How to use SHA-1 Hash Generator
Get the best out of SHA-1 Hash Generator: every option explained, a worked example, and what to check when the output is not what you expected.
Updated July 31, 2026
What it does
Generate a legacy SHA-1 hash of any string for checksums. It runs entirely in your browser — your input never leaves your device.
Options
Every setting this tool exposes, straight from the code that validates it.
| Option | Type | Default | What it does |
|---|---|---|---|
text | text | — | The text to hash (hashed as UTF-8). Required. |
Worked example
Run these settings on the tool page:
text:hello
You get:
aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d
Troubleshooting
- Nothing happens / the output stays empty.
textis required — the tool waits until you provide it. - It is slow on very large input. Everything runs in your browser, so speed depends on your device. Very large inputs are best split up, or run through the API where the work happens on our servers.
Automating it
The same logic is available as a REST endpoint, so you can run it from a script, a CI job or your own app.
Bashcurl "https://api.toolsxpo.com/v1/sha1-generator" \ -H "Authorization: Bearer $TOOLSXPO_KEY"
It costs 1 credit per successful call. See the full endpoint reference, or try it in the playground.
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