diff --git a/Cargo.lock b/Cargo.lock
index 51dbfe6..d832a2f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -97,6 +97,36 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
+[[package]]
+name = "bit-set"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0481a0e032742109b1133a095184ee93d88f3dc9e0d28a5d033dc77a073f44f"
+dependencies = [
+ "bit-vec",
+]
+
+[[package]]
+name = "bit-vec"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2c54ff287cfc0a34f38a6b832ea1bd8e448a330b3e40a50859e6488bee07f22"
+
+[[package]]
+name = "bitflags"
+version = "2.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "843867be96c8daad0d758b57df9392b6d8d271134fce549de6ce169ff98a92af"
+
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "bstr"
 version = "1.12.1"
@@ -107,6 +137,18 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "bumpalo"
+version = "3.20.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d20789868f4b01b2f2caec9f5c4e0213b41e3e5702a50157d699ae31ced2fcb"
+
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "bytes"
 version = "1.11.1"
@@ -129,6 +171,15 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
+[[package]]
+name = "chrono"
+version = "0.4.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c673075a2e0e5f4a1dde27ce9dee1ea4558c7ffe648f576438a20ca1d2acc4b0"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "clap"
 version = "4.5.60"
@@ -224,6 +275,30 @@ dependencies = [
  "url",
 ]
 
+[[package]]
+name = "cpufeatures"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59ed5838eebb26a2bb2e58f6d5b5316989ae9d08bab10e0e6d103e656d1b0280"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "crc"
+version = "3.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5eb8a2a1cd12ab0d987a5d5e825195d372001a4094a0376319d5a0ad71c1ba0d"
+dependencies = [
+ "crc-catalog",
+]
+
+[[package]]
+name = "crc-catalog"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19d374276b40fb8bbdee95aef7c7fa6b5316ec764510eb64b8dd0e2ed0d7e7f5"
+
 [[package]]
 name = "crc32fast"
 version = "1.5.0"
@@ -264,6 +339,16 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "460fbee9c2c2f33933d720630a6a0bac33ba7053db5344fac858d4b8952d77d5"
 
+[[package]]
+name = "crypto-common"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
 [[package]]
 name = "deranged"
 version = "0.5.8"
@@ -273,6 +358,16 @@ dependencies = [
  "powerfmt",
 ]
 
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer",
+ "crypto-common",
+]
+
 [[package]]
 name = "dirs"
 version = "6.0.0"
@@ -379,6 +474,28 @@ dependencies = [
  "unicase",
 ]
 
+[[package]]
+name = "filetime"
+version = "0.2.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f98844151eee8917efc50bd9e8318cb963ae8b297431495d3f758616ea5c57db"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "libredox",
+]
+
+[[package]]
+name = "filetime_creation"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c25b5d475550e559de5b0c0084761c65325444e3b6c9e298af9cefe7a9ef3a5f"
+dependencies = [
+ "cfg-if",
+ "filetime",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "find-msvc-tools"
 version = "0.1.9"
@@ -425,6 +542,7 @@ dependencies = [
  "log",
  "quick-xml",
  "serde",
+ "sevenz-rust",
  "thiserror",
  "toml",
  "ureq",
@@ -441,6 +559,16 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.14.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.17"
@@ -670,6 +798,16 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "js-sys"
+version = "0.3.91"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b49715b7073f385ba4bc528e5747d02e66cb39c6146efb66b781f131f0fb399c"
+dependencies = [
+ "once_cell",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "keyvalues-parser"
 version = "0.2.3"
@@ -728,7 +866,10 @@ version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1744e39d1d6a9948f4f388969627434e31128196de472883b39f148769bfe30a"
 dependencies = [
+ "bitflags",
  "libc",
+ "plain",
+ "redox_syscall",
 ]
 
 [[package]]
@@ -762,6 +903,15 @@ dependencies = [
  "unicase",
 ]
 
+[[package]]
+name = "lzma-rust"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5baab2bbbd7d75a144d671e9ff79270e903957d92fb7386fd39034c709bd2661"
+dependencies = [
+ "byteorder",
+]
+
 [[package]]
 name = "memchr"
 version = "2.8.0"
@@ -787,6 +937,16 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "nt-time"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2de419e64947cd8830e66beb584acc3fb42ed411d103e3c794dda355d1b374b5"
+dependencies = [
+ "chrono",
+ "time",
+]
+
 [[package]]
 name = "num-conv"
 version = "0.2.0"
@@ -867,6 +1027,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "plain"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4596b6d070b27117e987119b4dac604f3c58cfb0b191112e24771b2faeac1a6"
+
 [[package]]
 name = "portable-atomic"
 version = "1.13.1"
@@ -945,6 +1111,15 @@ dependencies = [
  "crossbeam-utils",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ce70a74e890531977d37e532c34d45e9055d2409ed08ddba14529471ed0be16"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "redox_users"
 version = "0.5.2"
@@ -1061,6 +1236,12 @@ dependencies = [
  "untrusted",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
+
 [[package]]
 name = "same-file"
 version = "1.0.6"
@@ -1145,6 +1326,34 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "sevenz-rust"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26482cf1ecce4540dc782fc70019eba89ffc4d87b3717eb5ec524b5db6fdefef"
+dependencies = [
+ "bit-set",
+ "byteorder",
+ "crc",
+ "filetime_creation",
+ "js-sys",
+ "lzma-rust",
+ "nt-time",
+ "sha2",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "sha2"
+version = "0.10.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7507d819769d01a365ab707794a4084392c824f54a7a6a7862f8c3d0892b283"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "shlex"
 version = "1.3.0"
@@ -1312,6 +1521,12 @@ version = "1.0.6+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ab16f14aed21ee8bfd8ec22513f7287cd4a91aa92e44edfe2c17ddd004e92607"
 
