Security Articles
In-depth guides for SEO, productivity, and free online tools — written to help you solve real tasks and rank long-tail keywords.
Random String PIN Generator: Complete Guide & Free Online Tool
Generate random strings, passwords, and PINs locally. Free online tool on ToolSphare. No sign-up required. Start free in your browser.
HTTP Security Headers Auditor: Complete Guide & Free Online Tool
Inspect and audit website HTTP response security headers: HSTS, Content-Security-Policy (CSP), X-Frame-Options, and Referrer-Policy. Free online tool on
Cryptographic Hash Identifier: Complete Guide & Free Online Tool
Identify unknown hash types (MD5, SHA-256, Bcrypt, Argon2, NTLM) and analyze cryptographic bit length and security. Free online tool on ToolSphare. No
SSL Certificate Checker & Expiry Inspector: Complete Guide & Free Online Tool
Inspect SSL/TLS certificate health, days until expiration, certificate authority (CA) issuer, and HTTPS handshake parameters. Free online tool on
Hash Generator: Complete Guide & Free Online Tool
Compute SHA-256, SHA-1, and other hashes from any text input. Free online tool on ToolSphare. No sign-up required. Start free in your browser.
DMARC & SPF Record Generator: Complete Guide & Free Online Tool
Generate and validate DMARC and SPF DNS TXT records to protect your domain from email spoofing, phishing, and ensure delivery to Gmail and Yahoo. Free
CSR Certificate Request Decoder: Complete Guide & Free Online Tool
Decode PKCS#10 Certificate Signing Requests (CSR) to verify Common Name, SANs, organization, key size, and signature algorithm. Free online tool on
Password Entropy & Crack Time Calculator: Complete Guide & Free Online Tool
Calculate information entropy (in bits) according to Shannon formula and estimate brute-force crack time. Free online tool on ToolSphare. No sign-up
HMAC Generator: Complete Guide & Free Online Tool
Compute HMAC-SHA256 signatures locally. Free online tool on ToolSphare. No sign-up required. Start free in your browser.
HTML Sanitizer & XSS Cleaner: Complete Guide & Free Online Tool
Sanitize unsafe HTML markup, eliminate XSS vulnerabilities, remove dangerous script tags and event handlers with real-time preview. Free online tool on
Password Strength Checker: Complete Guide & Free Online Tool
Check password strength locally — nothing is uploaded. Free online tool on ToolSphare. No sign-up required. Start free in your browser.
Bcrypt Hash Generator & Verifier: Complete Guide & Free Online Tool
Generate and verify cryptographically secure Bcrypt password hashes ($2a$, $2b$, $2y$) with configurable cost factor rounds and salt. Free online tool on
File Hash Generator (SHA-256, MD5): Complete Guide & Free Online Tool
Free File Hash Generator (SHA-256, MD5) utility on ToolSphare. Use File Hash Generator (SHA-256, MD5) free in your browser on ToolSphare. Start now.
TOTP 2FA Generator: Complete Guide & Free Online Tool
Generate TOTP 2FA codes from a Base32 secret in your browser. Free online tool on ToolSphare. No sign-up required. Start free in your browser.
AES Encrypt Decrypt: Complete Guide & Free Online Tool
Encrypt and decrypt text with AES-GCM in your browser. Free online tool on ToolSphare. No sign-up required. Start free in your browser.
Text & Message Encryptor: Complete Guide & Free Online Tool
Encrypt and decrypt sensitive text, notes, passwords, and secret messages using client-side AES-256-GCM encryption. Free online tool on ToolSphare. No
MS Access Password Recovery & DB Tools: Complete Guide & Free Online Tool
Use MS Access Password Recovery & DB Tools free in your browser on ToolSphare. Free online tool on ToolSphare. No sign-up required.
Password Generator: Complete Guide & Free Online Tool
Create strong random passwords with custom length and character sets. Free online tool on ToolSphare. No sign-up required. Start free in your browser.
