diff --git a/Cargo.lock b/Cargo.lock
index faf4956..f7611cb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,23 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "adler2"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
+
+[[package]]
+name = "aes"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b169f7a6d4742236a0a00c541b845991d0ac43e546831af1249753ab4c3aa3a0"
+dependencies = [
+ "cfg-if",
+ "cipher",
+ "cpufeatures",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.21"
@@ -58,6 +75,51 @@ version = "1.0.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a23eb6b1614318a8071c9b2521f36b424b2c83db5eb3a0fead4a6c0809af6e61"
 
+[[package]]
+name = "arbitrary"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3d036a3c4ab069c7b410a2ce876bd74808d2d0888a82667669f8e783a898bf1"
+dependencies = [
+ "derive_arbitrary",
+]
+
+[[package]]
+name = "autocfg"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
+
+[[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 = "bumpalo"
 version = "3.19.1"
@@ -70,6 +132,37 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
+[[package]]
+name = "bzip2"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49ecfb22d906f800d4fe833b6282cf4dc1c298f5057ca0b5445e5c209735ca47"
+dependencies = [
+ "bzip2-sys",
+]
+
+[[package]]
+name = "bzip2-sys"
+version = "0.1.13+1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "225bff33b2141874fe80d71e07d6eec4f85c5c216453dd96388240f96e1acc14"
+dependencies = [
+ "cc",
+ "pkg-config",
+]
+
+[[package]]
+name = "cc"
+version = "1.2.56"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aebf35691d1bfb0ac386a69bac2fde4dd276fb618cf8bf4f5318fe285e821bb2"
+dependencies = [
+ "find-msvc-tools",
+ "jobserver",
+ "libc",
+ "shlex",
+]
+
 [[package]]
 name = "cfb"
 version = "0.7.3"
@@ -87,6 +180,25 @@ 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 = "cipher"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
+dependencies = [
+ "crypto-common",
+ "inout",
+]
+
 [[package]]
 name = "clap"
 version = "4.5.54"
@@ -146,6 +258,45 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "constant_time_eq"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c74b8349d32d297c9134b8c88677813a227df8f779daa29bfc29c183fe3dca6"
+
+[[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"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9481c1c90cbf2ac953f07c8d4a58aa3945c425b7185c9154d67a65e4230da511"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "crossbeam"
 version = "0.8.4"
@@ -202,6 +353,64 @@ version = "0.8.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
 
+[[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 = "deflate64"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "807800ff3288b621186fe0a8f3392c4652068257302709c24efd918c3dffcdc2"
+
+[[package]]
+name = "deranged"
+version = "0.5.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7cd812cc2bc1d69d4764bd80df88b4317eaef9e773c75226407d9bc0876b211c"
+dependencies = [
+ "powerfmt",
+]
+
+[[package]]
+name = "derive_arbitrary"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e567bd82dcff979e4b03460c307b3cdc9e96fde3d73bed1496d2bc75d9dd62a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer",
+ "crypto-common",
+ "subtle",
+]
+
+[[package]]
+name = "displaydoc"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "either"
 version = "1.15.0"
@@ -214,18 +423,121 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34aa73646ffb006b8f5147f3dc182bd4bcb190227ce861fc4a4844bf8e3cb2c0"
 
+[[package]]
+name = "equivalent"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
+
+[[package]]
+name = "errno"
+version = "0.3.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
+dependencies = [
+ "libc",
+ "windows-sys 0.61.2",
+]
+
+[[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"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5baebc0774151f905a1a2cc41989300b1e6fbb29aff0ceffa1064fdd3088d582"
+
+[[package]]
+name = "flate2"
+version = "1.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "843fba2746e448b37e26a819579957415c8cef339bf08564fe8b7ddbd959573c"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[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 = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "libc",
+ "r-efi",
+ "wasip2",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.16.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
+
 [[package]]
 name = "heck"
 version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
+[[package]]
+name = "hmac"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
+dependencies = [
+ "digest",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7714e70437a7dc3ac8eb7e6f8df75fd8eb422675fc7678aff7364301092b1017"
+dependencies = [
+ "equivalent",
+ "hashbrown",
+]
+
 [[package]]
 name = "indicatif"
 version = "0.17.11"
@@ -248,6 +560,15 @@ dependencies = [
  "cfb",
 ]
 
