VIM - How to format and syntax highlight JSON file

Formatting

• Run this command in shell 
  sudo cpan JSON::XS

• Put this line to ~/.vimrc 
  map <leader>jt  <Esc>:%!json_xs -f json -t json-pretty<CR>
  

• When want to format JSON file press

  \jt

  
  
• credit : “tidify” a json in vim

Syntax highlighting

• Download json.vim form http://www.vim.org/scripts/script.php?script_id=1945 to ~/.vim/syntax/
• Put this line to ~/.vimrc

  au BufRead,BufNewFile *.json set filetype=json

• credit : Add JSON syntax highlighting in Vim on OS X