diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index 3e71d96..7f047c9 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -95,7 +95,7 @@ checksum = "a66537f1bb974b254c98ed142ff995236e81b9d0fe4db0575f46612cb15eb0f9"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.70",
 ]
 
 [[package]]
@@ -172,9 +172,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "bitflags"
-version = "2.4.1"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "327762f6e5a765692301e5bb513e0d9fef63be86bbc14528052b1cd3e6f03e07"
+checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
 [[package]]
 name = "block"
@@ -434,6 +434,18 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "console"
+version = "0.15.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e1f83fc076bd6dd27517eacdf25fef6c4dfe5f1d7448bafaaf3a26f13b5e4eb"
+dependencies = [
+ "encode_unicode",
+ "lazy_static",
+ "libc",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "convert_case"
 version = "0.4.0"
@@ -574,7 +586,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13b588ba4ac1a99f7f2964d24b3d896ddc6bf847ee3855dbd4366f058cfcd331"
 dependencies = [
  "quote",
- "syn 2.0.41",
+ "syn 2.0.70",
 ]
 
 [[package]]
@@ -584,7 +596,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "30d2b3721e861707777e3195b0158f950ae6dc4a27e4d02ff9f67e3eb3de199e"
 dependencies = [
  "quote",
- "syn 2.0.41",
+ "syn 2.0.70",
 ]
 
 [[package]]
@@ -608,7 +620,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.41",
+ "syn 2.0.70",
 ]
 
 [[package]]
@@ -619,7 +631,7 @@ checksum = "836a9bbc7ad63342d6d6e7b815ccab164bc77a2d95d84bc3117a8c0d5c98e2d5"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.70",
 ]
 
 [[package]]
@@ -734,6 +746,12 @@ version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4ef6b89e5b37196644d8796de5268852ff179b44e96276cf4290264843743bb7"
 
+[[package]]
+name = "encode_unicode"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a357d28ed41a50f9c765dbfe56cbc04a64e53e5fc58ba79fbc34c10ef3df831f"
+
 [[package]]
 name = "encoding_rs"
 version = "0.8.33"
@@ -818,9 +836,9 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "1.0.28"
+version = "1.0.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46303f565772937ffe1d394a4fac6f411c6013172fadde9dcdb1e147a086940e"
+checksum = "5f54427cfd1c7829e2a139fcefea601bf088ebca651d2bf53ebc600eac295dae"
 dependencies = [
  "crc32fast",
  "miniz_oxide",
@@ -931,7 +949,7 @@ checksum = "53b153fd91e4b0147f4aced87be237c98248656bb01050b96bf3ee89220a8ddb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.70",
 ]
 
 [[package]]
@@ -1152,6 +1170,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "glam"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e05e7e6723e3455f4818c7b26e855439f7546cf617ef669d1adedb8669e5cb9"
+
 [[package]]
 name = "glib"
 version = "0.15.12"
@@ -1596,6 +1620,18 @@ dependencies = [
  "cfb",
 ]
 
+[[package]]
+name = "insta"
+version = "1.39.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "810ae6042d48e2c9e9215043563a58a80b877bc863228a74cf10c49d4620a6f5"
+dependencies = [
+ "console",
+ "lazy_static",
+ "linked-hash-map",
+ "similar",
+]
+
 [[package]]
 name = "instant"
 version = "0.1.12"
@@ -1786,6 +1822,24 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
+[[package]]
+name = "league-toolkit"
+version = "0.1.0"
+source = "git+https://github.com/LeagueToolkit/league-toolkit?branch=main#72b8e1280695e102b13ae28e4d1e0caa5b4710cb"
+dependencies = [
+ "bitflags 2.6.0",
+ "byteorder",
+ "flate2",
+ "glam",
+ "insta",
+ "lazy_static",
+ "log",
+ "memchr",
+ "num_enum 0.7.2",
+ "thiserror",
+ "zstd 0.13.2",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.151"
@@ -1798,7 +1852,7 @@ version = "0.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "85c833ca1e66078851dba29046874e38f08b2c883700aa29a03ddd3b23814ee8"
 dependencies = [
- "bitflags 2.4.1",
+ "bitflags 2.6.0",
  "libc",
  "redox_syscall",
 ]
@@ -1812,6 +1866,12 @@ dependencies = [
  "safemem",
 ]
 
