RIPEMD-256 Hash Generator
Turn any text into its 64-character RIPEMD-256 hash instantly.
How to use the RIPEMD-256 Hash Generator
- Type or paste your text in the box.
- The RIPEMD-256 hash appears as you type.
- Click Copy to grab the result.
About the RIPEMD-256 Hash Generator
RIPEMD-256 outputs 256 bits — 64 hexadecimal characters — and it is the member of the RIPEMD family that most often gets misunderstood. The instinct is to read "256" the way you read it in SHA-256 and assume you are getting 256 bits of strength. You are not. RIPEMD-256 is a widened RIPEMD-128, and it offers a longer digest, not a more secure one — the family designers said as much when they published it. Its security level is that of RIPEMD-128; the extra characters are there for applications that need a longer hash value, not a stronger one.
The reason is structural. RIPEMD is built from two parallel computation lines whose results are normally combined at the end. The 256-bit variant is made by keeping both lines separate and concatenating their state instead of mixing it down, so you get twice the output from essentially the same amount of security work. It is a format adapter, not an upgrade.
That makes RIPEMD-256 genuinely useful in one narrow situation: something in your stack has a 256-bit field to fill and expects a RIPEMD digest in it. Beyond that, if you want a hash where 256 bits of output means 256 bits of design intent, use SHA-256 or SHA3-256. If you want the RIPEMD family's open-academic provenance, use RIPEMD-160, which is the variant the world actually settled on.
Frequently asked questions
Is RIPEMD-256 more secure than RIPEMD-128?
No — and this surprises people. RIPEMD-256 gives you a longer digest at roughly the security level of RIPEMD-128. It was designed for applications that need a longer hash value, not a stronger one.
Is RIPEMD-256 as strong as SHA-256?
No. Both produce 64 hex characters, but SHA-256 is designed to deliver security matching its output length, whereas RIPEMD-256 inherits the security level of RIPEMD-128. Do not swap one for the other on the assumption they are equivalent.
Can I decrypt or reverse a RIPEMD-256 hash?
No. Hashing is one-way — the original text is not contained in the hash, so there is nothing to decrypt or recover.
Why is my hash always 64 characters?
RIPEMD-256 always outputs 256 bits, and each hex character represents 4 bits, so the result is exactly 64 characters no matter how long the input is.
Is my text sent anywhere?
Your text is sent to our server to be hashed, because browsers cannot compute RIPEMD-256 — they only expose the SHA family. It is hashed and immediately discarded, never logged and never stored.