+[[package]]
+name = "inout"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "879f10e63c20629ecabbb64a8010319738c66a5cd0c29b02d63d272b03751d01"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "is_terminal_polyfill"
 version = "1.70.2"
@@ -263,6 +584,16 @@ dependencies = [
  "either",
 ]
 
+[[package]]
+name = "jobserver"
+version = "0.1.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9afb3de4395d6b3e67a780b6de64b51c978ecf11cb9a462c66be7d4ca9039d33"
+dependencies = [
+ "getrandom",
+ "libc",
+]
+
 [[package]]
 name = "js-sys"
 version = "0.3.83"
@@ -289,6 +620,101 @@ version = "0.2.180"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bcc35a38544a891a5f7c865aca548a982ccb3b8650a5b06d0fd33a10283c56fc"
 
+[[package]]
+name = "libredox"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1744e39d1d6a9948f4f388969627434e31128196de472883b39f148769bfe30a"
+dependencies = [
+ "bitflags",
+ "libc",
+ "plain",
+ "redox_syscall",
+]
+
+[[package]]
+name = "linux-raw-sys"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df1d3c3b53da64cf5760482273a98e575c651a67eec7f77df96b5b642de8f039"
+
+[[package]]
+name = "log"
+version = "0.4.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897"
+
+[[package]]
+name = "lzma-rs"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "297e814c836ae64db86b36cf2a557ba54368d03f6afcd7d947c266692f71115e"
+dependencies = [
+ "byteorder",
+ "crc",
+]
+
+[[package]]
+name = "lzma-rust"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5baab2bbbd7d75a144d671e9ff79270e903957d92fb7386fd39034c709bd2661"
+dependencies = [
+ "byteorder",
+]
+
+[[package]]
+name = "lzma-sys"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fda04ab3764e6cde78b9974eec4f779acaba7c4e84b36eca3cf77c581b85d27"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+]
+
+[[package]]
+name = "memchr"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
+
+[[package]]
+name = "miniz_oxide"
+version = "0.8.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fa76a2c86f704bdb222d66965fb3d63269ce38518b83cb0575fca855ebb6316"
+dependencies = [
+ "adler2",
+ "simd-adler32",
+]
+
+[[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"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf97ec579c3c42f953ef76dbf8d55ac91fb219dde70e49aa4a6b7d74e9919050"
+
+[[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "number_prefix"
 version = "0.4.0"
@@ -307,12 +733,40 @@ version = "1.70.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "384b8ab6d37215f3c5301a95a4accb5d64aa607f1fcb26a11b5303878451b4fe"
 
+[[package]]
+name = "pbkdf2"
+version = "0.12.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8ed6a7761f76e3b9f92dfb0a60a6a6477c61024b775147ff0973a02653abaf2"
+dependencies = [
+ "digest",
+ "hmac",
+]
+
+[[package]]
+name = "pkg-config"
+version = "0.3.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7edddbd0b52d732b21ad9a5fab5c704c14cd949e5e9a1ec5929a24fded1b904c"
+
+[[package]]
+name = "plain"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4596b6d070b27117e987119b4dac604f3c58cfb0b191112e24771b2faeac1a6"
+
 [[package]]
 name = "portable-atomic"
 version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f89776e4d69bb58bc6993e99ffa1d11f228b839984854c7daeb5d37f87cbe950"
 
+[[package]]
+name = "powerfmt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.105"
@@ -331,6 +785,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "r-efi"
+version = "5.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
+
 [[package]]
 name = "rayon"
 version = "1.11.0"
@@ -351,29 +811,132 @@ 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 = "rustix"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "146c9e247ccc180c1f61615433868c99f3de3ae256a30a43b49f67c2d9171f34"
+dependencies = [
+ "bitflags",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "rustversion"
 version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
 
+[[package]]
+name = "serde_core"
+version = "1.0.228"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.228"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[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 = "sha1"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3bf829a2d51ab4a5ddf1352d8470c140cadc8301b2ae1789db023f01cedd6ba"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
+[[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"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+
+[[package]]
+name = "simd-adler32"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e320a6c5ad31d271ad523dcf3ad13e2767ad8b1cb8f047f75a8aeaf8da139da2"
+
 [[package]]
 name = "strsim"
 version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
+[[package]]
+name = "subtle"
+version = "2.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
+
 [[package]]
 name = "sumdir"
 version = "0.3.0"
 dependencies = [
  "anyhow",
  "clap",
+ "flate2",
  "indicatif",
  "infer",
  "itertools",
  "jwalk",
  "rayon",
+ "sevenz-rust",
+ "tar",
+ "zip",
 ]
 