+[[package]]
+name = "linked-hash-map"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.4.12"
@@ -1830,9 +1890,9 @@ dependencies = [
 
 [[package]]
 name = "log"
-version = "0.4.20"
+version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
+checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
 
 [[package]]
 name = "loom"
@@ -1909,9 +1969,9 @@ checksum = "2532096657941c2fea9c289d370a250971c689d4f143798ff67113ec042024a5"
 
 [[package]]
 name = "memchr"
-version = "2.6.4"
+version = "2.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167"
+checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
 [[package]]
 name = "memoffset"
@@ -2100,11 +2160,11 @@ dependencies = [
 
 [[package]]
 name = "num_enum"
-version = "0.7.1"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "683751d591e6d81200c39fb0d1032608b77724f34114db54f571ff1317b337c0"
+checksum = "02339744ee7253741199f897151b38e72257d13802d4ee837285cc2990a90845"
 dependencies = [
- "num_enum_derive 0.7.1",
+ "num_enum_derive 0.7.2",
 ]
 
 [[package]]
@@ -2121,14 +2181,14 @@ dependencies = [
 
 [[package]]
 name = "num_enum_derive"
-version = "0.7.1"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c11e44798ad209ccdd91fc192f0526a369a01234f7373e1b141c96d7cee4f0e"
+checksum = "681030a937600a36906c185595136d26abfebb4aa9c65701cefcaf8578bb982b"
 dependencies = [
  "proc-macro-crate 2.0.1",
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.70",
 ]
 
 [[package]]
@@ -2192,8 +2252,9 @@ dependencies = [
  "indexmap 2.1.0",
  "itertools",
  "lazy_static",
+ "league-toolkit",
  "memchr",
- "num_enum 0.7.1",
+ "num_enum 0.7.2",
  "octocrab",
  "open 5.0.1",
  "parking_lot",
@@ -2212,7 +2273,7 @@ dependencies = [
  "uuid",
  "walkdir",
  "xxhash-rust",
- "zstd",
+ "zstd 0.12.4",
 ]
 
 [[package]]
@@ -2285,7 +2346,7 @@ version = "0.10.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6b8419dc8cc6d866deb801274bba2e6f8f6108c1bb7fcc10ee5ab864931dbb45"
 dependencies = [
- "bitflags 2.4.1",
+ "bitflags 2.6.0",
  "cfg-if",
  "foreign-types",
  "libc",
@@ -2302,7 +2363,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.70",
 ]
 
 [[package]]
@@ -2509,7 +2570,7 @@ dependencies = [
  "phf_shared 0.11.2",
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.70",
 ]
 
 [[package]]
@@ -2556,7 +2617,7 @@ checksum = "4359fd9c9171ec6e8c62926d6faaf553a8dc3f64e1507e76da7911b4f6a04405"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.70",
 ]
 
 [[package]]
@@ -2674,9 +2735,9 @@ checksum = "dc375e1527247fe1a97d8b7156678dfe7c1af2fc075c9a4db3690ecd2a148068"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.70"
+version = "1.0.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39278fbbf5fb4f646ce651690877f89d1c5811a3d4acb27700c1cb3cdb78fd3b"
+checksum = "5e719e8df665df0d1c8fbfd238015744736151d4445ec0836b8e628aae103b77"
 dependencies = [
  "unicode-ident",
 ]
@@ -2692,9 +2753,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.33"
+version = "1.0.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
+checksum = "0fa76aaf39101c457836aec0ce2316dbdc3ab723cdda1c6bd4e6ad4208acaca7"
 dependencies = [
  "proc-macro2",
 ]
@@ -2960,7 +3021,7 @@ version = "0.38.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72e572a5e8ca657d7366229cdde4bd14c4eb5499a9573d4d366fe1b599daa316"
 dependencies = [
- "bitflags 2.4.1",
+ "bitflags 2.6.0",
  "errno",
  "libc",
  "linux-raw-sys",
@@ -3146,7 +3207,7 @@ checksum = "43576ca501357b9b071ac53cdc7da8ef0cbd9493d8df094cd821777ea6e894d3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.70",
 ]
 
