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Hash generators, IP lookup, WHOIS, email extractors, and privacy policy generators.
Extract all email addresses from any text block. Deduplicated, sorted, and ready to export.
Find your public IP address and geolocation information instantly.
Look up domain registration information and ownership details.
Generate a complete privacy policy for your website or app. Free, customizable, GDPR and CCPA ready.
Analyze password strength: length, character types, entropy, estimated crack time. Never stores or transmits passwords.
Upload a file to compute MD5, SHA-1, and SHA-256 checksums. Paste an expected hash to verify integrity.
Learn about SSL/TLS certificates, how they work, and the differences between DV, OV, and EV certificates.
Generate time-based one-time passwords (2FA codes) from a TOTP secret. Live 30-second countdown with Web Crypto API.
Encrypt a message with a password using AES-GCM. Share the encrypted text safely. Zero-knowledge, client-side only.
Check password length and character types used.
Generate MD5 hash of any text. Instant, browser-side, copy output.
Compute MD5 checksum of a file. Drag-and-drop, no upload to server.
Hash multiple inputs in batch with MD5. CSV import, copy table.
HMAC-MD5 signing — message + key, copyable output.
Generate SHA1 hash of any text. Instant, browser-side, copy output.
Compute SHA1 checksum of a file. Drag-and-drop, no upload to server.
Hash multiple inputs in batch with SHA1. CSV import, copy table.
HMAC-SHA1 signing — message + key, copyable output.
Generate SHA224 hash of any text. Instant, browser-side, copy output.
Compute SHA224 checksum of a file. Drag-and-drop, no upload to server.
Hash multiple inputs in batch with SHA224. CSV import, copy table.
HMAC-SHA224 signing — message + key, copyable output.
Generate SHA256 hash of any text. Instant, browser-side, copy output.
Compute SHA256 checksum of a file. Drag-and-drop, no upload to server.
Hash multiple inputs in batch with SHA256. CSV import, copy table.
HMAC-SHA256 signing — message + key, copyable output.
Generate SHA384 hash of any text. Instant, browser-side, copy output.
Compute SHA384 checksum of a file. Drag-and-drop, no upload to server.
Hash multiple inputs in batch with SHA384. CSV import, copy table.
HMAC-SHA384 signing — message + key, copyable output.
Generate SHA512 hash of any text. Instant, browser-side, copy output.
Compute SHA512 checksum of a file. Drag-and-drop, no upload to server.
Hash multiple inputs in batch with SHA512. CSV import, copy table.
HMAC-SHA512 signing — message + key, copyable output.
Generate SHA3-256 hash of any text. Instant, browser-side, copy output.
Compute SHA3-256 checksum of a file. Drag-and-drop, no upload to server.
Hash multiple inputs in batch with SHA3-256. CSV import, copy table.
HMAC-SHA3-256 signing — message + key, copyable output.
Generate SHA3-512 hash of any text. Instant, browser-side, copy output.
Compute SHA3-512 checksum of a file. Drag-and-drop, no upload to server.
Hash multiple inputs in batch with SHA3-512. CSV import, copy table.
HMAC-SHA3-512 signing — message + key, copyable output.
Generate BLAKE2B hash of any text. Instant, browser-side, copy output.
Compute BLAKE2B checksum of a file. Drag-and-drop, no upload to server.
Hash multiple inputs in batch with BLAKE2B. CSV import, copy table.
HMAC-BLAKE2B signing — message + key, copyable output.
Generate CRC32 hash of any text. Instant, browser-side, copy output.
Compute CRC32 checksum of a file. Drag-and-drop, no upload to server.
Hash multiple inputs in batch with CRC32. CSV import, copy table.
HMAC-CRC32 signing — message + key, copyable output.
Hash Comparison Tool — secure, browser-side cryptography.
Hash Collision Finder — secure, browser-side cryptography.
Rainbow Table Info — secure, browser-side cryptography.
Password Hash Strength — secure, browser-side cryptography.
Bcrypt Hash Generator — secure, browser-side cryptography.
Argon2 Hash Generator — secure, browser-side cryptography.
Pbkdf2 Hash Generator — secure, browser-side cryptography.
Scrypt Hash Generator — secure, browser-side cryptography.
Bcrypt Verifier — secure, browser-side cryptography.
Password Entropy Calc — secure, browser-side cryptography.
Jwt Decoder — RFC-compliant cryptography in your browser.
Jwt Builder — RFC-compliant cryptography in your browser.
