diff --git a/.Main.hs.swp b/.Main.hs.swp
deleted file mode 100644
index 21d2f52..0000000
Binary files a/.Main.hs.swp and /dev/null differ
diff --git a/Main.hs b/app/Main.hs
similarity index 66%
rename from Main.hs
rename to app/Main.hs
index 9d552c9..8dfcf06 100644
--- a/Main.hs
+++ b/app/Main.hs
@@ -49,6 +49,12 @@ import qualified Data.ByteString.Char8 as C
 import Text.Regex.TDFA
 import Data.Word (Word8)
 import Data.Char (ord, chr, intToDigit, digitToInt)
+import Encoding.Base2  (enc2, dec2)
+import Encoding.Base8  (enc8, dec8)
+import Encoding.Base10 (enc10, dec10)
+import Encoding.Base16 (enc16, dec16)
+import Encoding.Base64 (enc64, dec64, enc64url, dec64url)
+import Encoding.Base91 (enc91, dec91)
 
 data Based = Decode { 
               b91 :: Bool,
@@ -103,22 +109,6 @@ data Based = Decode {
 --       decoded | C.null decoded -> Left "Failed to decode from base91"
 --               | otherwise -> Right decoded
 
-
-encodeToBase64 :: C.ByteString -> Either String C.ByteString
-encodeToBase64 bs =
-   case B64.encode bs of
-     encoded | C.null encoded -> Left "Failed to encode Base64.\n"
-             | otherwise -> Right encoded
-
-decodeFromBase64 :: C.ByteString -> Either String C.ByteString
-decodeFromBase64 bs =
-   case B64L.decodeLenient bs of 
-     decoded | C.null decoded -> Left "Failed to decode from Base64.\n"
-             | otherwise -> Right decoded
-             -- | otherwise -> Right (BSU.toString decoded)
-     -- Left err -> Left $ "Failed to decode from base64: " ++ err
-     -- Right decoded -> Right decoded
-
 binToInt :: [Int] -> Int
 binToInt [] = 0
 binToInt (x : xs) = x + 2 * binToInt xs
@@ -130,33 +120,6 @@ octToInt (x : xs) = x + 8 * octToInt xs
 -- base functions
 -- without the show func, sequences like \n will not be shown as characters but will be executed as newline
 
-dec91 :: String -> String
-dec91 = T.unpack . T.decodeUtf8 . B91.decode
-
--- dec91 input =
---    maybe "Error decoding Base91.\n" T.unpack (T.decodeUtf8 (B91.decode input) 
-
--- dec91 :: String -> String
--- dec91 input =
---   case B91.decode input :: BSU.ByteString of
---     decoded -> C.unpack decoded
-
--- toWord8 :: String -> [Word8]
--- toWord8 = map (fromIntegral . fromEnum)
-
--- dec91 :: String -> String
--- dec91 input = 
---    map (chr . fromIntegral) (B91.decode input :: [Word8])
-
--- or
-    -- case B91.decode input :: [Word8] of
-        -- Right decoded -> map (toEnum . fromIntegral) decoded
-        -- Left err -> "Error decoding Base91: " ++ err
-    
-
-enc91 :: String -> String
-enc91 = B91.encode . BSU.fromString
-
 -- dec85 = C.unpack . U.fromRight . B85.decode . BSU.fromString
 dec85 :: String -> String
 dec85 input =
@@ -167,29 +130,6 @@ dec85 input =
 enc85 :: String -> String
 enc85 = C.unpack . B85.encode . BSU.fromString
 
--- dec64 = C.unpack . B64L.decodeLenient . BSU.fromString
-dec64 :: String -> String
-dec64 input =
-   case decodeFromBase64 (BSU.fromString input) of
-     Right  byteString -> C.unpack byteString
-     Left errMsg -> "Error: " ++ errMsg
-
--- enc64 = C.unpack . B64.encode . BSU.fromString
