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SHA2 Hash Generator

World's simplest hash tool
Free online random SHA2 generator. Just press a button and you'll get random valid SHA2 message digests. There are no ads, popups or nonsense, just an awesome SHA2 checksum generator. Press a button – get SHA2 hashes. Created by cryptogeeks from team Browserling.
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SHA2 Size, Count, Format
Select SHA2 digest size.
How many SHA2 digests to generate?
SHA2 hash pattern. (Works only with hex base.)
Hash format can be written as a wildcard. For example, "aa*bb" will generate SHA2 hash values that start with "aa" and end with "bb".
SHA2 Output Radix
Enter your SHA2 radix here (2-36).
SHA2 Output Options
SHA2 hash delimiter symbol(s).

What is a SHA2 Hash Generator?

learn more about this tool
This tool generates random SHA2 message digests in your browser. The SHA2 hash function is actually the name for a family of four hash functions – SHA2-224, SHA2-256, SHA2-384, SHA2-512. These functions strengthen the original SHA-1 hash function that was released in 1995 by the NIST. The SHA2 hashes were published in 2001 by the NSA and they are built from a one-way compression function, by using the collision-resistant Merkle–Damgard construction and the Davies–Meyer single-block-length compression structure. The number at the end of SHA prefix indicates the size of the hash digest. For SHA224 it's 224 bits (28 bytes), for SHA256 it's 256 bits (32 bytes), for SHA384 it's 384 bits (48 bytes), and for SHA512 it's 512 bits (64 bytes). Instead of printing that many bits, the hash is usually printed as a hexadecimal string. For example, SHA2-224 is printed as 56 hexadecimal digits. If you need to generate checksums that match a certain pattern (such as require that SHA2 begins with ten zeros), then you can enter a glob-like pattern in the options. If you need SHA2 in some other base than hexadecimal, then we also support custom SHA2 bases, such as binary, octal, and decimal. If that's not enough, you can also choose the custom-base option and enter any base you like up to base 36. Hashabulous!

