Free privacy tools
A collection of free privacy tools that run in your browser, so nothing you type or upload gets sent to a server. Generate passwords and keys, encrypt text, hash and encode data, and draft the policies your site needs. Each one is free and ready to use.
Secure password generatorGenerate a strong random password, passphrase, or PIN in your browser with the Web Crypto API. Encryption key generatorGenerate AES-128, AES-192, and AES-256 keys or random secrets in your browser with the Web Crypto API. Encryption and decryption toolEncrypt or decrypt any text with AES-256-GCM in your browser. Your message and passphrase stay on your device. PGP encryption toolEncrypt, decrypt, and generate PGP keys in your browser. Your private key never leaves your device. Hash generatorGenerate MD5, SHA-256, SHA-512, HMAC, and bcrypt hashes in your browser. Nothing you type is sent anywhere. Password strength checkerSee a password's real strength, its entropy in bits, and how long it survives each kind of attack. Email bounce checkerPerform email bounce check for a given list of emails and reduce your bounce rate. Image compressionPerform image compression to drastically reduce image size whilst maintaining image quality. Secure QR Code generatorGenerate a QR code entirely in your browser. Nothing you encode is uploaded or tracked. UUID generatorGenerate UUID v4, v7, v1, or a GUID in your browser. Nothing you generate is sent to a server. JWT decoderDecode a JSON Web Token and verify its signature in your browser. The token and key stay on your device. TOTP generatorGenerate a live 6-digit 2FA code from a base32 secret, or create a secret and scan it into your authenticator app. CSP generator and checkerBuild a Content-Security-Policy header, then check an existing one for unsafe-inline, wildcards, and missing directives. Base64 encoder and decoderEncode text to Base64 and decode Base64 back to text or a file, with URL-safe alphabet and MIME wrapping. URL encoder and decoderPercent-encode and decode URLs in your browser, and split any URL into its decoded query parameters. Hex converterConvert between text, hex, binary, decimal, ASCII codes, and Base64 in any direction, with a live byte table. PII redactorRedact emails, phone numbers, credit cards, SSNs, IBANs, IPs, and API keys from text, scanned on your device. Privacy policy generatorAnswer a short form and get a GDPR and CCPA privacy policy, downloadable as HTML, Word, or PDF. Terms and conditions generatorDraft terms for a website, app, store, or SaaS and download them as HTML, Word, or PDF. Cookie policy generatorBuild a cookie policy with a real cookie table: name, provider, purpose, type, and duration. Disclaimer and EULA generatorPick the clauses you need, from affiliate disclosure to warranty and liability, and export the document. Url shortener (Coming Soon)Shorten long URLs into compact, shareable links. Find color palette (Coming Soon)For individuals and teams to create and download designs for any occasion.
Want to create secure online forms and surveys?
BlockSurvey is end-to-end encrypted, so the answers people give you are as private as the values these tools generate on your own machine.