How to use
1. Enter or paste the text you want to generate a hash for in the input box above.
2. Click the Generate button to create the hash result.
Options
1. Process each line separately: When enabled, each line of input is processed separately, and each line produces its own hash. When disabled, the entire input is processed as one single text value.
2. Ignore blank lines: When enabled, blank lines are skipped and no results are generated for them. This option is usually most useful when processing text line by line.
3. Uppercase result: When enabled, the generated hash is displayed in uppercase letters, for example A-F instead of a-f. The original input text is not changed.
Example
Enter the following content:
123456
Click the generate button to produce:
ba3253876aed6bc22d4a6ff53d8406c6ad864195ed144ab5c87621b6c233b548baeae6956df346ec8c17f5ea10f35ee3cbc514797ed7ddd3145464e2a0bab413
About the SHA-512 Hash Generator
The StarryTool SHA-512 Hash Generator creates a SHA-512 hash from text in your browser. Enter a string, message, or sample value, generate the result, and get a fixed 512-bit digest commonly shown as 128 hexadecimal characters.
SHA-512 is a one-way hash function in the SHA-2 family. The same input produces the same hash, while a small change in the input normally creates a very different result. A SHA-512 hash is not encrypted text and cannot be decrypted back into the original content.
• Features
Text to SHA-512: Generate a SHA-512 hash from plain text, copied content, examples, or test strings.
Fixed-Length Output: SHA-512 always produces a 512-bit digest, usually displayed as a 128-character hexadecimal value.
Line-by-Line Processing: When needed, process each non-empty line as a separate input and generate separate SHA-512 results.
One-Way Result: SHA-512 is useful for creating message digests and fingerprints, but it does not hide or recover the original text.
• Common Uses
Generate a SHA-512 hash for a string, message, API example, or test value.
Compare SHA-512 digests to check whether two pieces of text produce the same result.
Create stable text fingerprints for development, documentation, compatibility checks, and sample data.
Use SHA-512 where a system, API, or workflow specifically requires a SHA-2 512-bit message digest.
Security note: Do not use a plain SHA-512 hash by itself for password storage. Passwords should be handled with dedicated password-hashing methods such as Argon2, bcrypt, or PBKDF2 with proper salts and work-factor settings.