SHA2 Hash Generator examples

Click to use
Seven Random SHA2 Hashes
This example generates seven random SHA2 (original SHA-224) cryptographic hashes. Each digest is 224 bits in size and when represented in hex encoding, it's 56 characters long.
df66be6114b3daf9042b3807e7ddab190d51e010d10582145cb2951e 8f1427d098d9e1faf2d6e35617f7d623e8c72bb26f4007bec365ac70 c0216cd85ce7acb799f22f6e7a46a29c67333a106e6cd4e628633f0e e4be92f9798385b18e34ca20a330da5f1de2e27c5546cfe3ca1cbf14 64ed2edc6602ad9ad7f29916ab6328a8ac24c8ba428b3f8c5847e527 2712526155f77a3a08c7a89fc6c58c497359a75b27b25706d33abda0 d8117afedc401e116f516d33d198f1055618ed9ca695ff6d61da4357
Required options
These options will be used automatically if you select this example.
Select SHA2 digest size.
How many SHA2 digests to generate?
SHA2 hash pattern. (Works only with hex base.)
SHA2-256 That Start with Zeros
In this example, we require that the generated SHA-256 digest messages match a glob pattern that that starts with eight zeros and ends with a nine. As SHA-256 is 256 bits long, then the size of each hash is 64 hexadecimal digits.
00000000dff538fac5a1f94403d2a4ba73e832b26705c5d2bf946ea9 00000000c47cf1231bc2cfa5f1630172247f4573be1cb7ba660207c9 0000000019c4fc566c02d55b8f28da2d9fac230b1029e085e096a0c9 000000009c7f56a1895a234efd2ed19d087142ca57abdc6538607359 0000000042d69beb99f7695ad1b4774028c147f8be83099eb02d0959 0000000061590a5e4c1322ef7c15ae32fc189d7279d3d94b09a01d69 00000000b3796d31b7d792ff254118172023adde587e3575fd4228b9 000000003b55dc2f2f63ef15aefb3ed6a4f403828919cb040273f8a9
Required options
These options will be used automatically if you select this example.
Select SHA2 digest size.
How many SHA2 digests to generate?
SHA2 hash pattern. (Works only with hex base.)
Base-32 SHA2-384 Hashes
In this example, we calculate four random SHA-384 hash codes in base-32. The number 384 indicates that these hashes are 384 bits long (or 96 nibbles long, or 48 bytes long, or 24 words long). To represent 384 bits in base-32, we need 384/log2(32) symbols, which is 76.8. As we can't print partial symbols, we round it up to 77 and get that each SHA-384 code has the length of 77 characters in base-32. Also for a change, we convert all base-32 symbols to upper case.
duc3dsn4pud196ljkc13b9g9vq3o3c0m4htiah94nehs1ilik29ecnhajp8c0shc0ilhu75g4bbm8 a9ho72q4q2aj4m27vp0fe3u7tt51r7i5akrn5rf78f5trckf70m9oha7q79p5u97j4p29ghvg6pdu 6bh0129u7sp8fqv4iimu8vl51e3f71g6nbenpis4eed5blang31klglt957pdq0jkg00v80gi41d8 bcti3g2beqlptfkikra6actvck4mmmi4tv21cctp49erdo1mot643te17k8eutd0irmapdjfbko5u
Required options
These options will be used automatically if you select this example.
Select SHA2 digest size.
How many SHA2 digests to generate?
SHA2 hash pattern. (Works only with hex base.)
Enter your SHA2 radix here (2-36).
SHA2-512 As Decimal Numbers
This example calculates three random SHA-512 hash values. SHA512 is as high as SHA2 algorithm can go with 512 bits in the output hash value. When printed in decimal form, each hash takes 155 digits.
09248679869673683793090679627851139199627766151130003295047980781320979626756853141785673118450513705471714240498483256116070591231397780667350962324191148 09367765062894749570239360078996695804646803298509640885370260421190943397080203423501119420903091085020136092899204587123845777958951994039654174581586735 01357214890429808143105525213308293047266007951898586605561468212861151939730441039615420191093531757754763148187964486311846269057717320235291872044463304
Required options
These options will be used automatically if you select this example.
Select SHA2 digest size.
How many SHA2 digests to generate?
SHA2 hash pattern. (Works only with hex base.)
Pro tips Master online hash tools
You can pass options to this tool using their codes as query arguments and it will automatically compute output. To get the code of an option, just hover over its icon. Here's how to type it in your browser's address bar. Click to try!
https://onlinehashtools.com/generate-random-sha2-hash?&count=7&size=224&format=%2A&hex-base=true&lowercase=true
All hash tools
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Calculate MD5 Hash
Quickly calculate cryptographic MD5 checksums.
Generate Random MD5 Hashes
Quickly generate random valid MD5 message digests.
Generate Random MD4 Hashes
Quickly generate random valid MD4 hash digests.
Generate Random SHA1 Hashes
Quickly generate random valid SHA1 hash values.
Generate Random SHA2 Hashes
Quickly generate random valid SHA2 hash codes.
Generate Random SHA-224 Hashes
Quickly generate random valid SHA224 hash digests.
Generate Random SHA-256 Hashes
Quickly generate random valid SHA256 checksums.
Generate Random SHA-384 Hashes
Quickly generate random valid SHA384 fingerprints.
Generate Random SHA-512 Hashes
Quickly generate random valid SHA512 digests.
Coming soon These hash tools are on the way
Calculate Whirlpool Hash
Find the Whirlpool hash of a string, file, or image.
Generate Random Whirlpool Hashes
Generate random valid Whirlpool checksums.
Generate Whirlpool Collisions
Create two files with the same Whirlpool digest.
Reverse Whirlpool Checksum
Decode a Whrilpool hash and find its file or string.
Calculate MD2 Hash
Calculate MD2 hash function of strings, files and images.
Generate MD2 Collisions
