diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index a224d2e..2eb35c3 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -3,7 +3,7 @@ on:
   push:
     branches:
       - master
-    tags: '*'
+    tags: ['*']
   pull_request:
 concurrency:
   # Skip intermediate builds: always.
@@ -38,22 +38,3 @@ jobs:
       - uses: codecov/codecov-action@v2
         with:
           files: lcov.info
-  docs:
-    name: Documentation
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@v1
-        with:
-          version: '1'
-      - uses: julia-actions/julia-buildpkg@v1
-      - uses: julia-actions/julia-docdeploy@v1
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
-      - run: |
-          julia --project=docs -e '
-            using Documenter: DocMeta, doctest
-            using Nanoid
-            DocMeta.setdocmeta!(Nanoid, :DocTestSetup, :(using Nanoid); recursive=true)
-            doctest(Nanoid)'
diff --git a/.github/workflows/CompatHelper.yml b/.github/workflows/CompatHelper.yml
deleted file mode 100644
index cba9134..0000000
--- a/.github/workflows/CompatHelper.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-name: CompatHelper
-on:
-  schedule:
-    - cron: 0 0 * * *
-  workflow_dispatch:
-jobs:
-  CompatHelper:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Pkg.add("CompatHelper")
-        run: julia -e 'using Pkg; Pkg.add("CompatHelper")'
-      - name: CompatHelper.main()
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          COMPATHELPER_PRIV: ${{ secrets.DOCUMENTER_KEY }}
-        run: julia -e 'using CompatHelper; CompatHelper.main()'
diff --git a/Project.toml b/Project.toml
index e8cb816..b8a138a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -3,6 +3,9 @@ uuid = "649b5ee6-231f-4350-86a5-2b05c0e3780e"
 authors = ["Reinaldy Rafli <aldy505@tutanota.com> and contributors"]
 version = "0.1.0"
 
+[deps]
+Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+
 [compat]
 julia = "1.5"
 
diff --git a/README.md b/README.md
index 0f482ba..be34ed6 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,34 @@
 # Nanoid
 
