Security tools that respect your privacy
11 free security tools — password generator, data breach checker, hash generator, text encryptor, SSL checker, HTTP headers scanner, and more. 100% client-side, no data ever logged.
All Tools
11 security tools, all free
Every tool runs 100% in your browser. No data is sent to servers, no inputs are logged. Complete privacy by design.
Password Generator
Generate strong, customizable passwords — control length, character sets, and exclude similar characters
Open toolPassword Strength Checker
Test password strength with entropy analysis, common pattern detection, and crack time estimation
Open toolData Breach Checker
Check if your email or phone has been compromised in known data breaches using Have I Been Pwned API
Open toolHash Generator
Generate MD5, SHA1, SHA256, SHA512 hashes from any text input — all computed in your browser
Open toolURL Safety Checker
Check if a URL is safe to visit — scan for malware, phishing, and suspicious patterns
Open toolText Encryptor/Decryptor
Encrypt and decrypt text using AES-256 encryption with a passphrase — all client-side
Open toolSSL Certificate Checker
Check SSL/TLS certificate details for any domain — issuer, expiry, chain, and protocol version
Open toolHTTP Headers Checker
Inspect HTTP response headers for any URL — check security headers, caching, and content policies
Open toolEmail Validator
Validate email addresses with syntax checking, domain verification, and disposable email detection
Open toolRandom Token Generator
Generate cryptographically secure random tokens for API keys, session IDs, and secrets
Open toolSecurity Headers Scanner
Scan any website for security headers — HSTS, CSP, X-Frame-Options, and more with recommendations
Open toolPrivacy is not a feature — it's the foundation
Every tool on ShieldX processes data entirely in your browser using Web Crypto API, Canvas, and other client-side technologies. Your passwords, encrypted text, hashes, and breach checks never leave your device. We do not log, store, or track any inputs. No cookies, no analytics, no third-party scripts on tool pages.
Why ShieldX
Security tools built right
Most security tool sites have outdated UIs, log your inputs, and run processing on their servers. We do the opposite — here's what makes ShieldX different.
100% Client-Side
Every tool runs entirely in your browser. Passwords, encrypted text, and hashes are never sent to a server. Your data stays on your device.
Privacy-First Architecture
We do not log, store, or track any data you process. No cookies, no analytics on tool pages, no third-party scripts. Complete privacy by design.
Real Breach Detection
Our data breach checker uses the Have I Been Pwned API to check against real breach databases. Know immediately if your credentials are compromised.
11 Tools in One Place
Stop visiting multiple security sites with outdated UIs and questionable privacy practices. All your security tools in one clean, professional interface.
Professional Quality
Our tools use industry-standard algorithms — AES-256 for encryption, SHA-256/512 for hashing, CSPRNG for tokens. Not toy implementations.
Developer-Friendly
Clean output formats, copy-to-clipboard, and detailed results. Perfect for developers who need quick security checks during development and testing.
How It Works
Security checks in three steps
No tutorials, no setup, no accounts. Just open a tool and start securing your digital life.
Choose Your Tool
Select from 11 security tools — password generator, breach checker, hash generator, SSL checker, or any other utility.
Input & Process
Enter your input — password, text, URL, or email. All processing happens instantly in your browser. No data leaves your device.
Get Results
View detailed results with security recommendations. Copy hashes, generated passwords, or encrypted text with one click.
Security Tips
Protect yourself online
Tools are just one part of security. Here are four essential practices every internet user should follow.
Use Unique Passwords
Never reuse passwords across accounts. A breach on one site should not compromise your other accounts. Use a password manager to generate and store unique passwords.
Enable Two-Factor Auth
Add an extra layer of security with 2FA. Even if your password is leaked, attackers cannot access your account without the second factor.
Check URLs Before Clicking
Hover over links to preview URLs. Look for HTTPS, correct domains, and avoid shortened URLs from unknown sources. Use our URL Safety Checker for suspicious links.
Check for Breaches Regularly
Use our Data Breach Checker monthly to see if your emails or phone numbers appear in new breach databases. Change compromised passwords immediately.
ShieldX vs. Others
Security tools should be secure
It's ironic that most security tool sites log your inputs and process data on their servers. Here's how ShieldX compares.
| Feature | ShieldX | Other Security Sites |
|---|---|---|
| Price | 100% Free | Free (ad-heavy) or paid |
| Privacy | No data logged | Often logs inputs |
| Processing | 100% client-side | Server-side processing |
| Password generator | Full customization | Basic options |
| Hash algorithms | MD5, SHA1, SHA256, SHA512 | 1–2 algorithms |
| SSL/HTTP checker | Free | Rarely free |
| Tools in one place | 11 tools | 1 tool per site |
FAQ
Questions? Answered.
Are these security tools really safe to use?
Yes. All tools run 100% client-side in your browser. Your passwords, text, and other inputs are never sent to any server. We use industry-standard algorithms (AES-256, SHA-256/512, CSPRNG) for all operations.
Do you log or store any data?
No. We do not log, store, or track any data you process with our tools. No analytics on tool pages, no cookies, no third-party scripts. Privacy is our core principle.
How does the Data Breach Checker work?
We use the Have I Been Pwned API, which aggregates data from real security breaches. Your email is sent as a hash prefix to the API (k-anonymity model) — the full email never leaves your browser. Only the relevant breach data is returned.
Is the password generator truly random?
Yes. We use the Web Crypto API's getRandomValues() function, which provides cryptographically secure random numbers. This is the same standard used by banks and security applications.
Can I use these tools for commercial purposes?
Absolutely. There are no restrictions on usage. Use ShieldX for personal security, development testing, security audits, or enterprise security checks — all free.
How is ShieldX different from other security tool sites?
Three key differences: (1) All processing is client-side — your data never leaves your browser. (2) We offer 11 tools in one place instead of one tool per site. (3) We do not log, track, or display intrusive ads on tool pages.
Coming Soon
More security tools in development
We're expanding ShieldX with advanced security utilities based on user requests and emerging threats.
Secure your digital life now
11 free security tools, 100% client-side, no data logged. Check your passwords, scan for breaches, and protect your privacy — all in one place.
Get in Touch
Have a question, feedback, or need help? Send us a message and we’ll get back to you within 24 hours.