the Harvester
Gather emails, subdomains, hosts, and employee names from public sources for reconnaissance.
External Tool
This open-source tool is maintained externally. View the source on GitHub to learn more or run it yourself.
Browse security tools →What's next with the Harvester?
Choose how you want to get started.
Use it free
Open the official tool or demo — no account needed.
Self-host it
Run the open-source version on your own infrastructure.
What is the Harvester?
theHarvester is a free email and subdomain enumeration tool used by security professionals and researchers.
How it works
How theHarvester works — see the article below for details on this osint tools tool.
How to use it
- 1Open the theHarvester tool, enter your input, and get your result instantly.
What it can do
- email and subdomain enumeration
Use cases
Assumptions and limitations
Assumptions
- source: https://github.com/laramies/theHarvester
- license: GPL-2.0 — free to use
- privacy: Self-hosted — you control your data
Limitations
- Dual-use tool — use only with explicit authorization on systems you own or have permission to test.
- Self-hosted — requires setup, maintenance, and your own infrastructure.
- Relies on an external source (github.com); availability depends on that service.
- Focused on the osint tools category: Gather emails, subdomains, hosts, and employee names from public sources for reconnaissance..
Understanding the result
Gather emails, subdomains, hosts, and employee names from public sources for reconnaissance.
Tool details
- Clearly flagged when a network request is needed.
- No account, no sign-up, and no tracking of your content.
- Powered by (MIT).
- Built with
- (laramies/theHarvester)
- License
- MIT
- Runs locally
- No — requires a network request
- Verification
- Not yet verified
- Input
- Query
- Output
- Text
Built with laramies/theHarvester. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.
- Built with
- License
- MIT
Open-source project
OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.
References
- / — GitHub Repository
Upstream project · GitHub
- GPL-2.0 License
Upstream project