Create two files that have the same MD2 checksum.
Calculate MD4 Hash
Calculate MD4 hash value of strings, files and images.
Reverse MD4 Hash
Decode MD4 hash and find the string that matches it.
Generate MD4 Collisions
Create two values that have the same MD4 message digest.
Reverse MD5 Hash
Decode MD5 checksum and find the data that matches it.
Generate MD5 Collisions
Create two strings that have the same MD5 hash value.
Calculate MD6 Hash
Calculate MD6 digest of strings, files and images.
Reverse MD6 Hash
Decode MD6 digest and find the data that matches it.
Calculate SHA0 Hash
Calculate SHA0 message digest of text, files and images.
Create Random SHA0 Hashes
Generate random valid SHA0 checksums.
Calculate SHA1 Hash
Calculate SHA1 hash function of strings, files and images.
Calculate SHA2 Hash
Find the SHA2 checksum of the given input data.
Calculate SHA3 Hash
Compute the SHA3 digest of binary or text data.
Create Random SHA3 Hashes
Generate random valid SHA3 checksums.
Create Random SHA3-224 Hashes
Generate random valid SHA3-224 checksums.
Create Random SHA3-256 Hashes
Generate random valid SHA3-256 checksums.
Create Random SHA3-384 Hashes
Generate random valid SHA3-384 checksums.
Create Random SHA3-512 Hashes
Generate random valid SHA3-512 checksums.
Analyze a Bcrypt Hash
Show the version, cost, salt, and hash of a bcrypt string.
Calculate a Bcrypt Hash
Compute the bcrypt hash of a password.
Create Random Bcrypt Hashes
Generate random valid bcrypt checkums.
Calculate CRC8 Hash
Calculate CRC8 checksum of the input data.
Calculate CRC16 Hash
Calculate CRC16 checksum of the input data.
Calculate CRC24 Hash
Calculate CRC24 checksum of the input data.
Calculate CRC32 Hash
Calculate CRC32 checksum of the input data.
Calculate CRC64 Hash
Calculate CRC64 checksum of the input data.
Calculate NTLM Hash
Calculate NT LAN Manager password hash.
Create Random NTLM Hashes
Generate random valid NTLM hash values.
Calculate MySQL Hash
Calculate the hash of a MySQL database password.
Create Random MySQL Hashes
Generate random valid MySQL password hashes.
Calculate MariaDB Hash
Calculate the hash of a MariaDB database password.
Create Random MariaDB Hashes
Generate random valid MariaDB password hashes.
Calculate Postgres Hash
Calculate the hash of a PostgreSQL database password.
Create Random Postgres Hashes
Generate random valid PostgreSQL password hashes.
Calculate Mongodb Hash
Calculate the hash of a Mongodb database password.
Create Random Mongodb Hashes
Generate random valid Mongodb password hashes.
Calculate BLAKE Hash
Calculate BLAKE checksum of text, files and images.
Create Random BLAKE Hashes
Generate random valid BLAKE hash values.
Calculate BLAKE2 Hash
Calculate BLAKE2 hash code of text, files and images.
Create Random BLAKE2 Hashes
Generate random valid BLAKE2 message digests.
Calculate BLAKE3 Hash
Calculate BLAKE3 hash code of text, files and images.
Create Random BLAKE3 Hashes
Generate random valid BLAKE3 cryptographic hashes.
Calculate Keccak Hash
Calculate Keccak hash value of text, files and images.
Create Random Keccak Hashes
Generate random valid Keccak checksums.
Calculate SHAKE Hash
Calculate SHAKE digest of text, files and images.
Create Random SHAKE Hashes
Generate random valid SHAKE fingerprints.
Calculate Adler32 Hash
Calculate Adler32 checksum of the given data.
Create Random Adler32 Hashes
Generate random valid Adler32 hash values.
Calculate a Hash of a Hash
Calculate a hash of another hash, that is hash1(hash2(data)).
Generate Random Hex Values
Create a random hex string of any length.
Generate an SFV File
Create an .sfv file containing checksums of the given files.
Verify SFV Checksums
Check the checkums of files fron an .sfv file.
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@browserling
We're Browserling — a friendly and fun cross-browser testing company powered by alien technology. At Browserling we love to make developers' lives easier, so we created this collection of cryptographic hash functions. Unlike many other tools, we made our tools free, without ads, and with the simplest possible user interface. Our online hash tools are actually powered by our programming tools that we created over the last couple of years. Check them out!
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Privacy Policy we don't log data!
All conversions and calculations are done in your browser using JavaScript. We don't send a single bit about your input data to our servers. There is no server-side processing at all. We use Google Analytics and StatCounter for site usage analytics. Your IP address is saved on our web server, but it's not associated with any personally identifiable information. We don't use cookies and don't store session information in cookies. We use your browser's local storage to save tools' input. It stays on your computer.
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By using Online Hash Tools you agree to our Terms of Service. TLDR: You don't need an account to use our tools. All tools are free of charge and you can use them as much as you want. You can't do illegal or shady things with our tools. We may block your access to tools, if we find out you're doing something bad. We're not liable for your actions and we offer no warranty. We may revise our terms at any time.