 [[package]]
@@ -3178,7 +3239,7 @@ checksum = "3081f5ffbb02284dda55132aa26daecedd7372a42417bbbab6f14ab7d6bb9145"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.70",
 ]
 
 [[package]]
@@ -3228,7 +3289,7 @@ dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.70",
 ]
 
 [[package]]
@@ -3289,6 +3350,12 @@ version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
 
+[[package]]
+name = "similar"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa42c91313f1d05da9b26f267f931cf178d4aba455b4c4622dd7355eb80c6640"
+
 [[package]]
 name = "simple_asn1"
 version = "0.6.2"
@@ -3465,9 +3532,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.41"
+version = "2.0.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44c8b28c477cc3bf0e7966561e3460130e1255f7a1cf71931075f1c5e7a7e269"
+checksum = "2f0209b68b3613b093e0ec905354eccaedcfe83b8cb37cbdeae64026c3064c16"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3740,7 +3807,7 @@ version = "0.1.0"
 source = "git+https://github.com/tauri-apps/plugins-workspace?branch=v1#4aa61dcc9e9abcfba5709cca9770f08aa578a3e3"
 dependencies = [
  "bincode",
- "bitflags 2.4.1",
+ "bitflags 2.6.0",
  "log",
  "serde",
  "serde_json",
@@ -3862,22 +3929,22 @@ checksum = "8eaa81235c7058867fa8c0e7314f33dcce9c215f535d1913822a2b3f5e289f3c"
 
 [[package]]
 name = "thiserror"
-version = "1.0.51"
+version = "1.0.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f11c217e1416d6f036b870f14e0413d480dbf28edbee1f877abaf0206af43bb7"
+checksum = "c546c80d6be4bc6a00c0f01730c08df82eaa7a7a61f11d656526506112cc1709"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.51"
+version = "1.0.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01742297787513b79cf8e29d1056ede1313e2420b7b3b15d0a768b4921f549df"
+checksum = "46c3384250002a6d5af4d114f2845d37b57521033f30d5c3f46c4d70e1197533"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.70",
 ]
 
 [[package]]
@@ -4096,7 +4163,7 @@ version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "61c5bb1d698276a2443e5ecfabc1008bf15a36c12e6a7176e7bf089ea9131140"
 dependencies = [
- "bitflags 2.4.1",
+ "bitflags 2.6.0",
  "bytes",
  "futures-core",
  "futures-util",
@@ -4155,7 +4222,7 @@ checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.70",
 ]
 
 [[package]]
@@ -4397,7 +4464,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.70",
  "wasm-bindgen-shared",
 ]
 
@@ -4431,7 +4498,7 @@ checksum = "f0eb82fcb7930ae6219a7ecfd55b217f5f0893484b7a13022ebb2b2bf20b5283"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.70",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -5070,7 +5137,16 @@ version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a27595e173641171fc74a1232b7b1c7a7cb6e18222c11e9dfb9888fa424c53c"
 dependencies = [
- "zstd-safe",
+ "zstd-safe 6.0.6",
+]
+
+[[package]]
+name = "zstd"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcf2b778a664581e31e389454a7072dab1647606d44f7feea22cd5abb9c9f3f9"
+dependencies = [
+ "zstd-safe 7.2.0",
 ]
 
 [[package]]
@@ -5083,11 +5159,20 @@ dependencies = [
  "zstd-sys",
 ]
 
