diff --git a/lib/default.nix b/lib/default.nix
index 42a97bc..18c61d7 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -63,6 +63,39 @@ rec {
       else self.func app;
   };
 
+  toBase64 = text:
+    let
+      inherit (lib) sublist mod stringToCharacters concatMapStrings;
+      inherit (lib.strings) charToInt;
+      inherit (builtins) substring foldl' genList elemAt length concatStringsSep stringLength;
+      lookup = stringToCharacters "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+      sliceN = size: list: n: sublist (n * size) size list;
+      pows = [ (64 * 64 * 64) (64 * 64) 64 1 ];
+      intSextets = i: map (j: mod (i / j) 64) pows;
+      compose = f: g: x: f (g x);
+      intToChar = elemAt lookup;
+      convertTripletInt = sliceInt: concatMapStrings intToChar (intSextets sliceInt);
+      sliceToInt = foldl' (acc: val: acc * 256 + val) 0;
+      convertTriplet = compose convertTripletInt sliceToInt;
+      join = concatStringsSep "";
+      convertLastSlice = slice:
+        let
+          len = length slice;
+        in
+        if len == 1
+        then (substring 0 2 (convertTripletInt ((sliceToInt slice) * 256 * 256))) + "=="
+        else if len == 2
+        then (substring 0 3 (convertTripletInt ((sliceToInt slice) * 256))) + "="
+        else "";
+      len = stringLength text;
+      nFullSlices = len / 3;
+      bytes = map charToInt (stringToCharacters text);
+      tripletAt = sliceN 3 bytes;
+      head = genList (compose convertTriplet tripletAt) nFullSlices;
+      tail = convertLastSlice (tripletAt nFullSlices);
+    in
+    join (head ++ [ tail ]);
+
   disko = import ./disko.nix { inherit lib; };
   filesystems = import ./filesystems.nix { inherit lib self; };
 } // (