Hash a short string
Hashes are useful for comparing values without storing the original text in a fixture or note.
Input
LocalToolsOutput
SHA-256 digest outputDeveloper toolsRuns locally
Local SHA Hash Generator
Generate SHA-1, SHA-256, and SHA-512 hashes locally with Web Crypto for checksums, comparisons, and repeatable test values.
hashshacryptochecksum
Privacy note: this tool runs in your browser; inputs are not uploaded. How privacy works
Text to hash
Hashes
SHA hashes will appear here.
Hash Generator examples
Hash Generator use cases
- Create checksums for small text snippets.
- Compare whether two copied values are the same.
- Generate sample digests for documentation or tests.
How Hash Generator works
- Text is encoded in the browser.
- Web Crypto computes the selected SHA digest.
- The digest is displayed as a hex string.
Hash Generator mistakes to avoid
- A hash is not encryption and cannot be decrypted.
- Fast hashes are not enough for password storage.
- Changing a single character changes the digest completely.
Hash Generator privacy and processing
No uploadBrowser-localNo accountThis tool runs in your browser. Inputs are processed on your device and are not uploaded to LocalTools.
How LocalTools handles local and server-assisted toolsHash Generator related workflows
How LocalTools handles local and server-assisted tools
Understand which tools stay in the browser and which public URL checks need an API request.
Local-First Developer Tools for Sensitive Data
A practical hub for choosing browser-local tools when working with JSON, JWTs, PDFs, images, hashes, and other data you hesitate to paste online.
Hash Generator FAQ
Can this hash files?
This tool is focused on text input. Large file hashing needs a dedicated file workflow.
Which SHA option should I use?
SHA-256 is a common default for checksums and examples. Password storage needs a password hashing function, not a plain SHA digest.