-enc64 :: String -> String
-enc64 input =
-   case encodeToBase64 (BSU.fromString input) of
-     Right byteString -> C.unpack byteString
-     Left errMsg -> "Error: " ++ errMsg
-
-dec64url :: String -> String
--- dec64url = C.unpack . U.fromRight . B64U.decode . BSU.fromString
-dec64url input =
-   case B64.decode (BSU.fromString input)  of
-     Right decoded -> C.unpack decoded
-     Left _ -> "Error decoding Base64 for URLs.\n"
-
-enc64url :: String -> String
-enc64url = C.unpack . B64U.encode . BSU.fromString
 
 decurl :: String -> String
 decurl = HB.urlDecode 
@@ -252,145 +192,6 @@ dec32 input =
 enc32 :: String -> String
 enc32 = C.unpack . B32.encode . BSU.fromString
 
-dec16 :: String -> String
--- dec16 = C.unpack . U.fromRight . B16.decode . BSU.fromString
-dec16 input =
-   case B16.decode (BSU.fromString input) of
-     Right decoded -> C.unpack decoded
-     Left _ -> "Error decoding Base16.\n"
-
-enc16 :: String -> String
-enc16 = C.unpack . B16.encode . BSU.fromString
-
-dec10 :: String -> String
-dec10 = show . hexStringToInt 
-
-enc10 :: String -> String
--- enc10 = C.unpack . BSU.fromString . intToHexString . decimalStringToInt -- Depending on what you want,  do enc10 = show . map ord
-enc10 str = C.unpack $ C.pack $ Prelude.foldl (\acc char -> acc ++ show (ord char)) "" str
-
--- decode octal
--- octalToChar :: String -> Char
--- octalToChar str = chr $ Prelude.foldl (\acc c -> acc * 8 + read [c]) 0 str
-
--- Function to decode a single octal value to its corresponding character
-octalToChar :: String -> Char
-octalToChar octal = chr (read ("0o" ++ octal))  -- Assumes input is in base 8 (octal)
-
--- Function to split a string into chunks of three characters each
-chunksOf3 :: String -> [String]
-chunksOf3 [] = []
-chunksOf3 str = Prelude.take 3 str : chunksOf3 (Prelude.drop 3 str)
-
-
--- decodeOctal :: String -> String
--- decodeOctal = map (octalToChar . padOctal) . words
-  -- where
-  --   -- Function to pad an octal number string with leading '0's if needed
-  --   padOctal str
-  --     | Prelude.length str == 1 && str /= "0" = "00" ++ str
-  --     | Prelude.length str == 2 && str /= "0" = "0" ++ str
-  --     | otherwise = str
-
--- Function to decode a string of octal numbers to characters
-dec8 :: String -> String
-dec8 =  map octalToChar . words
-
--- dec8 :: String -> String
--- dec8  = C.unpack . encodeUtf8 . toText . showbOct . hexStringToInt
-
--- newtype Octal = Octal Int
--- octalToString :: Octal -> String
--- octalToString (Octal n) = show n
-
--- dec8 =  map (chr . octalToDecimal) . chunksOf 3
---    where
---       octalToDecimal :: Octal -> Int
---       octalToDecimal (Octal n) = Prelude.foldl (\acc c -> acc * 8 + digitToInt c) O (show n)
-
---       chunksOf :: Int -> [a] -> [[a]]
---       chunksOf _ [] = []
---       chunksOf n xs = Prelude.take n xs : chunksOf n (Prelude.drop n xs)
-
--- enc8 :: String -> String
--- enc8  = C.unpack . BSU.fromString . intToHexString . octToInt . (reverse . (map fromJust . (map fromOctDigit)))
---
-
-
--- unicodeToOctal :: Char -> String
--- unicodeToOctal c
