TextSHA-256
Hash will appear here.
Free browser-only security tool
Text & File Hash Generator
Generate SHA-256 and SHA-512 hashes for pasted text or local files without sending the content to a server.
- SHA-256
- SHA-512
- Text hashing
- Local file hashing
Generated fingerprints
Hash results
StatusReady
- Text size
- 13 bytes
- Selected file
- No file selected
- File size
- -
TextSHA-512
Hash will appear here.
FileSHA-256
Choose a file to hash.
FileSHA-512
Choose a file to hash.
How a hash generator works
A hash function creates a fixed-length fingerprint from text or a file. If the input changes by even one character or byte, the resulting hash changes. That makes hashes useful for comparing files, checking downloads, and confirming that copied text stayed exactly the same.
This page uses the browser Web Crypto API for SHA-256 and SHA-512. The browser reads the text or local file, computes the digest, and displays the hexadecimal result.
How to verify a downloaded file
Many software publishers provide a SHA-256 checksum next to a download. After saving the file, choose it in this tool and compare the generated value to the publisher's checksum. Matching values mean the file bytes match the published fingerprint.
A checksum does not prove the publisher is trustworthy by itself. It helps confirm that the file you received matches the file described by the checksum source.
Why SHA-256 and SHA-512 are included
SHA-256 is widely used for download integrity, package managers, release notes, and security documentation. SHA-512 creates a longer fingerprint and is also common in modern cryptographic workflows.
Older algorithms such as MD5 are still seen in legacy checks, but they are not recommended for new security-sensitive verification because collision weaknesses are well known.
Privacy and limitations
The hashing work happens locally in your browser. Utility Stack does not upload the file or text you choose, and the page does not require an account. Avoid pasting secrets into any online page unless your organization allows that workflow.
A hash is one-way. It cannot decrypt a file, recover a password, or reveal the original text. It is a comparison fingerprint, not a storage or recovery tool.