What an online savings account is
An online savings account is a deposit account held entirely through a bank's website or mobile app, with no physical branch. You deposit money, earn interest on your balance, and withdraw funds—all without walking into a building or talking to a teller. The bank operates fewer locations than traditional banks, which lets them pay higher interest rates on the money you keep there.
The account itself works the same way a regular savings account does: your deposits are insured up to $250,000 by the FDIC (Federal Deposit Insurance Corporation), you can make withdrawals, and you earn interest monthly or daily depending on the bank's terms. The difference is logistics. Everything happens through a website, app, or phone call.
Key Takeaways
- Online savings accounts pay higher interest rates than most brick-and-mortar banks because the bank has lower overhead costs.
- Your money is FDIC-insured up to $250,000, the same protection as any other bank account.
- You can transfer money in and out, but some banks limit how many withdrawals you can make per month.
- You cannot deposit cash directly—you transfer funds from another bank account, receive direct deposit, or mail a check.
- Opening an account takes 10 to 20 minutes online and requires a Social Security number, proof of identity, and an existing bank account to fund it.
How interest rates work on online savings accounts
Online banks offer higher interest rates because they do not pay for branch staff, building leases, or ATM networks. That savings gets passed to you as a higher Annual Percentage Yield (APY). A traditional bank might pay 0.01% APY on savings; an online bank might pay 4% to 5% APY on the same $10,000. The difference compounds monthly, so over a year the online account earns significantly more.
Interest rates change based on what the Federal Reserve does with its benchmark rate. When the Fed raises rates, online banks usually raise their APY within days or weeks. When the Fed cuts rates, online banks cut theirs too. Check the bank's website to see the current rate before you open an account, because rates vary between banks and can shift.
Interest is usually credited to your account monthly, though some banks credit it daily. Either way, the money becomes part of your balance and earns interest on top of itself the next period—that is compound interest.
How to move money in and out
You cannot walk up to a teller or use an ATM at an online bank. Instead, you transfer money electronically. The most common methods are ACH transfers (which take one to three business days) from another bank account you own, direct deposit from your employer, or mailing a paper check to the bank's address.
When you want to withdraw, you can transfer money back to your checking account at another bank, request a check by mail, or use a debit card if the bank offers one. Some online banks partner with ATM networks so you can withdraw cash at third-party ATMs, though this varies by bank.
Federal rules once limited savings account withdrawals to six per month, but that rule was suspended in 2020. Most online banks no longer enforce a withdrawal limit, though some still cap transfers. Check the bank's terms before opening to see what limits, if any, apply.
Opening an online savings account
The process is entirely digital and takes 10 to 20 minutes. You will need your Social Security number, a government-issued ID (driver's license or passport), your current address, and an existing bank account to fund the new account. Some banks also ask for your employment information.
Visit the bank's website, click "Open an Account," and answer questions about yourself. The bank verifies your identity using the information you provide—some use third-party verification services, others ask you to upload a photo of your ID. Once verified, you link a bank account and transfer your first deposit. The account is usually active within one business day.
You will receive an account number and routing number by email or through the app. Use these to set up direct deposit or to transfer money from other accounts.
FDIC insurance and account safety
Your deposits in an online savings account are insured by the FDIC up to $250,000 per account holder per bank. This means if the bank fails, the FDIC will reimburse you for your balance up to that limit. This protection is the same whether you bank online or at a branch.
If you have more than $250,000 to save, you can open accounts at multiple banks to keep each one under the insurance limit, or use a service like InvestorShield that spreads your money across multiple FDIC-insured banks automatically.
Online banks use encryption and multi-factor authentication to protect your login. If someone gains access to your account, contact the bank immediately. Federal law limits your liability for unauthorized transfers to $50 if you report the fraud within two business days, and $500 if you report it within 60 days.
When an online savings account makes sense
An online savings account is useful if you want to earn meaningful interest on money you are not spending right now—an emergency fund, a down payment you are saving for, or money set aside for a specific goal. The higher interest rate means your money grows faster than it would in a traditional bank.
It is less useful if you need to deposit cash frequently, because you cannot do that at an online bank. It is also not a replacement for a checking account; you need a checking account somewhere to pay bills and make everyday purchases. Many people keep a checking account at a traditional bank or credit union and use an online savings account as a separate place to store money and earn interest.
If you have a very small balance—under $1,000—the interest you earn will be modest, so the higher rate matters less. But if you are saving $5,000 or more, the difference between 0.01% and 4.5% APY adds up quickly.
Comparing online savings accounts to other options
| Account Type | Interest Rate | Access to Cash | Best For |
|---|---|---|---|
| Online Savings Account | 4% to 5% APY (varies by bank and market conditions) | Transfer to another bank (1–3 days), mail check, ATM partner network | Saving for a goal, emergency fund, earning interest |
| Traditional Bank Savings | 0.01% to 0.5% APY | Withdraw at branch, ATM, or transfer | Convenience of in-person service, frequent cash deposits |
| Money Market Account | 4% to 5% APY (similar to online savings) | Limited checks, debit card, ATM, transfer | Saving while keeping some check-writing ability |
| Certificate of Deposit (CD) | 4.5% to 5.5% APY (higher, but locked in) | None until maturity date (penalty if withdrawn early) | Money you will not need for 3 months to 5 years |
Frequently Asked Questions
Can I use an online savings account as my main checking account?
No. Online savings accounts are designed for storing money and earning interest, not for frequent transactions. They do not come with check-writing or debit card features (in most cases), and transfers take one to three days. You need a checking account for everyday bills and purchases.
What happens if the online bank goes out of business?
The FDIC insures your deposits up to $250,000. If the bank fails, the FDIC will either transfer your account to another bank or send you a check for your balance. You do not lose money as long as your balance is under the insurance limit.
How long does it take to transfer money out of an online savings account?
ACH transfers to another bank account take one to three business days. Requests for checks by mail take five to ten business days. ATM withdrawals (if available) are instant. Internal transfers between accounts at the same bank are usually same-day or next-day.
Do I need a minimum balance to open an online savings account?
Most online banks do not require a minimum balance to open an account, though some require a small initial deposit (often $25 or $100). Check the bank's website for current requirements, as these change.
Can I set up automatic transfers to an online savings account?
Yes. You can set up recurring ACH transfers from your checking account to move money automatically on a schedule you choose—weekly, biweekly, or monthly. This is useful for automating your savings without having to remember to transfer manually.