---     | ord c >= 0 && ord c <= 7 = ['0', intToDigit (ord c)]
---     | otherwise                = padTo3Bits $ decimalToOctal' (ord c)
---    where
---       decimalToOctal' 0 = ""
---       decimalToOctal' m = let (q, r) = m `divMod` 8 in intToDigit r : decimalToOctal' q
-
---       padTo3Bits :: String -> String
---       padTo3Bits bits
---         | Prelude.length bits < 3 = replicate (3 - Prelude.length bits) '0' ++ bits
---         | otherwise       = bits
-
--- enc8 :: String -> String
--- enc8 = unwords . map (concatMap unicodeToOctal . (:[]))
-
-chunksOf :: Int -> [a] -> [[a]]
-chunksOf _ [] = []
-chunksOf n xs = Prelude.take n xs : chunksOf n (Prelude.drop n xs)
-
-
-unicodeToOctal :: Char -> [String]
-unicodeToOctal c = chunksOf 3 $ reverse $ decimalToOctal' (ord c)
-  where
-    decimalToOctal' 0 = "0"
-    decimalToOctal' m = let (q, r) = m `divMod` 8 in intToDigit r : if q == 0 then "" else decimalToOctal' q
-
-enc8 :: String -> String
-enc8 = unwords . concatMap unicodeToOctal
-
--- unicodeToOctal :: Char -> String
--- unicodeToOctal c = reverse $ padTo3Bits $ decimalToOctal' (ord c)
---    where
---       decimalToOctal' 0 = "0"
---       decimalToOctal' m = let (q, r) = m `divMod` 8 in intToDigit r : decimalToOctal' q
-
---       padTo3Bits :: String -> String
---       padTo3Bits bits = replicate (3 - Prelude.length bits) '0' ++ bits
-
--- enc8 :: String -> String
--- enc8 = concatMap unicodeToOctal
-
--- dec2 :: String -> String
--- dec2  = C.unpack . encodeUtf8 . toText . showbBin . hexStringToInt
--- dec2  = TL.unpack . toLazyText . showbBin . hexStringToInt . enc16
--- dec2  = TL.unpack . toLazyText . showbBin . hexStringToInt
---
-binaryToChar :: String -> Char
-binaryToChar binStr = chr $ binaryToInt binStr
-
-binaryToInt :: String -> Int
-binaryToInt binStr = Prelude.foldl (\acc x -> acc * 2 + digitToInt x) 0 binStr
-
-dec2 :: String -> String
-dec2 input = map binaryToChar $ words input
-
-
--- enc2  = C.unpack . BSU.fromString . intToHexString . binToInt . (reverse . (map fromJust . (map fromBinDigit)))
--- enc2 input = C.unpack $ C.pack $ show $ Prelude.foldl (\acc char -> (acc `shiftL` 8) .|. fromIntegral (ord char)) BSU.fromString
-charToBinary :: Char -> String
-charToBinary char = let binaryStr = intToBinary $ ord char
-                    in replicate (7 - Prelude.length binaryStr) '0' ++ binaryStr
-
-intToBinary :: Int -> String
-intToBinary n = reverse $ decimalToBinary' n
-  where
-    decimalToBinary' 0 = "0"
-    decimalToBinary' m = let (q, r) = m `divMod` 2 in intToDigit r : decimalToBinary' q
-
--- enc2 :: String -> String
-enc2 :: String -> String
-enc2 input = unwords $ map charToBinary input
-
-
 decqp :: String -> String
 -- decqp = C.unpack . U.fromRight . QP.decode . BSU.fromString
 decqp input =
diff --git a/based.cabal b/based.cabal
index a9ec947..d99cdea 100644
--- a/based.cabal
+++ b/based.cabal
@@ -6,24 +6,39 @@ extra-source-files:  CHANGELOG.md
 author: Stefan Friese
 
 library
+  hs-source-dirs: src
   exposed-modules:
-    MyLib
+    Encoding.Base2
+    Encoding.Base8
+    Encoding.Base10
+    Encoding.Base16
