diff --git a/2configs/vim.nix b/2configs/vim.nix
index b71d951..02a46d2 100644
--- a/2configs/vim.nix
+++ b/2configs/vim.nix
@@ -103,6 +103,19 @@ in {
       endfunction
       call InitBackupDir()
 
+      augroup Binary
+        " edit binaries in xxd-output, xxd is part of vim
+        au!
+        au BufReadPre  *.bin let &bin=1
+        au BufReadPost *.bin if &bin | %!xxd
+        au BufReadPost *.bin set ft=xxd | endif
+        au BufWritePre *.bin if &bin | %!xxd -r
+        au BufWritePre *.bin endif
+        au BufWritePost *.bin if &bin | %!xxd
+        au BufWritePost *.bin set nomod | endif
+      augroup END
+
+
 
     '';