Best Free Privacy & Security Tools Online

Remove personal information from text before sending to AI. Scrub emails, phone numbers, SSNs, credit cards, and API keys locally.

Score email subject lines for open rate potential, spam risk, length, and clarity. Get instant feedback and improvement suggestions.

Detect AI-generated text with a free browser-based analyzer. Check if content was written by ChatGPT, Claude, or other AI models — privately, no uploads.

Validate email addresses for format, domain, and deliverability. Check if an email is valid, disposable, or from a free provider — privately in your browser.

Scan email copy for spam trigger words. Get a spam score and suggestions to improve deliverability before sending.

Check if a URL is safe or a phishing site. Analyze links for suspicious patterns, domain age, and known threats — privately in your browser.

Check password strength and get security recommendations. Analyze entropy, common patterns, and breach exposure — all locally in your browser.

Analyze website security headers like CSP, HSTS, X-Frame-Options, and more. Get a security score and recommendations for free.

Check SSL certificate details, validity, and chain for any website. Verify issuer, expiration, and encryption strength privately.

Check domain reputation, age, and safety status. Analyze if a website is trustworthy, blacklisted, or suspicious.

Generate GDPR-compliant cookie consent banners and privacy notices for your website. Customize styles and export code.

Check your website for GDPR compliance issues. Analyze privacy policy, cookie consent, data collection, and user rights — privately.

Generate a data retention policy for your business. Customize by industry, data types, and jurisdiction — export in minutes.

Analyze email headers for deliverability issues, spoofing, and routing problems. Inspect SPF, DKIM, DMARC, and IP paths.

Detect AI-generated images and deepfakes. Analyze image metadata and patterns to identify synthetic media — privately in your browser.

Check if your email or phone number has appeared in a known data breach. Get breach details and security recommendations.

Check email deliverability by analyzing SPF, DKIM, and DMARC records. Ensure your emails reach the inbox, not spam.

Audit your privacy policy for GDPR, CCPA, and other regulation compliance. Get a checklist and improvement suggestions.

Generate email previews across desktop, mobile, and dark mode. Test how your email looks in different clients before sending.

Check the spam score of your email or message. Analyze content, links, and formatting for deliverability issues.

Generate consent management banners and preference centers for GDPR and CCPA compliance. Export customizable code.

Generate data breach notification templates for customers, regulators, and internal teams. Compliant with GDPR and state laws.

Generate data anonymization reports for GDPR Article 25 compliance. Document anonymization techniques and risk assessments.