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--- a/README.md
+++ b/README.md
@@ -1,7 +1,32 @@
-Formats json.
+# Extremely fast JSON formatter
-Will maybe even be fast in the future, idk
+`jsonformat` is an extremely fast JSON formatter.
-would be amazing if it even works.
+It formats over 60MB of nested JSON in under 0.4s.
-note: does not actually parse the json to a parse tree or something, it just formats it
\ No newline at end of file
+## Install
+Currently, you have to build and install it yourself.
+`cargo build --release`
+The executable can then be found in `target/release/jsonformat`
+
+## Usage
+```
+USAGE:
+ jsonformat [OPTIONS] [input]
+
+ARGS:
+ The input file to format
+
+FLAGS:
+ -h, --help Prints help information
+ -V, --version Prints version information
+
+OPTIONS:
+ -i, --indent Set the indentation used (\s for space, \t for tab)
+ -o, --output