 [[package]]
@@ -387,6 +950,73 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "tar"
+version = "0.4.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d863878d212c87a19c1a610eb53bb01fe12951c0501cf5a0d65f724914a667a"
+dependencies = [
+ "filetime",
+ "libc",
+ "xattr",
+]
+
+[[package]]
+name = "thiserror"
+version = "2.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4288b5bcbc7920c07a1149a35cf9590a2aa808e0bc1eafaade0b80947865fbc4"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "2.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebc4ee7f67670e9b64d05fa4253e753e016c6c95ff35b89b7941d6b856dec1d5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "time"
+version = "0.3.47"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "743bd48c283afc0388f9b8827b976905fb217ad9e647fae3a379a9283c4def2c"
+dependencies = [
+ "deranged",
+ "num-conv",
+ "powerfmt",
+ "serde_core",
+ "time-core",
+ "time-macros",
+]
+
+[[package]]
+name = "time-core"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7694e1cfe791f8d31026952abf09c69ca6f6fa4e1a1229e18988f06a04a12dca"
+
+[[package]]
+name = "time-macros"
+version = "0.2.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e70e4c5a0e0a8a4823ad65dfe1a6930e4f4d756dcd9dd7939022b5e8c501215"
+dependencies = [
+ "num-conv",
+ "time-core",
+]
+
+[[package]]
+name = "typenum"
+version = "1.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "562d481066bde0658276a35467c4af00bdc6ee726305698a55b86e61d7ad82bb"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.22"
@@ -415,6 +1045,21 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "version_check"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
+
+[[package]]
+name = "wasip2"
+version = "1.0.2+wasi-0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9517f9239f02c069db75e65f174b3da828fe5f5b945c4dd26bd25d89c03ebcf5"
+dependencies = [
+ "wit-bindgen",
+]
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.106"
@@ -476,6 +1121,15 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
 
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.59.0"
@@ -557,3 +1211,118 @@ name = "windows_x86_64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
+[[package]]
+name = "wit-bindgen"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5"
+
+[[package]]
+name = "xattr"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32e45ad4206f6d2479085147f02bc2ef834ac85886624a23575ae137c8aa8156"
+dependencies = [
+ "libc",
+ "rustix",
+]
+
+[[package]]
+name = "xz2"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388c44dc09d76f1536602ead6d325eb532f5c122f17782bd57fb47baeeb767e2"
+dependencies = [
+ "lzma-sys",
+]
+
+[[package]]
+name = "zeroize"
+version = "1.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b97154e67e32c85465826e8bcc1c59429aaaf107c1e4a9e53c8d8ccd5eff88d0"
+dependencies = [
+ "zeroize_derive",
+]
+
+[[package]]
+name = "zeroize_derive"
+version = "1.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85a5b4158499876c763cb03bc4e49185d3cccbabb15b33c627f7884f43db852e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "zip"
+version = "2.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fabe6324e908f85a1c52063ce7aa26b68dcb7eb6dbc83a2d148403c9bc3eba50"
+dependencies = [
+ "aes",
+ "arbitrary",
+ "bzip2",
+ "constant_time_eq",
+ "crc32fast",
+ "crossbeam-utils",
+ "deflate64",
+ "displaydoc",
+ "flate2",
+ "getrandom",
+ "hmac",
+ "indexmap",
+ "lzma-rs",
+ "memchr",
+ "pbkdf2",
+ "sha1",
+ "thiserror",
+ "time",
+ "xz2",
+ "zeroize",
+ "zopfli",
+ "zstd",
+]
+
+[[package]]
+name = "zopfli"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f05cd8797d63865425ff89b5c4a48804f35ba0ce8d125800027ad6017d2b5249"
+dependencies = [
+ "bumpalo",
+ "crc32fast",
+ "log",
+ "simd-adler32",
+]
+
+[[package]]
+name = "zstd"
+version = "0.13.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e91ee311a569c327171651566e07972200e76fcfe2242a4fa446149a3881c08a"
+dependencies = [
+ "zstd-safe",
+]
+
+[[package]]
+name = "zstd-safe"
+version = "7.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f49c4d5f0abb602a93fb8736af2a4f4dd9512e36f7f570d66e65ff867ed3b9d"
+dependencies = [
+ "zstd-sys",
+]
+
+[[package]]
+name = "zstd-sys"
+version = "2.0.16+zstd.1.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91e19ebc2adc8f83e43039e79776e3fda8ca919132d68a1fed6a5faca2683748"
+dependencies = [
+ "cc",
+ "pkg-config",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 6fed952..aace93a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,11 +9,15 @@ description = "summarize a directory by file type frequency"
 [dependencies]
 anyhow = "1.0"
 clap = { version = "4.5", features = ["derive"] }
+flate2 = "1"
 indicatif = "0.17"
 infer = "0.19"
 itertools = "0.14.0"
 jwalk = "0.8"
 rayon = "1"
+sevenz-rust = "0.6"
+tar = "0.4"
+zip = "2"
 
