SHA-1 Hash Generator
Generate the SHA-1 hash of any text instantly.
SHA-1 outputs a 160-bit hash shown as 40 hexadecimal characters.
About SHA-1 Hash Generator
Generate the SHA-1 hash of any string in your browser. SHA-1 produces a 40-character hexadecimal digest and is still seen in Git object IDs and legacy systems, but it is considered weak against collisions — prefer SHA-256 or SHA-512 for anything security-related.
SHA-1 outputs a 160-bit hash shown as 40 hexadecimal characters. It's still found in Git object IDs and older protocols, though it's no longer considered safe against deliberate collisions. This SHA-1 generator hashes any text in your browser and displays the other common algorithms next to it.
How to use SHA-1 Hash Generator
- Type or paste your text.
- Find the 40-character SHA-1 value in the results.
- Optionally switch to uppercase.
- Copy the hash.
Key features
- Instant SHA-1 alongside MD5 and SHA-2 hashes.
- Unicode-safe input.
- Copy-ready output.
- Processing stays on your device.
Common use cases
- Reproducing a hash used by an older API or legacy system.
- Understanding how Git-style content addressing works.
- Comparing checksums published as SHA-1.
Frequently asked questions
Related tools
Password Generator
Generate strong, random passwords with custom rules.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text.
SHA-256 Hash Generator
Generate the SHA-256 hash of any text instantly.
Bcrypt Generator & Checker
Generate bcrypt hashes and verify text against an existing bcrypt hash.