+[[package]]
+name = "zstd-safe"
+version = "7.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa556e971e7b568dc775c136fc9de8c779b1c2fc3a63defaafadffdbd3181afa"
+dependencies = [
+ "zstd-sys",
+]
+
 [[package]]
 name = "zstd-sys"
-version = "2.0.9+zstd.1.5.5"
+version = "2.0.12+zstd.1.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e16efa8a874a0481a574084d34cc26fdb3b99627480f785888deb6386506656"
+checksum = "0a4e40c320c3cb459d9a9ff6de98cff88f4751ee9275d140e2be94a2b74e4c13"
 dependencies = [
  "cc",
  "pkg-config",
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index 9294618..8a600e5 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -24,7 +24,7 @@ serde_json = "1.0"
 byteorder = "1.4.3"
 thiserror = "1.0.49"
 num_enum = "0.7.0"
-flate2 = "1.0"
+flate2 = "1.0.30"
 zstd = "0.12.4"
 tracing = "0.1.37"
 tracing-subscriber = "0.3.17"
@@ -47,6 +47,7 @@ chrono = { version = "0.4.31", features = ["std", "clock"] }
 tracing-appender = "0.2.3"
 lazy_static = "1.4.0"
 fst = { version = "0.4.7", features = ['levenshtein'] }
+league-toolkit = { git = "https://github.com/LeagueToolkit/league-toolkit", branch = "main" }
 
 [features]
 # this feature is used for production builds or when `devPath` points to the filesystem
diff --git a/src-tauri/src/api/wad/commands.rs b/src-tauri/src/api/wad/commands.rs
index df491fc..0ee1397 100644
--- a/src-tauri/src/api/wad/commands.rs
+++ b/src-tauri/src/api/wad/commands.rs
@@ -2,6 +2,7 @@ mod extract_wad_items;
 mod search_wad;
 
 pub use extract_wad_items::*;
+use league_toolkit::core::wad::Wad;
 pub use search_wad::*;
 
 use super::{
@@ -11,10 +12,7 @@ use crate::core::wad;
 use crate::core::wad::tree::{WadTree, WadTreeItem};
 use crate::{
     api::error::ApiError,
-    core::wad::{
-        tree::{WadTreeParent, WadTreePathable, WadTreeSelectable},
-        Wad,
-    },
+    core::wad::tree::{WadTreeParent, WadTreePathable, WadTreeSelectable},
     state::{MountedWadsState, SettingsState, WadHashtableState},
     utils::actions::emit_action_progress,
 };
diff --git a/src-tauri/src/api/wad/commands/extract_wad_items.rs b/src-tauri/src/api/wad/commands/extract_wad_items.rs
index f7a2af0..25023bb 100644
--- a/src-tauri/src/api/wad/commands/extract_wad_items.rs
+++ b/src-tauri/src/api/wad/commands/extract_wad_items.rs
@@ -1,15 +1,13 @@
-use std::iter;
-use std::path::{Path, PathBuf};
+use std::path::PathBuf;
 use std::str::FromStr;
 
-use color_eyre::eyre::{eyre, Context, ContextCompat};
+use color_eyre::eyre::{Context, ContextCompat};
 use itertools::Itertools;
-use tauri::Manager;
 use uuid::Uuid;
 
 use crate::api::wad::commands::ApiError;
-use crate::core::wad::tree::{WadTreeItem, WadTreeParent, WadTreePathable};
-use crate::core::wad::{self, WadChunk};
+use crate::core::wad::tree::{WadTreeItem, WadTreePathable};
+use crate::core::wad::{self};
 use crate::state::SettingsState;
 use crate::utils::actions::emit_action_progress;
 use crate::{MountedWadsState, WadHashtableState};
diff --git a/src-tauri/src/api/wad/commands/search_wad.rs b/src-tauri/src/api/wad/commands/search_wad.rs
index 1366fdb..461b281 100644
--- a/src-tauri/src/api/wad/commands/search_wad.rs
+++ b/src-tauri/src/api/wad/commands/search_wad.rs
@@ -3,6 +3,7 @@ use std::{collections::HashMap, str, sync::Arc};
 use color_eyre::eyre::{Context, ContextCompat};
 use fst::{self, IntoStreamer, Streamer};
 use itertools::Itertools;
+use league_toolkit::core::wad::WadChunk;
 use uuid::Uuid;
 
