Security Tools
Free online security utilities. Generate passwords, hash strings, decode JWTs, encrypt text, and generate UUIDs — all processed locally in your browser.
15 tools
QR Code Generator
Generate QR codes for URLs, text, email, phone, SMS, or Wi-Fi. Customize size, colors, and error correction. Download as PNG or SVG, free and private.
Password Generator
Generate strong, secure random passwords instantly. Customize length, include uppercase, lowercase, numbers, and symbols. Free password generator — no signup.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes of any text instantly. Free online hash generator — no signup, no uploads.
JWT Decoder
Decode and inspect JWT (JSON Web Token) header and payload instantly. View expiry, claims, and token structure. Free, private, browser-based.
Text Encrypt/Decrypt
Encrypt and decrypt text using AES-256-GCM directly in your browser. Passphrase-protected, private, and free. No server uploads.
Password Strength Checker
Check how strong your password is instantly. See entropy, estimated crack time, and a detailed checklist. Free and private — nothing sent to any server.
HMAC Generator
Generate HMAC signatures using SHA-1, SHA-256, or SHA-512. Output in hex and Base64. Free, private, browser-based HMAC tool.
UUID Generator
Generate UUID v4 identifiers instantly. Generate up to 100 UUIDs at once, copy individually or all at once. Free, private, browser-based.
Base64 File Converter
Convert any file to Base64 or decode Base64 back to a file. Drag & drop supported. Free, private, browser-based file to Base64 converter.
Barcode Generator
Create barcodes online free. Supports Code 128, EAN-13, UPC-A, Code 39, ITF-14 and more. Download as SVG or PNG. No signup, runs in your browser.
QR Code Scanner
Scan QR codes using your camera or by uploading an image. Reads URLs, Wi-Fi, email, and phone codes. Free, private, runs in your browser.
Bcrypt Generator & Verifier
Generate bcrypt password hashes with an adjustable cost factor, or verify a password against an existing hash. Runs entirely in your browser.
TOTP Generator
Generate and verify TOTP two-factor authentication codes from a base32 secret. Supports SHA-1, SHA-256, SHA-512, 6 or 8 digits. Runs entirely in your browser.
File Checksum Verifier
Calculate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 checksums of any file and compare against an expected hash. Runs in your browser, no upload.
Key Pair Generator
Generate RSA or elliptic curve key pairs in PEM and JWK format using your browser’s WebCrypto. 2048 to 4096-bit RSA, P-256 to P-521 curves. Nothing uploaded.