8 Free RC4 Decrypt Online Websites

Here is a list of the best free RC4 decrypt online websites. RC4 is also known as Rivest Cipher 4. It is a stream cipher. This method uses the variable-length key algorithm and encrypts one byte at a time. It generates a pseudorandom stream of bits and combines them with the plain text using bitwise exclusive. RC4 encrypt is most popular among the stream ciphers.

This post covers 8 free websites where you can decrypt RC4 encrypted strings. All these websites are simple to use with no need for an account. You can simply visit any of the websites, add the encrypted string and get it decrypted in seconds. Most of these websites can encrypt as well as decrypt RC4 encryption. So you have to figure out where to add the encrypted string to decrypt it. I covered each website with the process of decryption and highlights. You can go through the post to check them out in detail.

My Favorite RC4 Decrypt Online

Online-Domain-Tools is my favorite website to decrypt RC4 encryption online. The RC4 cipher tool here works with text as well as files. You can upload an encrypted data file and decrypt it. Similarly, you can export the output to a file as well. Apart from that, it also provides run-link and permalink to share the process and result respectively.

You can also check our other lists of the best free RSA Encryption Online Websites. AES Encryption Online Websites, and Blowfish Encryption Online Services.

Online-Domain-Tools.com

Online-Domain-Tools is a free website to decrypt RC4 online. It has a set of ciphers supported in a single tool. You can configure it for RC4 encryption and decryption. This tool supports plaintext and hex. You can select your input type and then paste your input string. Alternatively, you can also upload a file with the encrypted string. Then you have to provide the decryption key to decode the string. This tool generates a run link and a permalink to your task. The run link takes you to the same tool with your data added. From there you can run the same decryption. Whereas, the permalink shows the result of the task.

How to decrypt RC4 online on Online-Domain-Tools?

Go to this RC4 decryption tool using the link given below.
Set the input type to Text and paste your plain text into the input box. Or pick the File option if you want to upload a file with RC4 encrypted text.
Make sure the Function is set to RC4.
Then enter your decryption key and click the Decrypt! button.

Highlights:

This tool can encrypt and decrypt RC4 encryption.
File upload input option to fetch data from a file.
Option to choose between plaintext or hex for input and key.
Export output string to a binary (dat) file.
Provides Run-link and permalink to the decryption tool.

Home Page

Lddgo.net

Lddgo offers a free RC4 encryption and decryption tool. You can use this tool to decrypt RC4 strings. To do that, you have to make sure that the In-Format and Out-Format are set as per your task. This is a crucial step for RC4 decryption. Similarly, you have to select the correct character set for the password as well. With that set, you can drop your encrypted string, add the password and decrypt the string to plain text.

How to decrypt RC4 online on Lddgo?

Open this RC4 decryption tool using the link given below.
Paste your RC4 encrypted string into the box.
Make sure In-Format and Out-Format are set as per your data.
Then add the decryption password and the RC4 Decrypt button.

Highlights:

This tool can encrypt and decrypt RC4 encryption.
Option to choose between plaintext, hex, and base64 for input and output.
Copy the output to the clipboard in one click.

Home Page

Xhcode.com

Xhcode offers simple RC4 encryption and decryption tool. This tool has an input box where you have to enter your encrypted string. Below that, you get another text box for the password. Then you get the buttons for encryption, decryption, clear, and copy. You can simply add the encrypted string to this tool and then decrypt it by providing the correct password.

How to decrypt RC4 online on Xhcode?

Go to this RC4 decryption tool by following the link given below.
Paste your encrypted string in the input box at the top.
Then enter the correct password for decryption.
Click the RC4 decryption button to decrypt the input.

Highlights:

This tool can encrypt and decrypt RC4 encryption.
Copy the output to the clipboard in one click.

Home Page

Dcode.fr

Dcode.fr offers a free online RC4 Cipher tool that you can use to encrypt and decrypt RC4 encryption. It is a simple tool where you can add a string and decrypt it with the correct password. This tool has several character options to show the results. You have to carefully pick the correct format for the decryption. You can also set it to get the output in a TXT file instead. This tool shows the results on the left side panel. From there, you can copy the output to the clipboard.

How to decrypt RC4 online on Dcode.fr?

Open this RC4 Cipher tool using the link given below.
Then add the RC4 encrypted string to the box.
Enter the secret decryption key in the respective section.
Pick the character format and click the Encode/Decode button.
This gets you the output on the left side.

Highlights:

This tool can encrypt and decrypt RC4 encryption.
Offers multiple character format for the output.
Option to export the output to a text file.
Option to configure drop bytes.

Home Page

Cryptii.com

Cryptii is a free website with modular conversion, encoding, and encryption tools. It supports RC4 encryption and decryption. The tool has an input section on the left and an output section on the right. In the middle, you can pick the encryption type and set it to encode or decode mode. If the encrypted string uses a drop then you can configure that here. With that, you can simply add the encrypted text to get the plain text output.

How to decrypt RC4 online on Cryptii?

Go to the Cryptii encoder/decoder tool using the link given below.
Then pick RC4 encryption and set it to DECODE mode.
Enter the decryption key and specify drop bytes if needed.
Then add the RC4 encrypted string to the box on the left.
It instantly decrypts it to plain text.

Highlights:

This tool can encrypt and decrypt RC4 encryption.
Option to configure drop bytes.

Home Page

Encode-Decode.com

Encode-Decode is another free website to decrypt RC4 strings online. It has an encryption/decryption tool that supports various encryptions. It has two boxes. The box on the left side is for plain text and the box on the right side is for encoded text. So in this case where we have to decrypt RC4. You have to paste the encrypted text into the box on the right. When you decrypt, it shows the respective plain text in the box on the left side.

How to decrypt RC4 online on Encode-Decode?

Follow the link given below to open this RC4 encryption and decryption tool.
Paste the string that you want to decryption into the box on the right side.
Then enter the decryption password.
After that, click the Decrypt String button from the bottom right to get the plain text.

Highlights:

This tool can encrypt and decrypt RC4 encryption.
It does not offer any other additional feature or option.

Home Page

EPETool.com

EPETool has a free RC4 encryption and decryption tool that you can use online. The tool is simple and straightforward to use. It has one box for input. Whether you have to encrypt or decrypt, you have to add your input into that box. After that, there is a small text box for the password left to the encryption and decryption buttons. You can simply add your input and password to decrypt the text.

How to decrypt RC4 online on EPETool?

Use the link given below to open this RC4 encryption and decryption tool.
Add the RC4 encrypted string into the box and enter the correct password in the “key” section.
Then click the decrypt button to decrypt the text.

Highlights:

This tool can encrypt and decrypt RC4 encryption.
Copy the output to the clipboard in one click.

Home Page

Browserling.com

Browserling is yet another free website to decrypt RC4 encryption. It has a simple RC4 decryptor where you can just paste your text, enter the password, and get the decrypted message. It has a single text box for input and output. When you decrypt a string, it replaces the encrypted string with the decrypted plain text in the box. From there, you can copy it to the clipboard.