-[![Stable](https://img.shields.io/badge/docs-stable-blue.svg)](https://Reinaldy Rafli.github.io/Nanoid.jl/stable)
-[![Dev](https://img.shields.io/badge/docs-dev-blue.svg)](https://Reinaldy Rafli.github.io/Nanoid.jl/dev)
-[![Build Status](https://github.com/Reinaldy Rafli/Nanoid.jl/actions/workflows/CI.yml/badge.svg?branch=master)](https://github.com/Reinaldy Rafli/Nanoid.jl/actions/workflows/CI.yml?query=branch%3Amaster)
-[![Coverage](https://codecov.io/gh/Reinaldy Rafli/Nanoid.jl/branch/master/graph/badge.svg)](https://codecov.io/gh/Reinaldy Rafli/Nanoid.jl)
+[![Build Status](https://github.com/aldy505/Nanoid.jl/actions/workflows/CI.yml/badge.svg?branch=master)](https://github.com/aldy505/Nanoid.jl/actions/workflows/CI.yml?query=branch%3Amaster)
+[![Coverage](https://codecov.io/gh/aldy505/Nanoid.jl/branch/master/graph/badge.svg)](https://codecov.io/gh/aldy505/Nanoid.jl)
+
+Simple and minimalist Julia implementation of [nanoid](https://github.com/ai/nanoid).
+
+## Install
+
+```julia
+Pkg.add("Nanoid")
+```
+
+## Usage
+
+```julia
+import Nanoid
+
+id = Nanoid.nanoid()
+# => "tcDIFxMJHw6UgUnbI_6za"
+
+id = Nanoid.nanoid(10)
+# => "OutzQWa1SB"
+
+id = Nanoid.nanoid(; alphabet = "ABCDEFGHIJ")
+# => "GEHCAGFJIAHCJGIHHIHFF"
+
+id = Nanoid.nanoid(10; alphabet = "abcdef")
+# => "abeafebaab"
+```
+
+## License
+
+[MIT](./LICENSE)
\ No newline at end of file
diff --git a/docs/Manifest.toml b/docs/Manifest.toml
deleted file mode 100644
index 4bf72a1..0000000
--- a/docs/Manifest.toml
+++ /dev/null
@@ -1,100 +0,0 @@
-# This file is machine-generated - editing it directly is not advised
-
-julia_version = "1.7.2"
-manifest_format = "2.0"
-
-[[deps.ANSIColoredPrinters]]
-git-tree-sha1 = "574baf8110975760d391c710b6341da1afa48d8c"
-uuid = "a4c015fc-c6ff-483c-b24f-f7ea428134e9"
-version = "0.0.1"
-
-[[deps.Base64]]
-uuid = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
-
-[[deps.Dates]]
-deps = ["Printf"]
-uuid = "ade2ca70-3891-5945-98fb-dc099432e06a"
-
-[[deps.DocStringExtensions]]
-deps = ["LibGit2"]
-git-tree-sha1 = "b19534d1895d702889b219c382a6e18010797f0b"
-uuid = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
-version = "0.8.6"
-
-[[deps.Documenter]]
-deps = ["ANSIColoredPrinters", "Base64", "Dates", "DocStringExtensions", "IOCapture", "InteractiveUtils", "JSON", "LibGit2", "Logging", "Markdown", "REPL", "Test", "Unicode"]
-git-tree-sha1 = "7d9a46421aef53cbd6b8ecc40c3dcbacbceaf40e"
-uuid = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
-version = "0.27.15"
-
-[[deps.IOCapture]]
-deps = ["Logging", "Random"]
-git-tree-sha1 = "f7be53659ab06ddc986428d3a9dcc95f6fa6705a"
-uuid = "b5f81e59-6552-4d32-b1f0-c071b021bf89"
-version = "0.2.2"
-
-[[deps.InteractiveUtils]]
-deps = ["Markdown"]
-uuid = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
-
-[[deps.JSON]]
-deps = ["Dates", "Mmap", "Parsers", "Unicode"]
-git-tree-sha1 = "3c837543ddb02250ef42f4738347454f95079d4e"
-uuid = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
-version = "0.21.3"
-
-[[deps.LibGit2]]
-deps = ["Base64", "NetworkOptions", "Printf", "SHA"]
-uuid = "76f85450-5226-5b5a-8eaa-529ad045b433"
-
-[[deps.Logging]]
-uuid = "56ddb016-857b-54e1-b83d-db4d58db5568"
-
-[[deps.Markdown]]
-deps = ["Base64"]
-uuid = "d6f4376e-aef5-505a-96c1-9c027394607a"
-
-[[deps.Mmap]]
-uuid = "a63ad114-7e13-5084-954f-fe012c677804"
-
-[[deps.Nanoid]]
-path = ".."
-uuid = "649b5ee6-231f-4350-86a5-2b05c0e3780e"
-version = "0.1.0"
-
-[[deps.NetworkOptions]]
-uuid = "ca575930-c2e3-43a9-ace4-1e988b2c1908"
-
-[[deps.Parsers]]
-deps = ["Dates"]
-git-tree-sha1 = "85b5da0fa43588c75bb1ff986493443f821c70b7"
-uuid = "69de0a69-1ddd-5017-9359-2bf0b02dc9f0"
-version = "2.2.3"
-
-[[deps.Printf]]
-deps = ["Unicode"]
-uuid = "de0858da-6303-5e67-8744-51eddeeeb8d7"
-
-[[deps.REPL]]
-deps = ["InteractiveUtils", "Markdown", "Sockets", "Unicode"]
-uuid = "3fa0cd96-eef1-5676-8a61-b3b8758bbffb"
-
-[[deps.Random]]
-deps = ["SHA", "Serialization"]
-uuid = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
-
-[[deps.SHA]]
-uuid = "ea8e919c-243c-51af-8825-aaa63cd721ce"
-
-[[deps.Serialization]]
-uuid = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
-
-[[deps.Sockets]]
-uuid = "6462fe0b-24de-5631-8697-dd941f90decc"
-
-[[deps.Test]]
-deps = ["InteractiveUtils", "Logging", "Random", "Serialization"]
-uuid = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
-
-[[deps.Unicode]]
-uuid = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"
diff --git a/docs/Project.toml b/docs/Project.toml
deleted file mode 100644
index d1b5217..0000000
--- a/docs/Project.toml
+++ /dev/null
@@ -1,3 +0,0 @@
-[deps]
-Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
-Nanoid = "649b5ee6-231f-4350-86a5-2b05c0e3780e"
diff --git a/docs/make.jl b/docs/make.jl
deleted file mode 100644
index 95f613e..0000000
--- a/docs/make.jl
+++ /dev/null
@@ -1,24 +0,0 @@
-using Nanoid
-using Documenter
-
-DocMeta.setdocmeta!(Nanoid, :DocTestSetup, :(using Nanoid); recursive=true)
-
-makedocs(;
-    modules=[Nanoid],
-    authors="Reinaldy Rafli <aldy505@tutanota.com> and contributors",
-    repo="https://github.com/Reinaldy Rafli/Nanoid.jl/blob/{commit}{path}#{line}",
-    sitename="Nanoid.jl",
-    format=Documenter.HTML(;
-        prettyurls=get(ENV, "CI", "false") == "true",
-        canonical="https://Reinaldy Rafli.github.io/Nanoid.jl",
-        assets=String[],
-    ),
-    pages=[
-        "Home" => "index.md",
-    ],
-)
-
-deploydocs(;
-    repo="github.com/Reinaldy Rafli/Nanoid.jl",
-    devbranch="master",
-)
diff --git a/docs/src/index.md b/docs/src/index.md
deleted file mode 100644
index bdd0f67..0000000
--- a/docs/src/index.md
+++ /dev/null
@@ -1,14 +0,0 @@
-```@meta
-CurrentModule = Nanoid
-```
-
-# Nanoid
-
-Documentation for [Nanoid](https://github.com/Reinaldy Rafli/Nanoid.jl).
-
-```@index
-```
-
-```@autodocs
-Modules = [Nanoid]
-```
diff --git a/src/Nanoid.jl b/src/Nanoid.jl
index 98caca8..edca69c 100644
--- a/src/Nanoid.jl
+++ b/src/Nanoid.jl
@@ -1,5 +1,61 @@
 module Nanoid
 