 [lints.clippy]
 unwrap_used = "deny"
diff --git a/src/main.rs b/src/main.rs
index 6b54faf..8371326 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,8 +1,11 @@
+use flate2::read::GzDecoder;
 use jwalk::WalkDir;
 use rayon::prelude::*;
 use std::fs::File;
 use std::io::Read;
+use std::path::Path;
 use std::{collections::BTreeMap, path::PathBuf};
+use tar::Archive as TarArchive;
 
 use anyhow::{Context, Result};
 use clap::Parser;
@@ -135,6 +138,162 @@ fn detect_mimetype(path: &std::path::Path) -> Result<String> {
     Ok("application/octet-stream".to_string())
 }
 
+fn is_archive_extension(ext: &str) -> bool {
+    matches!(ext, "zip" | "tar" | "gz" | "tgz" | "7z")
+}
+
+/// Process a virtual file entry from inside an archive (by name and first bytes for detection).
+fn process_virtual_entry(name: &str, data: &[u8], report: &mut Report) {
+    let ext = Path::new(name)
+        .extension()
+        .and_then(|e| e.to_str())
+        .unwrap_or("")
+        .to_string();
+    report
+        .extensions
+        .entry(ext)
+        .and_modify(|c| *c += 1)
+        .or_insert(1);
+    let mimetype = infer::get(data)
+        .map(|k| k.mime_type().to_string())
+        .unwrap_or_else(|| "application/octet-stream".to_string());
+    report
+        .mimetypes
+        .entry(mimetype)
+        .and_modify(|c| *c += 1)
+        .or_insert(1);
+}
+
+fn scan_zip_contents(path: &Path, report: &mut Report) -> Result<()> {
+    let file = File::open(path).with_context(|| format!("failed to open {path:?}"))?;
+    let mut archive =
+        zip::ZipArchive::new(file).with_context(|| format!("failed to read zip {path:?}"))?;
+    for i in 0..archive.len() {
+        let mut entry = archive
+            .by_index(i)
+            .with_context(|| format!("failed to read zip entry {i} in {path:?}"))?;
+        if entry.is_dir() {
+            continue;
+        }
+        let name = entry.name().to_string();
+        let mut buffer = [0u8; 8192];
+        let bytes_read = Read::read(&mut entry, &mut buffer).unwrap_or(0);
+        process_virtual_entry(&name, &buffer[..bytes_read], report);
+    }
+    Ok(())
+}
+
+fn scan_tar_contents(path: &Path, report: &mut Report) -> Result<()> {
+    let file = File::open(path).with_context(|| format!("failed to open {path:?}"))?;
+    let mut archive = TarArchive::new(file);
+    for entry_result in archive
+        .entries()
+        .with_context(|| format!("failed to read tar entries in {path:?}"))?
+    {
+        let mut entry =
+            entry_result.with_context(|| format!("failed to read tar entry in {path:?}"))?;
+        if !entry.header().entry_type().is_file() {
+            continue;
+        }
+        let name = entry
+            .path()
+            .with_context(|| "failed to get tar entry path")?
+            .to_string_lossy()
+            .to_string();
+        let mut buffer = [0u8; 8192];
+        let bytes_read = Read::read(&mut entry, &mut buffer).unwrap_or(0);
+        process_virtual_entry(&name, &buffer[..bytes_read], report);
+    }
+    Ok(())
+}
+
+fn scan_gz_contents(path: &Path, report: &mut Report) -> Result<()> {
+    // Attempt to read as tar.gz first; fall back to single compressed file on failure.
+    let file = File::open(path).with_context(|| format!("failed to open {path:?}"))?;
+    let decoder = GzDecoder::new(file);
+    let mut archive = TarArchive::new(decoder);
+
+    let mut entries_processed = 0usize;
+    let mut first_error: Option<anyhow::Error> = None;
+
+    match archive.entries() {
+        Err(e) => first_error = Some(anyhow::Error::from(e)),
+        Ok(entries) => {
+            for entry_result in entries {
+                match entry_result {
