diff --git a/README.md b/README.md
index ae34414..50664e2 100644
--- a/README.md
+++ b/README.md
@@ -111,9 +111,9 @@ Output:
 
 # Supported formats
 
-| Format    | `.tar` | `.zip` | `7z` | `.gz` | `.xz`, `.lzma` | `.bz`, `.bz2` | `.bz3` | `.lz4` | `.sz` (Snappy) | `.zst` | `.rar` | `.br` |
-|:---------:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|
-| Supported | ✓ | ✓¹ | ✓¹ | ✓² | ✓ | ✓ | ✓ | ✓ | ✓² | ✓² | ✓³ | ✓ |
+| Format    | `.tar` | `.zip` | `7z` | `.gz` | `.xz` | `.lzma` | `.lz` | `.bz`, `.bz2` | `.bz3` | `.lz4` | `.sz` (Snappy) | `.zst` | `.rar` | `.br` |
+|:---------:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|
+| Supported | ✓ | ✓¹ | ✓¹ | ✓² | ✓ | ✓⁴ | ✓⁴ | ✓ | ✓ | ✓ | ✓² | ✓² | ✓³ | ✓ |
 
 ✓: Supports compression and decompression.
 
@@ -122,10 +122,13 @@ Output:
 ✓²: Supported, and compression runs in parallel.
 
 ✓³: Due to RAR's restrictive license, only decompression and listing can be supported.
+
+✓⁴: Only decompression is supported, compression is not implemented yet.
+
 If you wish to exclude non-free code from your build, you can disable RAR support
 by building without the `unrar` feature.
 
-`tar` aliases are also supported: `tgz`, `tbz`, `tbz2`, `tlz4`, `txz`, `tlzma`, `tsz`, `tzst`.
+`tar` aliases are also supported: `tgz`, `tbz`, `tbz2`, `tlz4`, `txz`, `tlzma`, `tsz`, `tzst`, `tlz`.
 
 Formats can be chained:
 
diff --git a/src/cli/args.rs b/src/cli/args.rs
index b28156c..b756df5 100644
--- a/src/cli/args.rs
+++ b/src/cli/args.rs
@@ -5,7 +5,7 @@ use clap::{Parser, ValueHint};
 // Ouch command line options (docstrings below are part of --help)
 /// A command-line utility for easily compressing and decompressing files and directories.
 ///
-/// Supported formats: tar, zip, gz, 7z, xz/lzma, bz/bz2, bz3, lz4, sz (Snappy), zst, rar and br.
+/// Supported formats: tar, zip, gz, 7z, xz, lzma, lzip, bz/bz2, bz3, lz4, sz (Snappy), zst, rar and br.
 ///
 /// Repository: https://github.com/ouch-org/ouch
 #[derive(Parser, Debug, PartialEq)]
diff --git a/src/error.rs b/src/error.rs
index b3c33df..c55a13d 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -135,8 +135,8 @@ impl FinalError {
     ///
     /// This is what it looks like:
     /// ```
-    /// hint: Supported extensions are: tar, zip, bz, bz2, gz, lz4, xz, lzma, sz, zst
-    /// hint: Supported aliases are: tgz, tbz, tlz4, txz, tzlma, tsz, tzst
+    /// hint: Supported extensions are: tar, zip, bz, bz2, gz, lz4, xz, lzma, lz, sz, zst
+    /// hint: Supported aliases are: tgz, tbz, tlz4, txz, tlzma, tsz, tzst, tlz
     /// ```
     pub fn hint_all_supported_formats(self) -> Self {
         self.hint(format!("Supported extensions are: {}", PRETTY_SUPPORTED_EXTENSIONS))
diff --git a/src/extension.rs b/src/extension.rs
index 80405cf..9d4bda6 100644
--- a/src/extension.rs
+++ b/src/extension.rs
@@ -19,6 +19,7 @@ pub const SUPPORTED_EXTENSIONS: &[&str] = &[
     "lz4",
     "xz",
     "lzma",
+    "lz",
     "sz",
     "zst",
     #[cfg(feature = "unrar")]
@@ -27,14 +28,14 @@ pub const SUPPORTED_EXTENSIONS: &[&str] = &[
     "br",
 ];
 
