SHA1 Decrypt
Decrypt SHA1 hashes (lookup common hashes).
About this tool
Our SHA1 decrypt tool looks up common SHA-1 hashes and shows the known plaintext if found. For recognizing common strings only. Not for cracking passwords. Use only for hashes you’re allowed to check.
SHA1 is one-way; it cannot be reversed. Enter a hash and candidate passwords (one per line) to verify which one matches.
How to use
Enter a SHA1 hash for lookup.
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Pro tips
- •Use keyboard shortcuts where available to speed up your workflow.
- •Large inputs are processed in your browser—nothing is sent to our servers.
- •Bookmark this tool for quick access from your browser bar.