 use crate::{
@@ -10,10 +11,7 @@ use crate::{
         error::ApiError,
         wad::{guess_file_kind, SearchWadResponse, SearchWadResponseItem},
     },
-    core::wad::{
-        tree::{WadTreeItem, WadTreeParent, WadTreePathable},
-        WadChunk,
-    },
+    core::wad::tree::{WadTreeItem, WadTreePathable},
     state::{MountedWadsState, WadHashtableState},
 };
 
diff --git a/src-tauri/src/api/wad/mod.rs b/src-tauri/src/api/wad/mod.rs
index 6e8a5ee..73d19bf 100644
--- a/src-tauri/src/api/wad/mod.rs
+++ b/src-tauri/src/api/wad/mod.rs
@@ -1,6 +1,7 @@
 mod commands;
 
 pub use commands::*;
+use league_toolkit::core::wad::WadChunkCompression;
 
 use std::path::Path;
 
@@ -9,10 +10,7 @@ use uuid::Uuid;
 
 use crate::core::{
     league_file::{get_league_file_kind_from_extension, LeagueFileKind},
-    wad::{
-        tree::{WadTreeDirectory, WadTreeFile, WadTreeItem, WadTreePathable},
-        WadChunk, WadChunkCompression,
-    },
+    wad::tree::{WadTreeDirectory, WadTreeFile, WadTreeItem, WadTreePathable},
 };
 
 #[derive(Serialize, Deserialize)]
diff --git a/src-tauri/src/core/wad/error.rs b/src-tauri/src/core/wad/error.rs
deleted file mode 100644
index 70ef65b..0000000
--- a/src-tauri/src/core/wad/error.rs
+++ /dev/null
@@ -1,27 +0,0 @@
-use std::io;
-
-use thiserror::Error;
-
-#[derive(Error, Debug)]
-pub enum WadError {
-    #[error("invalid header")]
-    InvalidHeader { expected: String, actual: String },
-
-    #[error("invalid version {major:?}.{minor:?}")]
-    InvalidVersion { major: u8, minor: u8 },
-
-    #[error("invalid chunk compression: {compression:?}")]
-    InvalidChunkCompression { compression: u8 },
-
-    #[error("duplicate chunk: {path_hash:#08x}")]
-    DuplicateChunk { path_hash: u64 },
-
-    #[error("failed to decompress chunk (path: {path_hash:#08x}, reason: {reason:?})")]
-    DecompressionFailure { path_hash: u64, reason: String },
-
-    #[error("io error")]
-    IoError(#[from] io::Error),
-
-    #[error("error: `{0}`")]
-    Other(String),
-}
diff --git a/src-tauri/src/core/wad/extractor.rs b/src-tauri/src/core/wad/extractor.rs
index 976e3af..078926b 100644
--- a/src-tauri/src/core/wad/extractor.rs
+++ b/src-tauri/src/core/wad/extractor.rs
@@ -1,12 +1,12 @@
 use crate::{
-    core::{
-        league_file::{get_extension_from_league_file_kind, identify_league_file, LeagueFileKind},
-        wad::{WadChunk, WadDecoder},
+    core::league_file::{
+        get_extension_from_league_file_kind, identify_league_file, LeagueFileKind,
     },
     state::WadHashtable,
 };
 use color_eyre::eyre::{self, Ok};
 use eyre::Context;
+use league_toolkit::core::wad::{WadChunk, WadDecoder};
 use std::{
     collections::HashMap,
     ffi::OsStr,
diff --git a/src-tauri/src/core/wad/mod.rs b/src-tauri/src/core/wad/mod.rs
index 1ce96d4..48cda98 100644
--- a/src-tauri/src/core/wad/mod.rs
+++ b/src-tauri/src/core/wad/mod.rs
@@ -1,237 +1,5 @@
-use byteorder::{ReadBytesExt, LE};
-use flate2::read::GzDecoder;
-use memchr::memmem;
-use num_enum::{IntoPrimitive, TryFromPrimitive};
-use std::{
-    collections::HashMap,
-    io::{BufReader, Read, Seek, SeekFrom},
-    vec,
-};
-
-mod error;
 mod extractor;
+
 pub mod tree;
 
