What are security tools?
Security Tools help you work with security and privacy checks without installing desktop software. Pick a task, add your file when needed, and complete the job quickly.
Ctrl K
Free Online Security Tools
Use all Security tools on AllToools.com to generate passwords, inspect hashes, validate headers, check DNS, and analyze security data. Open a tool, finish the task, and move on.
No Sign Up26 ToolsFree ForeverQuick Results
Popular Tools
AES Text Encryptor / DecryptorEncrypt and decrypt text with AES.Credit Card Validator (Luhn Algorithm)Validate card numbers with the Luhn checksum algorithm.CSRF & Secret Key GeneratorGenerate strong CSRF tokens and secret keys.DNS Record Lookup (A, MX, TXT, CNAME)Look up DNS records for domains.Email Header AnalyzerParse raw email headers to trace delivery path and auth results.File Hash / Checksum VerifierGenerate SHA checksums for files in your browser.HMAC GeneratorGenerate HMAC signatures with SHA-256, SHA-384, or SHA-512.HTML Entity / String EscaperEscape and unescape HTML entities and unsafe strings.IBAN / SWIFT Code ValidatorValidate IBAN and SWIFT/BIC code formats.IP Address & Geolocation FinderFind approximate IP address location and network details.JWT (JSON Web Token) DebuggerDecode, inspect, and debug JSON Web Tokens.MAC Address AnalyzerValidate MAC addresses and identify well-known hardware vendors.
More Security Tools
14 toolsMD5 / SHA-1 / SHA-256 / SHA-512 Hash GeneratorGenerate common hashes for text and files.Passphrase GeneratorGenerate memorable diceware-style passphrases from random words.Password Hash Generator (PBKDF2)Generate and verify salted PBKDF2 password hashes in your browser.Password Leak CheckerCheck if a password appears in known data breaches using k-anonymity.Password Strength CheckerCheck how strong and secure a password is.PGP Key Generator / EncryptorGenerate PGP keys and encrypt text with public keys.Random PIN GeneratorGenerate secure random PIN codes of any length.RSA Public / Private Key GeneratorGenerate RSA public/private key pairs.SSL Certificate DecoderDecode a PEM certificate to view subject, issuer, validity, and SANs.Subnet / CIDR CalculatorCalculate network, broadcast, host range, and mask from CIDR notation.Text / PII Redaction ToolFind and redact sensitive information from text.TOTP / 2FA Code GeneratorGenerate time-based one-time passwords (TOTP) for two-factor authentication.URL / Phishing Link AnalyzerAnalyze a URL for common phishing red flags before you click it.User-Agent & Browser Fingerprint AnalyzerInspect browser user-agent and fingerprint signals.
Guide to Security Tools
Quick answersWhat can you do with security tools?
You can generate passwords, inspect hashes, validate headers, check DNS, and analyze security data. Choose the tool that matches your task, add your file when needed, and complete the workflow quickly.
Who uses these tools?
These tools are useful for developers, site owners, IT teams, and privacy-conscious users. The layout keeps active tools easy to scan and related tools close by.
Questions about Security Tools
Are AllToools Security tools free?
Yes. All available Security tools on AllToools are free to use, and active tools do not require an account or sign-up.
Do AllToools Security tools upload my files?
Active Security tools are built to keep file handling simple and transparent. If a tool needs server processing, database storage, or AI support, we keep it marked as coming soon until it is ready to work properly.
Why are some Security tools marked coming soon?
We are continuously working on AllToools and adding new Security tools step by step. Some Security workflows require server-side libraries, database storage, or external APIs, so those tools are marked as coming soon while we prepare them for a reliable release.