Hash Generator

Hash any text with SHA-1, SHA-256, SHA-384, SHA-512, or BCrypt directly in your browser — ideal for checksums and integrity checks. Need a strong input to hash? Create one with the password generator.

# Hashing...
Reference

Hash Function notes

What is Hash Function?

A hash function converts input data into a deterministic digest, often shown as a hexadecimal or Base64 string. Hashes are used for checksums, integrity checks, cache keys, signatures, and password storage workflows.

How does the Hash Function tool work?

For SHA-1, SHA-256, SHA-384, and SHA-512, the tool encodes your text into bytes and calculates the digest in the browser. BCrypt is a password hashing algorithm that adds a salt and configurable work factor, making repeated guessing slower than with fast checksum hashes.

When should you use Hash Function?

  • Generating SHA-256 or SHA-512 checksums for text snippets
  • Creating BCrypt password hashes for development and testing
  • Comparing digests to detect accidental data changes
  • Building cache keys and content fingerprints
  • Preparing input for API signing and verification workflows
  • Learning the difference between fast hashes and password hashes

What are the limitations of Hash Function?

  • Hashing is one-way and cannot be decoded back to the original input
  • Hashes do not encrypt data and should not be treated as hidden content
  • SHA-1 is not recommended for security-sensitive collision resistance
  • Fast SHA hashes are not suitable for password storage without a dedicated password hashing scheme
  • BCrypt output changes each time because it includes a random salt
  • Large inputs or high BCrypt salt rounds may take longer in the browser

Hash Function examples

simple-text Hello World -> a591a6d40bf420404a011733cfb7b190...
password super-secret-password -> SHA-256 hash generated
json-data {"id":1,"name":"DevTools"} -> Unique digest generated
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