-pub use error::*;
 pub use extractor::*;
-
-#[derive(Debug)]
-pub struct Wad<TSource: Read + Seek> {
-    chunks: HashMap<u64, WadChunk>,
-    source: TSource,
-}
-
-#[derive(Clone, Copy, Debug, PartialEq, Eq)]
-pub struct WadChunk {
-    path_hash: u64,
-    data_offset: usize,
-    compressed_size: usize,
-    uncompressed_size: usize,
-    compression_type: WadChunkCompression,
-    is_duplicated: bool,
-    frame_count: u8,
-    start_frame: u16,
-    checksum: u64,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, TryFromPrimitive, IntoPrimitive)]
-#[repr(u8)]
-pub enum WadChunkCompression {
-    None = 0,
-    GZip = 1,
-    Satellite = 2,
-    Zstd = 3,
-    ZstdMulti = 4,
-}
-
-const ZSTD_MAGIC: [u8; 4] = [0x28, 0xB5, 0x2F, 0xFD];
-
-impl<TSource: Read + Seek> Wad<TSource> {
-    pub fn chunks(&self) -> &HashMap<u64, WadChunk> {
-        &self.chunks
-    }
-
-    pub fn mount(mut source: TSource) -> Result<Wad<TSource>, WadError> {
-        let mut reader = BufReader::new(&mut source);
-
-        // 0x5752 = "RW"
-        let magic = reader.read_u16::<LE>()?;
-        if magic != 0x5752 {
-            return Err(WadError::InvalidHeader {
-                expected: String::from("RW"),
-                actual: format!("0x{:x}", magic),
-            });
-        }
-
-        let major = reader.read_u8()?;
-        let minor = reader.read_u8()?;
-        if major > 3 {
-            return Err(WadError::InvalidVersion { major, minor });
-        }
-
-        if major == 2 {
-            let _ecdsa_length = reader.seek(SeekFrom::Current(1))?;
-            let _ecdsa_signature = reader.seek(SeekFrom::Current(83))?;
-            let _data_checksum = reader.seek(SeekFrom::Current(8))?;
-        } else if major == 3 {
-            let _ecdsa_signature = reader.seek(SeekFrom::Current(256))?;
-            let _data_checksum = reader.seek(SeekFrom::Current(8))?;
-        }
-
-        if major == 1 || major == 2 {
-            let _toc_start_offset = reader.seek(SeekFrom::Current(2))?;
-            let _toc_chunk_size = reader.seek(SeekFrom::Current(2))?;
-        }
-
-        let chunk_count = reader.read_i32::<LE>()? as usize;
-        let mut chunks = HashMap::<u64, WadChunk>::with_capacity(chunk_count);
-        for _ in 0..chunk_count {
-            let chunk = WadChunk::read(&mut reader).expect("failed to read chunk");
-            chunks
-                .insert(chunk.path_hash(), chunk)
-                .map_or(Ok(()), |chunk| {
-                    Err(WadError::DuplicateChunk {
-                        path_hash: chunk.path_hash(),
-                    })
-                })?;
-        }
-
-        Ok(Wad { chunks, source })
-    }
-
-    pub fn decode<'wad>(&'wad mut self) -> (WadDecoder<'wad, TSource>, &HashMap<u64, WadChunk>) {
-        (
-            WadDecoder {
-                source: &mut self.source,
-            },
-            &self.chunks,
-        )
-    }
-}
-
-impl WadChunk {
-    fn read<R: Read>(reader: &mut BufReader<R>) -> Result<WadChunk, WadError> {
-        let path_hash = reader.read_u64::<LE>()?;
-        let data_offset = reader.read_u32::<LE>()? as usize;
-        let compressed_size = reader.read_i32::<LE>()? as usize;
-        let uncompressed_size = reader.read_i32::<LE>()? as usize;
-
-        let type_frame_count = reader.read_u8()?;
-        let frame_count = type_frame_count >> 4;
-        let compression_type = WadChunkCompression::try_from_primitive(type_frame_count & 0xF)
-            .expect("failed to read chunk compression");
-
-        let is_duplicated = reader.read_u8()? == 1;
-        let start_frame = reader.read_u16::<LE>()?;
-        let checksum = reader.read_u64::<LE>()?;
-
-        Ok(WadChunk {
-            path_hash,
-            data_offset,
-            compressed_size,
-            uncompressed_size,
-            compression_type,
-            is_duplicated,
