diff --git a/dot_config/nvim/lua/configs/keys.lua b/dot_config/nvim/lua/configs/keys.lua
index 8da9b60..5cfb403 100644
--- a/dot_config/nvim/lua/configs/keys.lua
+++ b/dot_config/nvim/lua/configs/keys.lua
@@ -58,6 +58,9 @@ function M.setup()
   end, { desc = 'Toggle foldmethod marker/expr' })
 
   vim.keymap.set('n', '<leader>di', '<cmd>Inspect<CR>', { desc = 'Inspect' })
+
+  vim.keymap.set('x', '<leader>eB', "c<c-r>=system('base64 -w0', @\")<cr><esc>", { desc = 'Encode to base64' })
+  vim.keymap.set('x', '<leader>eb', "c<c-r>=system('base64 -d -w0', @\")<cr><esc>", { desc = 'Decode from base64' })
 end
 
 return M