Jwt Signature Verifier — RFC-compliant cryptography in your browser.
Jwt Claims Checker — RFC-compliant cryptography in your browser.
Rsa Key Pair Generator — RFC-compliant cryptography in your browser.
Ecdsa Key Pair Generator — RFC-compliant cryptography in your browser.
Ed25519 Keygen — RFC-compliant cryptography in your browser.
Ssh Keygen Online — RFC-compliant cryptography in your browser.
Gpg Keygen Online — RFC-compliant cryptography in your browser.
Pem To Der — RFC-compliant cryptography in your browser.
Der To Pem — RFC-compliant cryptography in your browser.
Cert Pem Decoder — RFC-compliant cryptography in your browser.
Csr Decoder — RFC-compliant cryptography in your browser.
Csr Generator — RFC-compliant cryptography in your browser.
Self Signed Cert — RFC-compliant cryptography in your browser.
Tls Cipher Checker — RFC-compliant cryptography in your browser.
Aes Encrypt Decrypt — RFC-compliant cryptography in your browser.
Rsa Encrypt Decrypt — RFC-compliant cryptography in your browser.
Pgp Encrypt Decrypt — RFC-compliant cryptography in your browser.
Diffie Hellman Explainer — RFC-compliant cryptography in your browser.
Ecdh Key Exchange — RFC-compliant cryptography in your browser.
Kdf Derivation — RFC-compliant cryptography in your browser.
Password Shamir Split — RFC-compliant cryptography in your browser.
Shamir Secret Recombine — RFC-compliant cryptography in your browser.
One Time Pad Tool — RFC-compliant cryptography in your browser.
Caesar Cipher — RFC-compliant cryptography in your browser.
Vigenere Cipher — RFC-compliant cryptography in your browser.
Rsa Prime Gen — RFC-compliant cryptography in your browser.
Crypto Random Bytes — RFC-compliant cryptography in your browser.
Uuid V1 — RFC-compliant cryptography in your browser.
Uuid V3 — RFC-compliant cryptography in your browser.
Uuid V4 — RFC-compliant cryptography in your browser.
Uuid V5 — RFC-compliant cryptography in your browser.
Uuid V6 — RFC-compliant cryptography in your browser.
Uuid V7 — RFC-compliant cryptography in your browser.
Nanoid Generator — RFC-compliant cryptography in your browser.
Cuid Generator — RFC-compliant cryptography in your browser.
Ulid Generator — RFC-compliant cryptography in your browser.
Snowflake Id Decoder — RFC-compliant cryptography in your browser.
Rsa Key Strength Test — RFC-compliant cryptography in your browser.
Ssl Grade Explainer — RFC-compliant cryptography in your browser.
X509 Builder — RFC-compliant cryptography in your browser.
Csr To Cert Converter — RFC-compliant cryptography in your browser.
Pkcs12 Decoder — RFC-compliant cryptography in your browser.
Pkcs12 Builder — RFC-compliant cryptography in your browser.
Jwk To Pem — RFC-compliant cryptography in your browser.
Pem To Jwk — RFC-compliant cryptography in your browser.
Cms Decoder — RFC-compliant cryptography in your browser.
Pkcs7 Decoder — RFC-compliant cryptography in your browser.
Geolocate any IPv4 / IPv6 address — country, city, ASN, ISP, timezone. Auto-detects your IP if empty.
A, AAAA, CNAME, MX, TXT, NS, SOA, CAA, SRV, PTR records. Cloudflare DNS-over-HTTPS, no logs.
Learn how to extract email addresses from text documents, web pages, and files using pattern matching and dedicated tools. Covers regex, validation, and use cases.
Learn how IP address lookup works, what information it reveals about location and ISP, and how to use it for security auditing, troubleshooting, and fraud prevention.
Learn how to use WHOIS to find domain ownership, registration dates, and nameserver information. Understand WHOIS privacy, GDPR impacts, and practical use cases.
Understand privacy policy requirements for GDPR, CCPA, LGPD, and other regulations. What to include, when you need one, and how to create a compliant policy.
Learn how to create strong, secure passwords that protect your accounts. Covers password length, complexity, managers, two-factor authentication, and common mistakes.
A developer-friendly explanation of JSON Web Tokens (JWT). Covers structure, claims, signing algorithms, security best practices, and common use cases.
Images, PDFs, video, audio, text, code, calculators, SEO, and more. All free, all in your browser.
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