
 		raw = raw
 			.replace(REPLACE_KEYS.FileName, fileName)
+			.replace(REPLACE_KEYS.FileExtension, fileExtension)
 			.replace(REPLACE_KEYS.DirName, dirName)
 			.replace(REPLACE_KEYS.Workspace, workspaceName)
 			.replace(REPLACE_KEYS.WorkspaceFolder, workspaceFolderName)
diff --git a/src/constants.ts b/src/constants.ts
index 84ddb8b0ff..05479606cf 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -19,6 +19,7 @@ export const UNKNOWN_GIT_REPO_NAME = 'Unknown' as const;
 
 export const enum REPLACE_KEYS {
 	Empty = '{empty}',
+	FileExtension = '{file_extension}',
 	FileName = '{file_name}',
 	DirName = '{dir_name}',
 	FullDirName = '{full_dir_name}',