Easy Peasy

Base64

NzMgNzkgNmUgNzQgN2IgNzAgNjIgNjEgNzQgNjUgNmUgNjcgNjYgNWYgNmMgNjIgNjggNWYgNzQgNjIgNjcgNWYgN2EgNzIgN2Q=

Hex

73 79 6e 74 7b 70 62 61 74 65 6e 67 66 5f 6c 62 68 5f 74 62 67 5f 7a 72 7d

To ASCII

synt{pbatengf_lbh_tbg_zr}

To ROT13

flag{congrats_you_got_me}