+    Encoding.Base64
+    Encoding.Base91
   other-modules:
     -- Data.Bytes.Text.Ascii
   build-depends:
     -- base ^>= 4.13.0.0,
     base,
     -- byteslice == 0.2.6.0,
+    sandi,
+    base91,
+    utf8-string,
     byteslice,
+    bytestring,
+    hxt,
+    text,
+    base64-bytestring
   -- hs-source-dirs:
   default-language:    Haskell2010
 
 executable based
+  hs-source-dirs: app
   main-is:             Main.hs
-  other-modules:       MyLib
+  -- other-modules:       MyLib
   build-depends:
     -- base ^>= 4.13.0.0,
     base,
+    based,
     cmdargs,
     sandi,
     base62,
diff --git a/src/Encoding/Base10.hs b/src/Encoding/Base10.hs
new file mode 100644
index 0000000..705b525
--- /dev/null
+++ b/src/Encoding/Base10.hs
@@ -0,0 +1,14 @@
+module Encoding.Base10
+  ( enc10
+  , dec10
+  ) where
+
+import qualified Data.ByteString.Char8 as C
+import Data.Char (ord, chr, digitToInt, intToDigit)
+import Text.XML.HXT.DOM.Util (hexStringToInt)
+
+dec10 :: String -> String
+dec10 = show . hexStringToInt 
+
+enc10 :: String -> String
+enc10 str = C.unpack $ C.pack $ Prelude.foldl (\acc char -> acc ++ show (ord char)) "" str
diff --git a/src/Encoding/Base16.hs b/src/Encoding/Base16.hs
new file mode 100644
index 0000000..29935e9
--- /dev/null
+++ b/src/Encoding/Base16.hs
@@ -0,0 +1,17 @@
+module Encoding.Base16
+  ( enc16
+  , dec16
+  ) where
+
+import qualified Data.ByteString.Char8 as C
+import Data.ByteString.UTF8 as BSU
+import qualified Codec.Binary.Base16 as B16
+
+dec16 :: String -> String
+dec16 input =
+   case B16.decode (BSU.fromString input) of
+     Right decoded -> C.unpack decoded
+     Left _ -> "Error decoding Base16.\n"
+
+enc16 :: String -> String
+enc16 = C.unpack . B16.encode . BSU.fromString
diff --git a/src/Encoding/Base2.hs b/src/Encoding/Base2.hs
new file mode 100644
index 0000000..bb6842c
--- /dev/null
+++ b/src/Encoding/Base2.hs
@@ -0,0 +1,30 @@
+module Encoding.Base2
+  ( enc2
+  , dec2
+  ) where
+
+import Data.Char (ord, chr, digitToInt, intToDigit)
+
+binaryToChar :: String -> Char
+binaryToChar binStr = chr $ binaryToInt binStr
+
+binaryToInt :: String -> Int
+binaryToInt binStr = Prelude.foldl (\acc x -> acc * 2 + digitToInt x) 0 binStr
+
+dec2 :: String -> String
+dec2 input = map binaryToChar $ words input
+
+
+charToBinary :: Char -> String
+charToBinary char = let binaryStr = intToBinary $ ord char
+                    in replicate (7 - Prelude.length binaryStr) '0' ++ binaryStr
+
+intToBinary :: Int -> String
+intToBinary n = reverse $ decimalToBinary' n
+  where
+    decimalToBinary' 0 = "0"
+    decimalToBinary' m = let (q, r) = m `divMod` 2 in intToDigit r : decimalToBinary' q
+
+enc2 :: String -> String
+enc2 input = unwords $ map charToBinary input
+
diff --git a/src/Encoding/Base64.hs b/src/Encoding/Base64.hs
new file mode 100644
index 0000000..1378cd9
--- /dev/null
+++ b/src/Encoding/Base64.hs
@@ -0,0 +1,49 @@
+module Encoding.Base64
+  ( enc64
+  , dec64
+  , enc64url
+  , dec64url
+  ) where
+
+
+import Data.ByteString.UTF8 as BSU      -- from utf8-string
+import qualified Data.ByteString.Char8 as C
