Link Lock

Secret Link
Hint (Optional)
Password
Confirm Password
Random Initialization Vector
Random Salt
Encrypted Link

Please enter the password to unlock the link.

Hint: {{ options.hint }}

Password
Original Link

Link Lock is an online encrypting and decrypting tool for adding a password to a link or a web page; in other words, for encrypting and decrypting URLs. When a user visits an encrypted URL, they will be prompted to enter a password. If the password is correct, Link Lock redirects them to the hidden website. Otherwise, an error message is displayed. Users can also add hints to help them remember the password.

Each encrypted URL is stored entirely within the link generated by this tool. As a result, users have control over all the data they create with Link Lock. No information is ever stored on a server, and there are no cookies, tracking, or signups.

Link Lock has many uses, for example:

  • Adding a password to shared links
  • Encrypting entire pages (via URL Pages)
  • Serving as a simple CAPTCHA
  • Storing private bookmarks on a shared computer
  • Posting private links on public websites
  • Sharing password-protected torrents and magnet links

Warm Tip:

Once someone decrypts a link, they can share the original URL as much as they want. Only share encrypted links with trusted people.
If you lose the password, it is almost impossible to recover the original link. The strong security guaranteed by encryption can be a blessing or a curse, so be careful!


Libraries in Use:
https://github.com/jstrieb/link-lock

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Columnar Transposition Cipher is a fairly simple, easy to implement cipher. It is a transposition cipher that follows a simple rule for mixing up the characters in the plaintext to form the ciphertext.

Columnar Transposition Cipher

Columnar Transposition Cipher is a fairly simple, easy to implement cipher. It is a transposition cipher that follows a simple rule for mixing up the characters in the plaintext to form the ciphertext.
Porta Cipher is a polyalphabetic substitution cipher invented by Giovanni Battista della Porta. Where the Vigenere cipher is a polyalphabetic cipher with 26 alphabets, the Porta is basically the same except it only uses 13 alphabets. The 13 cipher alphabets it uses are reciprocal, so enciphering is the same as deciphering.

Porta Cipher

Porta Cipher is a polyalphabetic substitution cipher invented by Giovanni Battista della Porta. Where the Vigenere cipher is a polyalphabetic cipher with 26 alphabets, the Porta is basically the same except it only uses 13 alphabets. The 13 cipher alphabets it uses are reciprocal, so enciphering is the same as deciphering.
ROT13 Cipher is a simple letter substitution cipher with a specific key where the letters of the alphabet are offset 13 places.

ROT13 Cipher

ROT13 Cipher is a simple letter substitution cipher with a specific key where the letters of the alphabet are offset 13 places.
Simple Substitution Cipher is a cipher that has been in use for many hundreds of years. It basically consists of substituting every plaintext character for a different ciphertext character.

Simple Substitution Cipher

Simple Substitution Cipher is a cipher that has been in use for many hundreds of years. It basically consists of substituting every plaintext character for a different ciphertext character.