# SHA1 Hash Generator

World's simplest hash tool
Free online random SHA1 generator. Just press a button and you'll get random SHA1 checksums. There are no ads, popups or nonsense, just an awesome SHA1 digest generator. Press a button – get SHA1 hashes. Created by cryptogeeks from team Browserling.

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## What is a SHA1 Hash Generator?

learn more about this tool
This tool generates random SHA1 hash values in your browser. The SHA1 digest is one of several cryptographic hash functions. It's often used to verify that a file has been unaltered. It was developed by the NSA (US National Security Agency) and published by the NIST (National Institute of Standards and Technology). It's 160 bits in size or 40 hex symbols in length (one hex symbol is 4 bits). This utility also lets you enter the number of SHA1 checksums to generate, set a pattern for SHA1 checksums (such as require all checksums to begin with five zeros) and change the output radix (base) to bin, oct, dec, or custom. Additionally, if you require an upper case or lower case output, we have options for that as well. Hashabulous!

## SHA1 Hash Generator examples

Click to useSix Random SHA1 Hashes

This example calculates six random SHA-1 cryptographic hashes and converts them to uppercase. Each checksum is 40 digits long and is encoded as a hexadecimal number.

D7329D209426CC3CAF298FC6CBC2B52B6A707BFC
C091FF6DA9B0C728D6452D04AA9DFE4F01B3BED7
5C792BB6B981D80BBA66A88AAE2A2A71DCF4F451
CCB227DEBB1C308B91349F25D118FCC1F4FE8FB7
BBE5A2DB50AD202DECDFD0384418E507ADDC468F
4115F51E28BEBA1E2887C09CC06F1EE204B1130D

**Required options**

How many SHA1 hashes
to generate?

Custom format for
generating SHA1s.

SHA1 That Matches a Wildcard

In this example, we generate SHA1s that match the given wildcard format. The wildcard is "00000*fffff*00000", which means generate hashes that start and end with five zeros and have five f's in between.

00000a8e90c974625f33fffffb07bde0cd800000
00000b946537d9f64fffff52c607882b6ee00000
000005fdaa01a7c505fffff04c87419442200000
00000e11d9d034968fffff149ad6a15aab300000
00000d987f25e800fffff0cb9159a6b64d900000
0000007f7ec71efffffc34c552c6502f2e300000

**Required options**

How many SHA1 hashes
to generate?

Custom format for
generating SHA1s.

Octal SHA1s

In this example, we create valid SHA1 digests and convert them to the octal radix. To do it, we first generate them as hex numbers and then convert them to the octal number base. To represent 160 bits in the octal base, we need 53.3 characters, so we round it up to 54 octal characters.

046365111030004437047317162437420644322213415150441325
010062777015336064204450667266043126156644467146305655
030355674105223630267157406020055031443271705564572645
116457214151420434235754564221365253167051405704255736
034121111603236222441567371150475367544070361167012343
044046247725431041442506735610736443161332262706436551

**Required options**

How many SHA1 hashes
to generate?

Custom format for
generating SHA1s.

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-sha1-hash?&count=6&format=%2A&hex-base=true&uppercase=true

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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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