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Hash Generator

Calculate a SHA-256 or SHA-512 digest of UTF-8 text in your browser. Get the hexadecimal result without uploading your input.

Your browser. Your workspace.
Ready when you are

A little less busywork. A little more time for what matters.

About Hash Generator

Turn a piece of text into a repeatable hexadecimal fingerprint. The same exact text and algorithm produce the same result.

How to use it

  1. Choose SHA-256 or SHA-512.
  2. Paste the exact text you want to hash, including any intentional spaces or newlines.
  3. Run the tool, then copy or download the hexadecimal digest.

Good to know

  • Hashing is not encryption and there is no decode operation. A plain SHA digest is not a password-storage scheme.
  • This tool hashes UTF-8 text, not uploaded files. Even a single changed space or newline changes the digest. A secure browser context is required.

Your tool input is processed in this browser and is not uploaded by the application. JavaScript is required to run the tool.

The small print, plainly

A note on privacy.

Tool inputs and files are processed in your browser. This app does not upload the content you enter or the files you open.

The website host can receive ordinary request information, such as your IP address and browser details, when you load the site. No analytics have been added to this app.

Only your favorite tool IDs are saved in local storage on this browser. You can remove favorites by un-starring them or clearing this site’s browser data.

Clearing an input removes it from the tool. It does not clear your clipboard or delete files you have downloaded.

Simple tools, thoughtfully made.