Hash text

About this tool

Generate a digest from text using MD5, SHA-1, SHA-256, SHA-512, SHA-3, or CRC32. Compare outputs, create non-security checksums, and test application behavior. Choose the algorithm required by your workflow.
Available via the API.

Limits

Limited to 10 requests / day when used without registration.Get more when you sign up (it's free) or buy a plan.
Plan Free - 1 000 requests / month
Plan Plus - 10 000 requests / month
Plan Pro - 100 000 requests / month
Plan Max - 300 000 requests / monthLearn more about plans and pricing.

Tips

• Use the same algorithm on both values when comparing digests.
• MD5, SHA-1, and CRC32 are unsuitable for security-sensitive use; CRC32 is intended for error detection.
• A plain hash is not a password-storage scheme. Use a dedicated password hashing function with a salt.
• SHA-3 is the latest member of the Secure Hash Algorithm family and offers improved security properties compared to SHA-2.
• SHA-3 is resistant to both length-extension attacks and preimage attacks, making it suitable for modern cryptographic applications.
• For new projects, prefer SHA-256 or SHA-3 over older algorithms like MD5, SHA-1, or CRC32.

Frequently Asked Questions

• What is a hash?

  A hash is a fixed-length string generated from input data using a mathematical algorithm. The same input always produces the same hash, while even a tiny change to the input produces a completely different result.

• What is the Hash Text tool used for?

  This tool generates hashes from any text using popular algorithms such as MD5, SHA-1, SHA-256, SHA-512, SHA3, and CRC32. It is useful for verifying data integrity, creating checksums, and testing applications.

• Is my text sent to a server?

  Yes, the text is sent to our servers to generate the hash, then the result is returned to your browser. It is not stored after processing.

• Which hashing algorithm should I use?

  For general integrity checks, SHA-256 is a secure and widely supported choice. Avoid MD5, CRC32, and SHA-1 for security-sensitive purposes since they are outdated or vulnerable to collisions.

• Can a hash be reversed back to the original text?

  No, hashing is a one-way process. It is not possible to recover the original text from its hash value alone.

• Is the tool free to use?

  Yes, the tool is free to use. Usage limits depend on your account plan.

Something missing?

Feel free to contact us if you have any suggestions or found a bug.

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