diff --git a/.gitignore b/.gitignore
index 5663c89..04b8fd9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,7 @@ public/
 *.jpeg
 *.svg
 !test/1px.png
+**/.mypy_cache
+**/*.egg-info
+build/
+dist/
diff --git a/formatitko.py b/formatitko.py
deleted file mode 100755
index 17d072d..0000000
--- a/formatitko.py
+++ /dev/null
@@ -1,62 +0,0 @@
-#!/usr/bin/env python3
-
-import argparse
-import re
-import sys
-from typing import List
-import os
-
-# Import local files
-from transform import transform
-from util import *
-from context import Context, Group
-from katex import KatexClient
-from html import html
-from tex import tex
-from images import ImageProcessor
-
-from mj_show import show
-
-# Initialize command line arguments
-parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
-parser.add_argument("-l", "--img-lookup-dirs", help="Image lookup directories. When processing images, the program will try to find the image in them first. Always looks for images in the same folder as the markdown file.", nargs="+", default=[])
-parser.add_argument("-p", "--img-public-dir", help="Directory to put processed images into. The program will not overwrite existing images.", default="public")
-parser.add_argument("-i", "--img-web-path", help="Path where the processed images are available on the website.", default="/")
-parser.add_argument("-w", "--output-html", help="The HTML file (for Web) to write into.", default="output.html")
-parser.add_argument("-t", "--output-tex", help="The TEX file to write into.", default="output.tex")
-parser.add_argument("input_filename", help="The markdown file to process.")
-parser.add_argument("--debug", action='store_true')
-args = parser.parse_args()
-# TODO: Accept path to unix socket for katexClient, then don't init our own,
-# just connect to an existing one. For formátíking many files in a row.
-
-# Use panflute to parse the input MD file
-doc = import_md(open(args.input_filename, "r").read())
-
-if args.debug:
-	print(show(doc))
-
-# The language metadatum is important, so it's read before transformation and
-# then attached to a group inside the Doc
-language = doc.get_metadata("language", None, True)
-context = Context(doc, args.input_filename)
-
-# Transform the document. This includes all the fancy formatting this software does.
-doc = doc.walk(transform, context)
-
-# Now wrap the document contents in a group, which is able to pop its language
-# setting out to TeX
-doc.content = [Group(*doc.content, metadata={"language":language})]
-
-# Initialize the image processor (this just keeps some basic state)
-imageProcessor = ImageProcessor(args.img_public_dir, args.img_web_path, *args.img_lookup_dirs)
-
-# Initialize KaTeX client (this runs the node app and connects to a unix socket)
-with KatexClient() as katexClient:
-	# Generate HTML and TeX out of the transformed document
-	open(args.output_html, "w").write(html(doc, katexClient, imageProcessor))
-	open(args.output_tex, "w").write(tex(doc, imageProcessor))
-
-if args.debug:
-	print(show(doc))
-
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..801ebd2
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,26 @@
+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "formatitko"
+version = "0.0.1"
+authors = [
+  { name="Greenscreener	", email="gs@grsc.cz" },
+  { name="Organizers of KSP", email="ksp-tech@ksp.mff.cuni.cz" }
+]
+description = "A python program based on pandoc and its python library panflute for converting from markdown to TeX and HTML with added fancy features like image processing, python-based macros and much more."
+readme = "README.md"
+requires-python = ">=3.9"
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: Linux",
+]
+
+[project.urls]
+"Homepage" = "https://gitea.ks.matfyz.cz/KSP/formatitko"
+"Bug Tracker" = "https://gitea.ks.matfyz.cz/KSP/formatitko/issues"
+
+[project.scripts]
+formatitko = "formatitko.formatitko:main"
diff --git a/src/formatitko/__init__.py b/src/formatitko/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/command.py b/src/formatitko/command.py
similarity index 97%
rename from command.py
rename to src/formatitko/command.py
index 4e89390..d9831c9 100644
--- a/command.py
+++ b/src/formatitko/command.py
@@ -2,9 +2,9 @@ from panflute import Div,Span,Para
 from typing import List
 
 # Import local files
-from util import *
-from context import Context
-from mj_show import show
+from .util import *
+from .context import Context
+from .mj_show import show
 
