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Hashing Tool - Generate free online hashes.

Instantly create secure hashes such as MD5, SHA1 and SHA256 with our free Hashing Tool. Ideal for programmers, developers and anyone who wants to secure or verify data.

What is Hashing?

Hashing is a cryptographic process that converts data of any size (such as a password, file, or piece of text) into a unique, fixed-length string of characters. This string is called a hash, or hash value. The process is one-way: you cannot derive the original data from the hash, which makes it extremely secure for storing sensitive information.

Our free Hashing Tool generates these values for you, with support for the most popular and secure algorithms: MD5, SHA-1, and SHA-256. It is perfect for developers, system administrators, and anyone who wants to verify the integrity of a file.

Why is Hashing so Important?

  • Data Security: Instead of storing passwords in plain text, their hashes are stored. Even if a database is hacked, the passwords remain unreadable.
  • Integrity Check: By comparing the hash of a file with its original hash, you can verify that the file has not been altered or corrupted during download or transfer.
  • Unique Identification: A hash functions as a unique digital fingerprint. Even a small change in the original data results in a completely different hash.

The Differences Between MD5, SHA-1, and SHA-256

Although all three algorithms generate a hash, they have important differences in their architecture and level of security. Here are the key points:

MD5 (Message Digest 5)

MD5 produces a 128-bit (32-character) hash. It was once a standard but is now considered insecure for security applications like passwords due to the risk of collisions. However, it is still useful for checking the integrity of small files or for creating hash values where a high level of security is not required.

SHA-1 (Secure Hash Algorithm 1)

SHA-1 generates a 160-bit (40-character) hash. It is considered more secure than MD5, but vulnerabilities have been discovered that increase the risk of collisions. Modern systems are therefore moving to more secure algorithms, although SHA-1 is still in use for legacy systems.

SHA-256 (Secure Hash Algorithm 256)

SHA-256 is part of the SHA-2 family and produces a 256-bit (64-character) hash. It is considered one of the most secure and widely used hashing algorithms today. It is the standard for blockchain technologies like Bitcoin and is widely applied for password security and digital signatures.

Fun Facts About Hashing

  • The term "hash" is derived from the English word for "to chop" or "to slice," which perfectly describes how the algorithm processes the data.
  • During the Snowden revelations, it became known that the NSA (National Security Agency) had attempted to undermine the SHA algorithms, which brought the security of the methods into the public eye.
  • A "hash collision" is when two different pieces of data produce the exact same hash value. It is the biggest weakness of any hashing algorithm.

Whether you want to perform a simple integrity check or generate a secure password hash, our tool provides the functionality and algorithms you need.

FAQ

How are the files processed?

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Your privacy and security are our top priority. Files are deleted from our servers immediately after processing. We do not store your files.

Is the website safe to use?

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Yes, our website is fully secured with SSL encryption to ensure that all of your data is transmitted safely.

Are there costs associated with the service?

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There are no costs associated to the services we deliver. Everything is free and has unlimited access

Which file formats are supported?

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We support a wide range of file formats, including PDF, DOC, DOCX, XLSX, JPG, PNG, and more. You can find the full list on our website.

Why are my conversions taking so long?

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The duration of a conversion can vary. Complex tasks require more processing time to ensure the best quality. A slow internet connection can also affect upload speed.

Is an API available?

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Currently, there is no public API available. We are working on the possibilities of offering an API in the future.