Short answer. If you still have the wallet file or the seed phrase, a forgotten password is often recoverable, especially if you remember part of it. If you have the seed phrase, you do not need the password at all: restore the wallet from the seed. If you have neither the file nor the seed, nobody can recover the coins, whatever they claim.
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First, work out what you actually have
Recovery depends entirely on what still exists. Check old computers, external drives, cloud backups and email attachments before anything else.
- A wallet file such as wallet.dat (Bitcoin Core), an Electrum wallet file, a MultiBit .wallet or .key file, or a Blockchain.com backup
- A seed phrase of 12 or 24 words, even if some words are uncertain
- Partial password memories: the base words, numbers, symbols and how you usually combine them
- Old transaction records showing the wallet's addresses
Protect the wallet file before trying anything
Make two copies of the wallet file on separate offline drives and work only on a copy. Do not upload it to websites that offer to test passwords, and do not email it to anyone you have not verified.
Do not reinstall or update old wallet software over the original file. Some versions rewrite the file on opening.
Why partial memory matters so much
Password recovery works by testing combinations based on what you remember. 'It was my dog's name, a year and an exclamation mark' narrows the search from impossible to realistic. A completely random password of 12 or more characters with no clues is usually not recoverable with current hardware.
Write down every variation you might have used, including typos you tend to make and keyboard layouts you used at the time.
Doing it yourself versus using a service
Technically confident owners can use open-source tools such as btcrecover on their own machine. If you use a service, choose one that verifies ownership, works offline, charges only on success and never asks you to send coins anywhere.
A legitimate service will ask for proof that the wallet is yours. That protects you as well: it is the same check that stops someone else recovering your wallet.
Step by step
- Search for wallet files and seedsCheck every old device, drive and backup location.
- Copy the wallet fileKeep two offline copies and work on a copy only.
- List password cluesWrite down base words, numbers, symbols and patterns you used.
- Try the seed firstIf you have the seed phrase, restore the wallet in current software.
- Choose a recovery routeSelf-recovery with open-source tools or an ownership-verified, success-fee service.
- Move funds after recoverySweep the coins to a new wallet you control and back up the new seed.
FAQs
Can someone recover my bitcoin with just my address?
No. An address is public. Anyone claiming they can recover coins from an address alone is running a scam.
Is a recovery service safe to use?
It can be, if it verifies ownership, works offline, charges on success only and never asks for funds to be sent first. Check reviews outside the company's own site.
What if I only have a hardware wallet and no seed?
If you know the PIN, the device still works. If the PIN is lost and there is no seed backup, recovery is usually not possible without specialist hardware work, which is costly and uncertain.
Official sources