How to use the SHA-1 Hash Generator
- Paste your text into the input box.
- Adjust the options if needed. The output updates as you type.
- Copy the result or download it as a file.
Private by design
Developer data is often sensitive: API responses, tokens, customer records, internal configs. This SHA-1 Hash Generator processes everything locally in your browser tab. There is no server round-trip, no logging and no storage of your input.
Frequently asked questions
Is this SHA-1 Hash Generator free?
Yes. This SHA-1 Hash Generator is completely free to use with no sign-up, no limits and no ads inside the tool.
Is my data uploaded to a server?
No. The SHA-1 Hash Generator runs entirely in your browser using JavaScript. Nothing you paste is sent to DevT Pro or any other server.
Is SHA-1 secure?
SHA-1 is fine for checksums and cache keys, but it is broken for security purposes. Use SHA-256 or stronger for signatures, and a dedicated password hash such as bcrypt or Argon2 for passwords.
Can I use the SHA-1 Hash Generator offline?
Yes. SHA-1 Hash Generator is also built into DevT Pro, a native app for Mac, Windows, iPad and Linux with 120+ developer tools that work fully offline. It is a $5.99 one-time purchase with no subscription.
