Security & Privacy
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Free tools that run in your browser. Nothing you type, open or create is uploaded to NerdBible or anyone else.
Security & Privacy
- Encrypt & Decrypt Text or FilesLock text or a file with a password using AES encryption, and unlock it again.
- Private Note LinkWrite a note, get a link that holds it encrypted. Nothing is stored anywhere.
- Email Header AnalyserPaste an email's headers to see where it really came from and whether it passed SPF, DKIM and DMARC.
- Password GeneratorStrong random passwords, passphrases and custom random strings, made on your device.
- Password Strength CheckerHow long a password would take to crack, checked without sending it anywhere.
- Has My Password Leaked?Checks a password against known breaches without ever sending it.
- What's My IP & BrowserYour IP address, location and what your browser tells every site you visit.
- WebRTC Leak TestChecks whether your browser exposes your real IP behind a VPN.
- Photo Metadata Viewer & RemoverSee every metadata entry, and strip location or all camera data from a photo before you share it.
- Link CleanerRemoves tracking codes from links before you share them.
- Hash Generator & File ChecksumSHA and MD5 hashes of text or files, HMAC signatures, and checking a download against its published checksum.
- Bcrypt Generator & VerifierHash a password with bcrypt or check one against a hash.
- 2FA Code GeneratorTime-based one-time codes from a setup key.
- RSA Key Pair GeneratorPublic and private keys, generated in your browser.