+using Random
+
 # Write your package code here.
+const urlalphabet = "useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict"
+
+rng = MersenneTwister()
+
+function randomcharacter(from::String)::Char
+    return rand(rng, from)
+end
+
+function generate(alphabet::String, length::Integer)::String
+    id = []
+
+    for _ = 1:length
+        randomchar = string(randomcharacter(alphabet))
+        append!(id, randomchar)
+    end
+
+    join(id, "")
+end
+
+"""
+    nanoid(size::Integer = 21; alphabet::String = "") -> String
+
+Generate a random Nanoid with the given size and alphabet.
+Size defaults to 21, and alphabet defaults to the URL-safe alphabet.
+
+## Examples
+
+```jldoctest
+julia> nanoid()
+"tcDIFxMJHw6UgUnbI_6za"
+
+julia> nanoid(10)
+"OutzQWa1SB"
+
+julia> nanoid(; alphabet = "ABCDEFGHIJ")
+"GEHCAGFJIAHCJGIHHIHFF"
+
+julia> nanoid(10; alphabet = "abcdef")
+"abeafebaab"
+```
+"""
+function nanoid(size::Integer=21; alphabet::String = "")::String
+    if size < 1
+        error("size must be at least 1")
+    end
+
+    if alphabet == ""
+        alphabet = urlalphabet
+    end
+
+    generate(alphabet, size)
+end
+
+export nanoid
 
 end
diff --git a/test/runtests.jl b/test/runtests.jl
index c970f5f..79778f2 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -2,5 +2,25 @@ using Nanoid
 using Test
 
 @testset "Nanoid.jl" begin
-    # Write your tests here.
+    @testset "Randomness" begin
+        @test nanoid() != nanoid()
+    end
+    @testset "Length" begin
+        @test length(nanoid()) == 21
+        @test length(nanoid(1)) == 1
+        @test length(nanoid(255)) == 255
+        @test length(nanoid(25)) == 25
+    end
+
+    @testset "Errors" begin
+        @test_throws ErrorException("size must be at least 1") nanoid(-1)
+    end
+
+    @testset "Custom alphabet" begin
+        output = nanoid(;alphabet = "ABCDE")
+
+        for chars in output
+            @test chars in "ABCDE"
+        end
+    end
 end