Hash Generator
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files, and compare checksums. Private, in-browser.
How to use Hash Generator
- Type text or choose a file.
- All hashes are calculated instantly.
- Paste an expected hash to verify a match.
Frequently asked questions
Is MD5 supported?
MD5 is included for checksums, but it is not secure for passwords or signatures.
Are big files OK?
Yes, files of several hundred MB work on most devices.
Is Hash Generator free?
Yes. Hash Generator is completely free, with no sign-up, no watermark and no usage limits.
Is my data uploaded to a server?
No. Hash Generator runs entirely in your browser. Your files and text never leave your device.
Does it work offline?
Yes. After Red Cat Tools has loaded once, this tool keeps working without an internet connection. You can also install Red Cat Tools as an app.
Related tools
All Developer toolsPassword Generator
Strong random passwords and passphrases.
Base64 Encode / Decode
Encode and decode Base64 text and files.
UUID Generator
Generate v4 and v7 UUIDs in bulk.
JSON Formatter & Validator
Beautify, minify and validate JSON with error hints.
URL Encode / Decode
Percent-encode text and parse URLs into parts.
JWT Decoder
Decode JSON Web Token header, payload and expiry.