+import qualified Codec.Binary.Base64 as B64
+import qualified Data.ByteString.Base64 as B64L
+import qualified Codec.Binary.Base64Url as B64U
+
+encodeToBase64 :: C.ByteString -> Either String C.ByteString
+encodeToBase64 bs =
+   case B64.encode bs of
+     encoded | C.null encoded -> Left "Failed to encode Base64.\n"
+             | otherwise -> Right encoded
+
+decodeFromBase64 :: C.ByteString -> Either String C.ByteString
+decodeFromBase64 bs =
+   case B64L.decodeLenient bs of 
+     decoded | C.null decoded -> Left "Failed to decode from Base64.\n"
+             | otherwise -> Right decoded
+             -- | otherwise -> Right (BSU.toString decoded)
+     -- Left err -> Left $ "Failed to decode from base64: " ++ err
+     -- Right decoded -> Right decoded
+
+dec64 :: String -> String
+dec64 input =
+   case decodeFromBase64 (BSU.fromString input) of
+     Right  byteString -> C.unpack byteString
+     Left errMsg -> "Error: " ++ errMsg
+
+enc64 :: String -> String
+enc64 input =
+   case encodeToBase64 (BSU.fromString input) of
+     Right byteString -> C.unpack byteString
+     Left errMsg -> "Error: " ++ errMsg
+
+dec64url :: String -> String
+dec64url input =
+   case B64.decode (BSU.fromString input)  of
+     Right decoded -> C.unpack decoded
+     Left _ -> "Error decoding Base64 for URLs.\n"
+
+enc64url :: String -> String
+enc64url = C.unpack . B64U.encode . BSU.fromString
diff --git a/src/Encoding/Base8.hs b/src/Encoding/Base8.hs
new file mode 100644
index 0000000..2964e9a
--- /dev/null
+++ b/src/Encoding/Base8.hs
@@ -0,0 +1,30 @@
+module Encoding.Base8
+  ( enc8
+  , dec8
+  ) where
+
+import Data.Char (ord, chr, intToDigit)
+
+octalToChar :: String -> Char
+octalToChar octal = chr (read ("0o" ++ octal))  -- Assumes input is in base 8 (octal)
+
+-- Function to split a string into chunks of three characters each
+chunksOf3 :: String -> [String]
+chunksOf3 [] = []
+chunksOf3 str = Prelude.take 3 str : chunksOf3 (Prelude.drop 3 str)
+
+dec8 :: String -> String
+dec8 =  map octalToChar . words
+
+chunksOf :: Int -> [a] -> [[a]]
+chunksOf _ [] = []
+chunksOf n xs = Prelude.take n xs : chunksOf n (Prelude.drop n xs)
+
+unicodeToOctal :: Char -> [String]
+unicodeToOctal c = chunksOf 3 $ reverse $ decimalToOctal' (ord c)
+  where
+    decimalToOctal' 0 = "0"
+    decimalToOctal' m = let (q, r) = m `divMod` 8 in intToDigit r : if q == 0 then "" else decimalToOctal' q
+
+enc8 :: String -> String
+enc8 = unwords . concatMap unicodeToOctal
diff --git a/src/Encoding/Base91.hs b/src/Encoding/Base91.hs
new file mode 100644
index 0000000..a9a1cfb
--- /dev/null
+++ b/src/Encoding/Base91.hs
@@ -0,0 +1,17 @@
+module Encoding.Base91
+  ( enc91
+  , dec91
+  ) where
+
+import qualified Data.ByteString.Char8 as C
+import Data.ByteString.UTF8 as BSU
+import qualified Codec.Binary.Base91 as B91
+import qualified Data.Text as T
+-- import qualified Data.Text.IO as T
+import qualified Data.Text.Encoding as T
+
+dec91 :: String -> String
+dec91 = T.unpack . T.decodeUtf8 . B91.decode
+
+enc91 :: String -> String
+enc91 = B91.encode . BSU.fromString