-            frame_count,
-            start_frame,
-            checksum,
-        })
-    }
-
-    pub fn path_hash(&self) -> u64 {
-        self.path_hash
-    }
-    pub fn data_offset(&self) -> usize {
-        self.data_offset
-    }
-    pub fn compressed_size(&self) -> usize {
-        self.compressed_size
-    }
-    pub fn uncompressed_size(&self) -> usize {
-        self.uncompressed_size
-    }
-    pub fn compression_type(&self) -> WadChunkCompression {
-        self.compression_type
-    }
-    pub fn checksum(&self) -> u64 {
-        self.checksum
-    }
-}
-
-pub struct WadDecoder<'wad, TSource: Read + Seek> {
-    source: &'wad mut TSource,
-}
-
-impl<'wad, TSource> WadDecoder<'wad, TSource>
-where
-    TSource: Read + Seek,
-{
-    pub fn load_chunk_raw(&mut self, chunk: &WadChunk) -> Result<Box<[u8]>, WadError> {
-        let mut data = vec![0; chunk.compressed_size];
-
-        self.source
-            .seek(SeekFrom::Start(chunk.data_offset as u64))?;
-        self.source.read_exact(&mut data)?;
-
-        Ok(data.into_boxed_slice())
-    }
-    pub fn load_chunk_decompressed(&mut self, chunk: &WadChunk) -> Result<Box<[u8]>, WadError> {
-        match chunk.compression_type {
-            WadChunkCompression::None => self.load_chunk_raw(chunk),
-            WadChunkCompression::GZip => self.decode_gzip_chunk(chunk),
-            WadChunkCompression::Satellite => Err(WadError::Other(String::from(
-                "satellite chunks are not supported",
-            ))),
-            WadChunkCompression::Zstd => self.decode_zstd_chunk(chunk),
-            WadChunkCompression::ZstdMulti => self.decode_zstd_multi_chunk(chunk),
-        }
-    }
-
-    fn decode_gzip_chunk(&mut self, chunk: &WadChunk) -> Result<Box<[u8]>, WadError> {
-        self.source
-            .seek(SeekFrom::Start(chunk.data_offset as u64))?;
-
-        let mut data = vec![0; chunk.uncompressed_size];
-        GzDecoder::new(&mut self.source).read_exact(&mut data)?;
-
-        Ok(data.into_boxed_slice())
-    }
-    fn decode_zstd_chunk(&mut self, chunk: &WadChunk) -> Result<Box<[u8]>, WadError> {
-        self.source
-            .seek(SeekFrom::Start(chunk.data_offset as u64))?;
-
-        let mut data: Vec<u8> = vec![0; chunk.uncompressed_size];
-        zstd::Decoder::new(&mut self.source)
-            .expect("failed to create zstd decoder")
-            .read_exact(&mut data)?;
-
-        Ok(data.into_boxed_slice())
-    }
-    fn decode_zstd_multi_chunk(&mut self, chunk: &WadChunk) -> Result<Box<[u8]>, WadError> {
-        let raw_data = self.load_chunk_raw(chunk)?;
-        let mut data: Vec<u8> = vec![0; chunk.uncompressed_size];
-
-        let zstd_magic_offset =
-            memmem::find(&raw_data, &ZSTD_MAGIC).ok_or(WadError::DecompressionFailure {
-                path_hash: chunk.path_hash,
-                reason: String::from("failed to find zstd magic"),
-            })?;
-
-        // copy raw uncompressed data which exists before first zstd frame
-        for (i, value) in raw_data[0..zstd_magic_offset].iter().enumerate() {
-            data[i] = *value;
-        }
-
-        // seek to start of first zstd frame
-        self.source.seek(SeekFrom::Start(
-            (chunk.data_offset + zstd_magic_offset) as u64,
-        ))?;
-
-        // decode zstd data
-        zstd::Decoder::new(&mut self.source)
-            .expect("failed to create zstd decoder")
-            .read_exact(&mut data[zstd_magic_offset..])?;
-
-        Ok(data.into_boxed_slice())
-    }
-}
diff --git a/src-tauri/src/core/wad/tree/mod.rs b/src-tauri/src/core/wad/tree/mod.rs
index 6d95b27..e6fa039 100644
--- a/src-tauri/src/core/wad/tree/mod.rs
+++ b/src-tauri/src/core/wad/tree/mod.rs
@@ -1,5 +1,4 @@
 use std::{
-    clone,
     collections::HashMap,
     io::{Read, Seek},
     path::{self, Path, PathBuf},
@@ -7,6 +6,7 @@ use std::{
 };
 
