Base58 / Base58Check Encoder & Decoder
Preserve every byte and verify the selected checksum.
Try before you buy.
- Free preview: the labels of the result’s rows with every value masked; the converted text, hex and exports open with a Pro pass.
- Locked until you unlock it: download and copy.
- Unlock: Pro pass, ₹179 for 30 days or ₹79 for 1 week, a one-time payment that never renews. Unlock: Pro pass, $5.99 for 30 days or $2.99 for 1 week, a one-time payment that never renews.
Ways to unlock shows how to get the full result.
Printing this result is locked in the free preview.
Locked in the free preview. Opens the ways to unlock this result.
Locked in the free preview. Batch runs unlock with a pass.
Locked in the free preview. Query results unlock with a pass.
About the Base58 / Base58Check Encoder & Decoder
Encode and decode complete text or hex bytes with the Bitcoin, Flickr and Ripple alphabets. Base58Check adds one version byte and a four-byte double-SHA-256 checksum. Leading zero bytes are retained. A checksum match is an integrity check, not proof of address ownership or network validity.
How to use it
- Paste text, hex bytes or a Base58 string, or open a file, and choose Encode or Decode, the alphabet and Base58Check.
- Press Convert: the free preview shows the labels of the result’s rows, with every value masked.
- With a Pro pass, copy or download the result and the report. Editing the input or an option clears the old result.
Method and primary sources
The byte/checksum conventions follow Bitcoin Core’s reference and the Ripple address codec. Plain Base58 and IPFS CIDv0 multihashes are not the same as Base58Check addresses.
Limitations
- A matching Base58Check checksum shows that the bytes are intact; it does not prove who owns an address or that the address is valid on a network.
- There is no fixed size limit: a very large input depends on your device’s memory, and the tool says so when one is too large.
Privacy
On this device: nothing is sent
What you paste stays in this page’s memory on your device. Nothing is uploaded, looked up on a server or sent to an AI service.
Frequently asked questions
What do I get without a pass?
Without a pass, Base58 / Base58Check Encoder & Decoder shows the labels of the result’s rows with every value masked; the converted text, hex and exports open with a Pro pass. Until you unlock it, the result can’t be downloaded or copied. A Pro, Premium or Ultimate pass, a one-time payment that never renews, unlocks the full result. The pricing page lists the passes and their prices.
Does the tool upload my input?
No. Everything runs in this page on your device; only the tool’s own data files load from this site.
What does the free preview show?
The labels of the result’s rows, with every value masked. A Pro pass shows the converted text and hex, and opens copy and download.