Free security tools
Tools we use in our own work, free for everyone. Most of them run entirely in your browser: what you enter never reaches us.
Email and domains
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Email security check
Grade a domain’s protection against spoofed email: SPF, DKIM, DMARC, DNSSEC, CAA and MTA-STS.
Runs in your browser, asks a public service -
SPF and DMARC generator
Build correct SPF and DMARC records for your domain and check an existing SPF record.
Runs in your browser -
Email header analyser
Check SPF, DKIM and DMARC results, spoofed senders and the delivery path of an email.
Runs in your browser -
Phishing link analyser
Paste a suspicious link or message and see where each link really leads, without opening it.
Runs in your browser
Websites
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SecAudit seal verifier
Check that a SecAudit security seal on a WordPress site is genuine, current and confirmed by its owner.
Runs in your browser, asks a public service -
Security headers scanner
Grade a website’s HTTP security headers, cookies and TLS certificate, with a fix for every finding.
Our server fetches the page
Passwords and identity
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Password generator
Generate strong passwords and passphrases, and check how strong your own password is.
Runs in your browser -
Password breach check
Find out whether a password appears in known data breaches without revealing it.
Runs in your browser, asks a public service -
JWT decoder
Decode a JSON Web Token and check it for common security mistakes, without it leaving your browser.
Runs in your browser
Analysis
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CVSS 3.1 calculator
Score a vulnerability with the CVSS 3.1 base metrics and get a shareable vector.
Runs in your browser -
File hash checker
Calculate SHA-256 and other hashes of a file or text and compare them with a published checksum.
Runs in your browser
Tell us what you need to protect
Describe your environment and what you want to achieve. We will reply by email.
Contact usAngelForce OÜ · Tallinn, Estonia