RIPEMD-128 Hash Generator Online — Free RIPEMD-128 Checksum Tool
Use this free online tool to compute a RIPEMD-128 hash from any text string or file. Simply paste your input or upload a local or remote file and receive the 128-bit digest in seconds — no installation or account needed.
What is RIPEMD-128?
RIPEMD-128 (RACE Integrity Primitives Evaluation Message Digest, 128-bit) is a cryptographic hash function developed in Europe in the mid-1990s as part of the EU RIPE project. It produces a fixed-length 32-character hexadecimal digest from any input of arbitrary size. RIPEMD-128 was designed as a direct drop-in replacement for MD4 and MD5, sharing their 128-bit output length but using a different internal structure based on two parallel processing pipelines.
Because its digest is only 128 bits, RIPEMD-128 offers a smaller collision resistance margin than longer variants such as RIPEMD-256 or SHA-256. It should not be used for password storage or as a security-critical digital signature component in new systems. For those purposes, prefer a modern algorithm such as SHA-256 or SHA-3.
What is RIPEMD-128 used for?
- File integrity verification: compare a freshly computed digest against a published checksum to confirm a download has not been corrupted or tampered with.
- Legacy system compatibility: some older applications and protocols specify RIPEMD-128 digests; this tool lets you regenerate or validate those checksums without installing software.
- Data deduplication: quickly fingerprint text or file content to detect duplicates in a dataset.
- HMAC message authentication: apply a secret key via the HMAC construction to authenticate messages in systems that already use RIPEMD-128.
RIPEMD-128 vs. other 128-bit hash algorithms
RIPEMD-128 is often compared to MD5 and MD4, all of which produce a 128-bit output. MD5 is faster and more widely deployed, but known collision attacks exist for both MD5 and RIPEMD-128, making neither suitable for collision-resistant security applications. RIPEMD-128 has a more conservative design than MD5 and no practical full-collision has been publicly demonstrated, yet its short digest length still limits its security margin compared to 256-bit or wider algorithms. This tool also supports the full RIPEMD family — RIPEMD-160, RIPEMD-256, and RIPEMD-320 — if a stronger digest is required.
Frequently asked questions
Is this RIPEMD-128 tool free to use?
Yes, it is completely free. There is no signup, no account, and no usage limit.
What happens to files I upload?
Uploaded files are processed on the server solely to compute the hash and are deleted automatically afterwards. They are not stored, shared, or used for any other purpose.
Can I hash a remote file using a URL?
Yes. Paste a direct URL into the remote file field and the tool will fetch the file and compute its RIPEMD-128 digest without you needing to download it first.
Is RIPEMD-128 safe for passwords or security-sensitive applications?
No. RIPEMD-128 produces only a 128-bit digest, which provides insufficient collision resistance for modern security requirements. For passwords, use a dedicated password-hashing function such as bcrypt or Argon2; for general-purpose integrity checking, consider SHA-256 or RIPEMD-256.
What is HMAC mode and when should I use it?
HMAC (Hash-based Message Authentication Code) combines the hash function with a secret key to produce a message authentication code. Use it when you need to verify both the integrity and the authenticity of a message, for example in API request signing or data pipelines where a shared secret is available.