A debt consolidation loan tends to make sense in a few situations:
You have multiple debts: if repaying several loans and bills each month has become hard to manage, combining them into one payment steadies your finances. On approval, the lender releases the funds to settle the balances you owe your creditors.
You have high-interest debts: when the minimum barely covers the interest and the principal hardly moves, high rates keep you stuck. Folding those balances into a lower-rate loan can save money over time and shorten the road out.
You want out of the debt cycle: if you have a plan to break the cycle, a single repayment at a lower rate gives it an anchor and helps you clear what you owe faster.