+[[package]]
+name = "typenum"
+version = "1.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "562d481066bde0658276a35467c4af00bdc6ee726305698a55b86e61d7ad82bb"
+
 [[package]]
 name = "ucd-trie"
 version = "0.1.7"
@@ -1420,6 +1635,51 @@ version = "0.11.1+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.114"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6532f9a5c1ece3798cb1c2cfdba640b9b3ba884f5db45973a6f442510a87d38e"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "rustversion",
+ "wasm-bindgen-macro",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.114"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "18a2d50fcf105fb33bb15f00e7a77b772945a2ee45dcf454961fd843e74c18e6"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.114"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03ce4caeaac547cdf713d280eda22a730824dd11e6b8c3ca9e42247b25c631e3"
+dependencies = [
+ "bumpalo",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.114"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75a326b8c223ee17883a4251907455a2431acc2791c98c26279376490c378c16"
+dependencies = [
+ "unicode-ident",
+]
+
 [[package]]
 name = "webpki-roots"
 version = "1.0.6"
diff --git a/Cargo.toml b/Cargo.toml
index 60ab5d6..fbd870a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,6 +12,7 @@ libloot = "0.29.0"
 log = "0.4.29"
 quick-xml = { version = "0.39.2", features = ["serde-types", "serialize"] }
 serde = { version = "1.0.228", features = ["derive"] }
+sevenz-rust = { version = "0.6.1", default-features = false }
 thiserror = "2.0.18"
 toml = "1.0.3"
 ureq = { version = "3.2.0", features = ["json"] }
diff --git a/src/cli.rs b/src/cli.rs
index 096561b..9faae7e 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -19,4 +19,5 @@ pub enum Commands {
     LoadOrder { instance: String },
     ApiCheck,
     Download { url: String },
+    Unpack { id: String, path: String },
 }
diff --git a/src/main.rs b/src/main.rs
index 9b6481f..3f43296 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -9,6 +9,7 @@ use crate::{
     instance::{files_to_install_mod, insert_mod_to_instance},
     nexus::{NexusAPI, download_nxm},
     types::RootConfig,
+    unpacker::unpack,
 };
 
 mod activator;
@@ -21,6 +22,7 @@ mod load_order;
 mod mod_config_installer;
 mod nexus;
 mod types;
+mod unpacker;
 mod utils;
 
 fn command_activate(
@@ -39,9 +41,9 @@ fn command_add(root_config: &RootConfig, instance_id: &str, mod_id: &str) -> any
         .mod_by_id(mod_id)
         .ok_or(anyhow!("Can't find mod in config"))?;
 
-    let files = files_to_install_mod(root_config, &instance, mod_to_install)?;
+    let files = files_to_install_mod(root_config, &instance, &mod_to_install)?;
 
-    match insert_mod_to_instance(&mut instance, mod_to_install, &files, 0) {
+    match insert_mod_to_instance(&mut instance, &mod_to_install, &files, 0) {
         Ok(_) => {
             instance.save_to_file()?;
             Ok(())
@@ -104,6 +106,25 @@ fn command_download(root_config: &RootConfig, nxm_url: &str) -> anyhow::Result<(
     Ok(())
 }
 
+fn command_unpack(
+    root_config: &mut RootConfig,
+    id: &str,
+    file: impl AsRef<Path>,
+) -> anyhow::Result<()> {
+    if root_config.game_by_id(id).is_some() {
+        error!("Mod already present");
+        return Err(anyhow!("Mod already exists"));
+    }
+
+    let new_mod = unpack(root_config, id, file)?;
+
+    root_config.add_mod(&new_mod);
+
+    root_config.save_to_file()?;
+
+    Ok(())
+}
+
 fn setup_logger() {
     env_logger::builder()
         .filter_level(log::LevelFilter::max())
@@ -118,7 +139,7 @@ fn main() -> Result<(), Box<dyn Error>> {
     let args = Args::parse();
 
     debug!("Loading config from {:?}", args.config);
-    let root_config = RootConfig::load_from_file(args.config)?;
+    let mut root_config = RootConfig::load_from_file(args.config)?;
 
     match args.command {
         cli::Commands::Activate { instance, target } => {
@@ -137,6 +158,9 @@ fn main() -> Result<(), Box<dyn Error>> {
         cli::Commands::Download { url } => {
             command_download(&root_config, &url)?;
         }
+        cli::Commands::Unpack { id, path } => {
+            command_unpack(&mut root_config, &id, path)?;
+        }
     }
 
     Ok(())
diff --git a/src/unpacker.rs b/src/unpacker.rs
new file mode 100644
index 0000000..728bb57
--- /dev/null
+++ b/src/unpacker.rs
@@ -0,0 +1,28 @@
+use std::{fs, path::Path};
+
+use anyhow::anyhow;
+
+use crate::types::{ModConfig, RootConfig};
+
+pub fn unpack(
+    root_config: &RootConfig,
+    id: &str,
+    path: impl AsRef<Path>,
+) -> anyhow::Result<ModConfig> {
+    let extract_to = root_config.mod_location().join(id);
+
+    if fs::exists(&extract_to)? {
+        return Err(anyhow!("File already exists"));
+    }
+
+    unpack_7z_file(path, &extract_to)?;
+
+    let new_mod = ModConfig::new(id, id);
+
+    Ok(new_mod)
+}
+
+fn unpack_7z_file(path: impl AsRef<Path>, to: impl AsRef<Path>) -> anyhow::Result<()> {
+    sevenz_rust::decompress_file(path, to)?;
+    Ok(())
+}