+                    Err(e) => {
+                        if entries_processed == 0 {
+                            first_error = Some(anyhow::Error::from(e));
+                        }
+                        break;
+                    }
+                    Ok(mut entry) => {
+                        if entry.header().entry_type().is_file() {
+                            let name = entry
+                                .path()
+                                .map(|p| p.to_string_lossy().to_string())
+                                .unwrap_or_default();
+                            let mut buffer = [0u8; 8192];
+                            let bytes_read = Read::read(&mut entry, &mut buffer).unwrap_or(0);
+                            process_virtual_entry(&name, &buffer[..bytes_read], report);
+                            entries_processed += 1;
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    if entries_processed == 0 && first_error.is_some() {
+        // Not a tar.gz — treat as a single gzip-compressed file.
+        let file = File::open(path).with_context(|| format!("failed to open {path:?}"))?;
+        let mut decoder = GzDecoder::new(file);
+        let inner_name = path
+            .file_stem()
+            .and_then(|s| s.to_str())
+            .unwrap_or("unknown");
+        let mut buffer = [0u8; 8192];
+        let bytes_read = Read::read(&mut decoder, &mut buffer).unwrap_or(0);
+        process_virtual_entry(inner_name, &buffer[..bytes_read], report);
+    }
+
+    Ok(())
+}
+
+fn scan_7z_contents(path: &Path, report: &mut Report) -> Result<()> {
+    let mut archive = sevenz_rust::SevenZReader::open(path, sevenz_rust::Password::empty())
+        .with_context(|| format!("failed to open 7z archive {path:?}"))?;
+    archive
+        .for_each_entries(
+            &mut |entry: &sevenz_rust::SevenZArchiveEntry, reader: &mut dyn Read| {
+                if entry.is_directory() {
+                    return Ok(true);
+                }
+                let name = entry.name().to_string();
+                let mut buffer = [0u8; 8192];
+                let bytes_read = Read::read(reader, &mut buffer).unwrap_or(0);
+                process_virtual_entry(&name, &buffer[..bytes_read], report);
+                Ok(true)
+            },
+        )
+        .with_context(|| format!("failed to read 7z entries from {path:?}"))?;
+    Ok(())
+}
+
+fn scan_archive_contents(path: &Path, report: &mut Report) -> Result<()> {
+    let ext = path
+        .extension()
+        .and_then(|e| e.to_str())
+        .unwrap_or_default();
+    match ext {
+        "zip" => scan_zip_contents(path, report),
+        "tar" => scan_tar_contents(path, report),
+        "gz" | "tgz" => scan_gz_contents(path, report),
+        "7z" => scan_7z_contents(path, report),
+        _ => Ok(()),
+    }
+}
+
 fn process_entry(path: &std::path::Path, report: &mut Report) -> Result<()> {
     let ext = path
         .extension()
@@ -150,7 +309,7 @@ fn process_entry(path: &std::path::Path, report: &mut Report) -> Result<()> {
     report.size += metadata.len();
     report
         .extensions
-        .entry(ext)
+        .entry(ext.clone())
         .and_modify(|e| *e += 1)
         .or_insert(1);
 
@@ -163,6 +322,11 @@ fn process_entry(path: &std::path::Path, report: &mut Report) -> Result<()> {
         .and_modify(|e| *e += 1)
         .or_insert(1);
 
+    if is_archive_extension(&ext) {
+        scan_archive_contents(path, report)
+            .with_context(|| format!("failed to scan archive contents of {:?}", path))?;
+    }
+
     Ok(())
 }
 
@@ -185,19 +349,36 @@ fn merge_reports(mut a: Report, b: Report) -> Report {
     a
 }
 
