diff --git a/ftplugin/json.lua b/ftplugin/json.lua
new file mode 100644
index 0000000..2a670ca
--- /dev/null
+++ b/ftplugin/json.lua
@@ -0,0 +1,15 @@
+-- Set indentation to 4 spaces for JSON files
+vim.bo.shiftwidth = 4 -- Number of spaces for auto-indent
+vim.bo.tabstop = 4 -- Number of spaces per tab
+vim.bo.softtabstop = 4 -- Number of spaces per Tab key press
+vim.bo.expandtab = true -- Convert tabs to spaces
+
+-- Enable auto-indenting
+vim.bo.autoindent = true
+vim.bo.smartindent = true
+
+-- Ensure file formatting is consistent
+vim.bo.fileformat = 'unix'
+
+-- Optionally, enable spell checking for JSON comments
+vim.wo.spell = true
diff --git a/ftplugin/markdown.lua b/ftplugin/markdown.lua
new file mode 100644
index 0000000..ddca080
--- /dev/null
+++ b/ftplugin/markdown.lua
@@ -0,0 +1,5 @@
+-- Ensure file formatting is consistent
+vim.bo.fileformat = 'unix'
+
+-- Optionally, enable spell checking for JSON comments
+vim.wo.spell = true