 class Command:
 	pass
diff --git a/context.py b/src/formatitko/context.py
similarity index 100%
rename from context.py
rename to src/formatitko/context.py
diff --git a/src/formatitko/formatitko.py b/src/formatitko/formatitko.py
new file mode 100755
index 0000000..b2ee9e9
--- /dev/null
+++ b/src/formatitko/formatitko.py
@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+
+import argparse
+import re
+import sys
+from typing import List
+import os
+
+# Import local files
+from .transform import transform
+from .util import *
+from .context import Context, Group
+from .katex import KatexClient
+from .html import html
+from .tex import tex
+from .images import ImageProcessor
+
+from .mj_show import show
+
+def main():
+    # Initialize command line arguments
+    parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
+    parser.add_argument("-l", "--img-lookup-dirs", help="Image lookup directories. When processing images, the program will try to find the image in them first. Always looks for images in the same folder as the markdown file.", nargs="+", default=[])
+    parser.add_argument("-p", "--img-public-dir", help="Directory to put processed images into. The program will not overwrite existing images.", default="public")
+    parser.add_argument("-i", "--img-web-path", help="Path where the processed images are available on the website.", default="/")
+    parser.add_argument("-w", "--output-html", help="The HTML file (for Web) to write into.", default="output.html")
+    parser.add_argument("-t", "--output-tex", help="The TEX file to write into.", default="output.tex")
+    parser.add_argument("input_filename", help="The markdown file to process.")
+    parser.add_argument("--debug", action='store_true')
+    args = parser.parse_args()
+    # TODO: Accept path to unix socket for katexClient, then don't init our own,
+    # just connect to an existing one. For formátíking many files in a row.
+
+    # Use panflute to parse the input MD file
+    doc = import_md(open(args.input_filename, "r").read())
+
+    if args.debug:
+        print(show(doc))
+
+    # The language metadatum is important, so it's read before transformation and
+    # then attached to a group inside the Doc
+    language = doc.get_metadata("language", None, True)
+    context = Context(doc, args.input_filename)
+
+    # Transform the document. This includes all the fancy formatting this software does.
+    doc = doc.walk(transform, context)
+
+    # Now wrap the document contents in a group, which is able to pop its language
+    # setting out to TeX
+    doc.content = [Group(*doc.content, metadata={"language":language})]
+
+    # Initialize the image processor (this just keeps some basic state)
+    imageProcessor = ImageProcessor(args.img_public_dir, args.img_web_path, *args.img_lookup_dirs)
+
+    # Initialize KaTeX client (this runs the node app and connects to a unix socket)
+    with KatexClient() as katexClient:
+        # Generate HTML and TeX out of the transformed document
+        open(args.output_html, "w").write(html(doc, katexClient, imageProcessor))
+        open(args.output_tex, "w").write(tex(doc, imageProcessor))
+
+    if args.debug:
+        print(show(doc))
+
+
+if __name__ == "__main__":
+    main()
+
diff --git a/html.py b/src/formatitko/html.py
similarity index 98%
rename from html.py
rename to src/formatitko/html.py
index 17267ed..87d1dc7 100644
--- a/html.py
+++ b/src/formatitko/html.py
@@ -5,12 +5,12 @@ from pygments.formatters import HtmlFormatter
 from pygments.util import ClassNotFound
 import os
 
-from whitespace import NBSP
-from transform import FQuoted
-from katex import KatexClient
-from util import inlinify
-from context import Group
-from images import ImageProcessor
+from .whitespace import NBSP
+from .transform import FQuoted
+from .katex import KatexClient
+from .util import inlinify
+from .context import Group
+from .images import ImageProcessor
 
 def html(e: Element, k: KatexClient, i: ImageProcessor, indent_level: int=0, indent_str: str="\t") -> str:
 	
diff --git a/images.py b/src/formatitko/images.py
similarity index 100%
rename from images.py
rename to src/formatitko/images.py
diff --git a/katex.py b/src/formatitko/katex.py
similarity index 100%
rename from katex.py
rename to src/formatitko/katex.py
diff --git a/mj_show.py b/src/formatitko/mj_show.py
similarity index 100%
rename from mj_show.py
rename to src/formatitko/mj_show.py
diff --git a/tex.py b/src/formatitko/tex.py
similarity index 98%
rename from tex.py
rename to src/formatitko/tex.py
index 238255e..6d6a674 100644
--- a/tex.py
+++ b/src/formatitko/tex.py
@@ -1,11 +1,11 @@
 from panflute import *
 import os
 
-from whitespace import NBSP
-from transform import FQuoted
-from util import inlinify
-from context import Group
-from images import ImageProcessor
+from .whitespace import NBSP
+from .transform import FQuoted
+from .util import inlinify
+from .context import Group
+from .images import ImageProcessor
 
 # Heavily inspired by: git://git.ucw.cz/labsconf2022.git
 def tex(e: Element, i: ImageProcessor, indent_level: int=0, indent_str: str="\t") -> str:
diff --git a/transform.py b/src/formatitko/transform.py
similarity index 98%
rename from transform.py
rename to src/formatitko/transform.py
index c9ada1c..7b1c332 100644
--- a/transform.py
+++ b/src/formatitko/transform.py
@@ -2,10 +2,10 @@ from panflute import *
 import re
 
 # Import local files
-from whitespace import *
-from command import *
-from util import *
-from context import *
+from .whitespace import *
+from .command import *
+from .util import *
+from .context import *
 
 
 # This is a small extension to the Quoted panflute elements which allows to
diff --git a/util.py b/src/formatitko/util.py
similarity index 100%
rename from util.py
rename to src/formatitko/util.py
diff --git a/whitespace.py b/src/formatitko/whitespace.py
similarity index 98%
rename from whitespace.py
rename to src/formatitko/whitespace.py
index 928f94b..155f5e5 100644
--- a/whitespace.py
+++ b/src/formatitko/whitespace.py
@@ -2,7 +2,7 @@ from panflute import Space, SoftBreak, Str, Math
 from typing import Union
 
 # Import local files
-from context import Context
+from .context import Context
 
 Whitespace = Union[Space,SoftBreak]