+fn make_progress_bar(enabled: bool) -> Option<ProgressBar> {
+    if !enabled {
+        return None;
+    }
+    let progress = ProgressBar::new_spinner();
+    progress.set_style(
+        ProgressStyle::default_spinner()
+            .template("{spinner:.green} [{elapsed}] {wide_msg}")
+            .expect("failed to set progress style"),
+    );
+    progress.set_message("Scanning target...");
+    Some(progress)
+}
+
 fn scan(target: PathBuf, progress_bar: bool) -> Report {
-    let pb = if progress_bar {
-        let progress = ProgressBar::new_spinner();
-        progress.set_style(
-            ProgressStyle::default_spinner()
-                .template("{spinner:.green} [{elapsed}] {wide_msg}")
-                .expect("failed to set progress style"),
-        );
-        progress.set_message("Scanning target...");
-        Some(progress)
-    } else {
-        None
-    };
+    let pb = make_progress_bar(progress_bar);
+
+    if target.is_file() {
+        let mut report = Report::default();
+        if let Err(e) = process_entry(&target, &mut report) {
+            report.errors.push(ScanError {
+                path: target,
+                message: e.to_string(),
+            });
+        }
+        if let Some(progress) = pb {
+            progress.finish_with_message(format!("Completed with {} errors", report.errors.len()));
+        }
+        return report;
+    }
 
     let pb_fold = pb.clone();
     let report = WalkDir::new(target)
@@ -269,7 +450,8 @@ mod tests {
     fn test_with_testdata_folder() {
         let report = scan("testdata".into(), false);
         let num_files: i32 = report.extensions.values().sum();
-        assert_eq!(num_files, 27);
+        // 27 top-level files + 4 inner files (one archived.txt per archive)
+        assert_eq!(num_files, 31);
         assert_eq!(report.folders.len(), 5);
         assert_eq!(report.errors.len(), 0);
         // Verify some expected extensions
@@ -277,6 +459,48 @@ mod tests {
         assert_eq!(report.extensions.get("pdf"), Some(&1));
         assert_eq!(report.extensions.get("jpg"), Some(&1));
         assert_eq!(report.extensions.get("docx"), Some(&1));
+        // plain.txt + 4 archived.txt files (one per archive)
+        assert_eq!(report.extensions.get("txt"), Some(&5));
+    }
+
+    #[test]
+    fn test_scan_zip_archive() {
+        let report = scan("testdata/archives/sample.zip".into(), false);
+        let num_files: i32 = report.extensions.values().sum();
+        assert_eq!(num_files, 2); // 1 zip + 1 txt inside
+        assert_eq!(report.extensions.get("zip"), Some(&1));
+        assert_eq!(report.extensions.get("txt"), Some(&1));
+        assert_eq!(report.errors.len(), 0);
+    }
+
+    #[test]
+    fn test_scan_tar_archive() {
+        let report = scan("testdata/archives/sample.tar".into(), false);
+        let num_files: i32 = report.extensions.values().sum();
+        assert_eq!(num_files, 2); // 1 tar + 1 txt inside
+        assert_eq!(report.extensions.get("tar"), Some(&1));
+        assert_eq!(report.extensions.get("txt"), Some(&1));
+        assert_eq!(report.errors.len(), 0);
+    }
+
+    #[test]
+    fn test_scan_gz_archive() {
+        let report = scan("testdata/archives/sample.gz".into(), false);
+        let num_files: i32 = report.extensions.values().sum();
+        assert_eq!(num_files, 2); // 1 gz + 1 txt inside
+        assert_eq!(report.extensions.get("gz"), Some(&1));
+        assert_eq!(report.extensions.get("txt"), Some(&1));
+        assert_eq!(report.errors.len(), 0);
+    }
+
+    #[test]
+    fn test_scan_7z_archive() {
+        let report = scan("testdata/archives/sample.7z".into(), false);
+        let num_files: i32 = report.extensions.values().sum();
+        assert_eq!(num_files, 2); // 1 7z + 1 txt inside
+        assert_eq!(report.extensions.get("7z"), Some(&1));
+        assert_eq!(report.extensions.get("txt"), Some(&1));
+        assert_eq!(report.errors.len(), 0);
     }
 
     #[test]
diff --git a/testdata/archives/sample.7z b/testdata/archives/sample.7z
index 19ed822..1b652fa 100644
Binary files a/testdata/archives/sample.7z and b/testdata/archives/sample.7z differ
diff --git a/testdata/archives/sample.gz b/testdata/archives/sample.gz
index 229151a..eb40ff5 100644
Binary files a/testdata/archives/sample.gz and b/testdata/archives/sample.gz differ
diff --git a/testdata/archives/sample.tar b/testdata/archives/sample.tar
index 1230ec5..6ff09c8 100644
Binary files a/testdata/archives/sample.tar and b/testdata/archives/sample.tar differ
diff --git a/testdata/archives/sample.zip b/testdata/archives/sample.zip
index d114a34..e4a6d78 100644
Binary files a/testdata/archives/sample.zip and b/testdata/archives/sample.zip differ