Playground

How it work

Word by word:

.
supported characters = 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
#-- shift sequences base on password ----
password      = Go4
base64(pass)  = R280

                    0         1         2         3
                    01234567890123456789012345678901234567890123456789012345678901
supported_chars   = 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
                    x x     x                  x
Caesar shifts seq = R280 ==> [27, 2, 8, 0]

#-- caesar with shift sequences
plaintext     = lorem ipsum dol
base64(words) = bG9yZW0= aXBzdW0= ZG9s

#-- Encode the word "lorem":
                      0         1         2         3         4         5         6
supported_chars idx:  01234567890123456789012345678901234567890123456789012345678901
supported_chars     = 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
base64(word)        = b  G 9 y Z  W 0 =
Caesar shifts seq   = 27 2 8 0 27 2 8 0
caesar(word)        = 2  I H y 0  Y 8 =
result = encrypted  = 2IHy0Y8=

same for word: ipsum
result = 1ZJz4Y8=
same for word: dol
result = 0IHs

final result = 2IHy0Y8= 1ZJz4Y8= 0IHs
        

Whole string:

---
supported characters = 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
#-- shift sequences base on password ----
password      = Go4
base64(pass)  = R280

                    0         1         2         3
                    01234567890123456789012345678901234567890123456789012345678901
supported_chars   = 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
                    x x     x                  x
Caesar shifts seq  = R280 ==> [27, 2, 8, 0]

#-- caesar with shift sequences, encode entire string
plaintext     = lorem ipsum dolor 
base64(text)  = bG9yZW0gaXBzdW0gZG9sb3I=

                      0         1         2         3         4         5         6
supported_chars idx:  01234567890123456789012345678901234567890123456789012345678901
supported_chars     = 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
base64(text)        = b  G 9 y Z  W 0 g a  X B z d  W 0 g Z  G 9 s b  3 I =
Caesar shifts seq   = 27 2 8 0 27 2 8 0 27 2 8 0 27 2 8 0 27 2 8 0 27 2 8 0
caesar(string)      = 2  I H y 0  Y 8 g 1  Z J z 4  Y 8 g 0  I H s 2  5 Q =
result = encrypted  = 2IHy0Y8g1ZJz4Y8g0IHs25Q=
        

Common rules:
- Caesar only shift the character inside supported_chars
- non-supported_chars will be ignored, have shift=0

Why using this:

- It's simple and can be encoded/decoded with your pen and paper, so you don't need to remember the web page / online tool you used to encode/decode
- Large entropy because of using your password, no one can decode it except you

NOTE1: "Word by word" encryption can be decrypted by AI bruteforce or smart people.
NOTE2: If you need more secure encryption, plz use another method or software.