 use itertools::Itertools;
+use league_toolkit::core::wad::{Wad, WadChunk, WadDecoder, WadError};
 use thiserror::Error;
 use tracing::info;
 use uuid::Uuid;
@@ -17,14 +17,11 @@ pub use item::*;
 
 use crate::{
     core::league_file::{
-        get_extension_from_league_file_kind, get_league_file_kind_from_extension,
-        identify_league_file, LeagueFileKind,
+        get_extension_from_league_file_kind, identify_league_file, LeagueFileKind,
     },
     state::WadHashtable,
 };
 
-use super::{Wad, WadChunk, WadDecoder, WadError};
-
 #[derive(Error, Debug)]
 pub enum WadTreeError {
     #[error("invalid item name (chunk_path: {chunk_path:#0x})")]
diff --git a/src-tauri/src/error.rs b/src-tauri/src/error.rs
index 99aef24..927724a 100644
--- a/src-tauri/src/error.rs
+++ b/src-tauri/src/error.rs
@@ -11,7 +11,7 @@ pub enum Error {
     #[error("http error: {0}")]
     Http(#[from] reqwest::Error),
     #[error("wad error: {0}")]
-    Wad(#[from] crate::core::wad::WadError),
+    Wad(#[from] league_toolkit::core::wad::WadError),
     #[error("error: {0}")]
     Other(#[from] Box<dyn std::error::Error + Send + Sync + 'static>),
 }
diff --git a/src-tauri/src/state/mounted_wads.rs b/src-tauri/src/state/mounted_wads.rs
index 29a4ea9..2f47b59 100644
--- a/src-tauri/src/state/mounted_wads.rs
+++ b/src-tauri/src/state/mounted_wads.rs
@@ -1,14 +1,12 @@
 use indexmap::IndexMap;
+use league_toolkit::core::wad::Wad;
 use parking_lot::Mutex;
 use std::{collections::HashMap, fs::File, sync::Arc};
 
 use tracing::info;
 use uuid::Uuid;
 
-use crate::core::wad::{
-    tree::{WadTree, WadTreeError},
-    Wad,
-};
+use crate::core::wad::tree::{WadTree, WadTreeError};
 
 use super::WadHashtable;