No, Fiverr does not refund the processing fee to your balance.
If you placed an order through PayPal or credit card, a processing fee is charged. The processing fee helps subsidize the costs Fiverr incurs from payment solution providers.
If an order is cancelled and you are due a refund, the amount of the original order without the processing fee will be placed in your shopping balance. Keep in mind, if you order a Gig with revenues from your shopping or sales balance, you do not have to pay a processing fee.
For example, if I purchased one basic Gig using PayPal, I would pay $5 plus an additional $1 processing fee for a total of $6. I then request to cancel the order and $5 is refunded to my shopping balance. I can use this $5 to purchase another Gig and will not have to pay a $1 processing fee since I am using money from my shopping balance.
Note: If you do not want the money refunded to your shopping balance and prefer that the money be reimbursed to your PayPal or credit card, Fiverr can issue a one time refund. A second refund request may need to be reviewed by our Risk Management Team.