-pub const SUPPORTED_ALIASES: &[&str] = &["tgz", "tbz", "tlz4", "txz", "tzlma", "tsz", "tzst"];
+pub const SUPPORTED_ALIASES: &[&str] = &["tgz", "tbz", "tlz4", "txz", "tlzma", "tsz", "tzst", "tlz"];
 
 #[cfg(not(feature = "unrar"))]
-pub const PRETTY_SUPPORTED_EXTENSIONS: &str = "tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, sz, zst, 7z";
+pub const PRETTY_SUPPORTED_EXTENSIONS: &str = "tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, lz, sz, zst, 7z";
 #[cfg(feature = "unrar")]
-pub const PRETTY_SUPPORTED_EXTENSIONS: &str = "tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, sz, zst, rar, 7z";
+pub const PRETTY_SUPPORTED_EXTENSIONS: &str = "tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, lz, sz, zst, rar, 7z";
 
-pub const PRETTY_SUPPORTED_ALIASES: &str = "tgz, tbz, tlz4, txz, tzlma, tsz, tzst";
+pub const PRETTY_SUPPORTED_ALIASES: &str = "tgz, tbz, tlz4, txz, tlzma, tsz, tzst, tlz";
 
 /// A wrapper around `CompressionFormat` that allows combinations like `tgz`
 #[derive(Debug, Clone)]
diff --git a/tests/integration.rs b/tests/integration.rs
index 9f870db..a3302ab 100644
--- a/tests/integration.rs
+++ b/tests/integration.rs
@@ -33,7 +33,6 @@ enum DirectoryExtension {
     Tbz3,
     Tgz,
     Tlz4,
-    Tlzma,
     Tsz,
     Txz,
     Tzst,
@@ -50,7 +49,6 @@ enum FileExtension {
     Bz3,
     Gz,
     Lz4,
-    Lzma,
     Sz,
     Xz,
     Zst,
diff --git a/tests/mime.rs b/tests/mime.rs
index bf52179..753a524 100644
--- a/tests/mime.rs
+++ b/tests/mime.rs
@@ -17,7 +17,7 @@ fn sanity_check_through_mime() {
     write_random_content(test_file, &mut SmallRng::from_entropy());
 
     let formats = [
-        "7z", "tar", "zip", "tar.gz", "tgz", "tbz", "tbz2", "txz", "tlzma", "tzst", "tar.bz", "tar.bz2", "tar.lzma",
+        "7z", "tar", "zip", "tar.gz", "tgz", "tbz", "tbz2", "txz", "tzst", "tar.bz", "tar.bz2",
         "tar.xz", "tar.zst",
     ];
 
@@ -30,12 +30,10 @@ fn sanity_check_through_mime() {
         "application/x-bzip2",
         "application/x-bzip2",
         "application/x-xz",
-        "application/x-xz",
         "application/zstd",
         "application/x-bzip2",
         "application/x-bzip2",
         "application/x-xz",
-        "application/x-xz",
         "application/zstd",
     ];
 
diff --git a/tests/snapshots/ui__ui_test_err_decompress_missing_extension_with_rar-1.snap b/tests/snapshots/ui__ui_test_err_decompress_missing_extension_with_rar-1.snap
index 61ffed6..37b1add 100644
--- a/tests/snapshots/ui__ui_test_err_decompress_missing_extension_with_rar-1.snap
+++ b/tests/snapshots/ui__ui_test_err_decompress_missing_extension_with_rar-1.snap
@@ -6,8 +6,8 @@ expression: "run_ouch(\"ouch decompress a\", dir)"
  - Files with missing extensions: <TMP_DIR>/a
  - Decompression formats are detected automatically from file extension
 
-hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, sz, zst, rar, 7z
-hint: Supported aliases are: tgz, tbz, tlz4, txz, tzlma, tsz, tzst
+hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, lz, sz, zst, rar, 7z
+hint: Supported aliases are: tgz, tbz, tlz4, txz, tlzma, tsz, tzst, tlz
 hint: 
 hint: Alternatively, you can pass an extension to the '--format' flag:
 hint:   ouch decompress <TMP_DIR>/a --format tar.gz
diff --git a/tests/snapshots/ui__ui_test_err_decompress_missing_extension_with_rar-2.snap b/tests/snapshots/ui__ui_test_err_decompress_missing_extension_with_rar-2.snap
index fe1bbf9..20516bf 100644
--- a/tests/snapshots/ui__ui_test_err_decompress_missing_extension_with_rar-2.snap
+++ b/tests/snapshots/ui__ui_test_err_decompress_missing_extension_with_rar-2.snap
@@ -7,5 +7,5 @@ expression: "run_ouch(\"ouch decompress a b.unknown\", dir)"
  - Files with missing extensions: <TMP_DIR>/a
  - Decompression formats are detected automatically from file extension
 
-hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, sz, zst, rar, 7z
-hint: Supported aliases are: tgz, tbz, tlz4, txz, tzlma, tsz, tzst
+hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, lz, sz, zst, rar, 7z
+hint: Supported aliases are: tgz, tbz, tlz4, txz, tlzma, tsz, tzst, tlz
diff --git a/tests/snapshots/ui__ui_test_err_decompress_missing_extension_with_rar-3.snap b/tests/snapshots/ui__ui_test_err_decompress_missing_extension_with_rar-3.snap
index 0ef66a2..50cbb0d 100644
--- a/tests/snapshots/ui__ui_test_err_decompress_missing_extension_with_rar-3.snap
+++ b/tests/snapshots/ui__ui_test_err_decompress_missing_extension_with_rar-3.snap
@@ -6,8 +6,8 @@ expression: "run_ouch(\"ouch decompress b.unknown\", dir)"
  - Files with unsupported extensions: <TMP_DIR>/b.unknown
  - Decompression formats are detected automatically from file extension
 
-hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, sz, zst, rar, 7z
-hint: Supported aliases are: tgz, tbz, tlz4, txz, tzlma, tsz, tzst
+hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, lz, sz, zst, rar, 7z
+hint: Supported aliases are: tgz, tbz, tlz4, txz, tlzma, tsz, tzst, tlz
 hint: 
 hint: Alternatively, you can pass an extension to the '--format' flag:
 hint:   ouch decompress <TMP_DIR>/b.unknown --format tar.gz
diff --git a/tests/snapshots/ui__ui_test_err_decompress_missing_extension_without_rar-1.snap b/tests/snapshots/ui__ui_test_err_decompress_missing_extension_without_rar-1.snap
index 2885d83..c9f0719 100644
--- a/tests/snapshots/ui__ui_test_err_decompress_missing_extension_without_rar-1.snap
+++ b/tests/snapshots/ui__ui_test_err_decompress_missing_extension_without_rar-1.snap
@@ -6,8 +6,8 @@ expression: "run_ouch(\"ouch decompress a\", dir)"
  - Files with missing extensions: <TMP_DIR>/a
  - Decompression formats are detected automatically from file extension
 
-hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, sz, zst, 7z
-hint: Supported aliases are: tgz, tbz, tlz4, txz, tzlma, tsz, tzst
+hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, lz, sz, zst, 7z
+hint: Supported aliases are: tgz, tbz, tlz4, txz, tlzma, tsz, tzst, tlz
 hint: 
 hint: Alternatively, you can pass an extension to the '--format' flag:
 hint:   ouch decompress <TMP_DIR>/a --format tar.gz
diff --git a/tests/snapshots/ui__ui_test_err_decompress_missing_extension_without_rar-2.snap b/tests/snapshots/ui__ui_test_err_decompress_missing_extension_without_rar-2.snap
index 9cdcbd6..cc7dcaf 100644
--- a/tests/snapshots/ui__ui_test_err_decompress_missing_extension_without_rar-2.snap
+++ b/tests/snapshots/ui__ui_test_err_decompress_missing_extension_without_rar-2.snap
@@ -7,5 +7,5 @@ expression: "run_ouch(\"ouch decompress a b.unknown\", dir)"
  - Files with missing extensions: <TMP_DIR>/a
  - Decompression formats are detected automatically from file extension
 
-hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, sz, zst, 7z
-hint: Supported aliases are: tgz, tbz, tlz4, txz, tzlma, tsz, tzst
+hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, lz, sz, zst, 7z
+hint: Supported aliases are: tgz, tbz, tlz4, txz, tlzma, tsz, tzst, tlz
diff --git a/tests/snapshots/ui__ui_test_err_decompress_missing_extension_without_rar-3.snap b/tests/snapshots/ui__ui_test_err_decompress_missing_extension_without_rar-3.snap
index 5e57d8b..ebf00d5 100644
--- a/tests/snapshots/ui__ui_test_err_decompress_missing_extension_without_rar-3.snap
+++ b/tests/snapshots/ui__ui_test_err_decompress_missing_extension_without_rar-3.snap
@@ -6,8 +6,8 @@ expression: "run_ouch(\"ouch decompress b.unknown\", dir)"
  - Files with unsupported extensions: <TMP_DIR>/b.unknown
  - Decompression formats are detected automatically from file extension
 
-hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, sz, zst, 7z
-hint: Supported aliases are: tgz, tbz, tlz4, txz, tzlma, tsz, tzst
+hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, lz, sz, zst, 7z
+hint: Supported aliases are: tgz, tbz, tlz4, txz, tlzma, tsz, tzst, tlz
 hint: 
 hint: Alternatively, you can pass an extension to the '--format' flag:
 hint:   ouch decompress <TMP_DIR>/b.unknown --format tar.gz
diff --git a/tests/snapshots/ui__ui_test_err_format_flag_with_rar-1.snap b/tests/snapshots/ui__ui_test_err_format_flag_with_rar-1.snap
index 5cb36e4..43277da 100644
--- a/tests/snapshots/ui__ui_test_err_format_flag_with_rar-1.snap
+++ b/tests/snapshots/ui__ui_test_err_format_flag_with_rar-1.snap
@@ -5,8 +5,8 @@ expression: "run_ouch(\"ouch compress input output --format tar.gz.unknown\", di
 [ERROR] Failed to parse `--format tar.gz.unknown`
  - Unsupported extension 'unknown'
 
-hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, sz, zst, rar, 7z
-hint: Supported aliases are: tgz, tbz, tlz4, txz, tzlma, tsz, tzst
+hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, lz, sz, zst, rar, 7z
+hint: Supported aliases are: tgz, tbz, tlz4, txz, tlzma, tsz, tzst, tlz
 hint: 
 hint: Examples:
 hint:   --format tar
diff --git a/tests/snapshots/ui__ui_test_err_format_flag_with_rar-2.snap b/tests/snapshots/ui__ui_test_err_format_flag_with_rar-2.snap
index a1196c7..43b9c08 100644
--- a/tests/snapshots/ui__ui_test_err_format_flag_with_rar-2.snap
+++ b/tests/snapshots/ui__ui_test_err_format_flag_with_rar-2.snap
@@ -5,8 +5,8 @@ expression: "run_ouch(\"ouch compress input output --format targz\", dir)"
 [ERROR] Failed to parse `--format targz`
  - Unsupported extension 'targz'
 
-hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, sz, zst, rar, 7z
-hint: Supported aliases are: tgz, tbz, tlz4, txz, tzlma, tsz, tzst
+hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, lz, sz, zst, rar, 7z
+hint: Supported aliases are: tgz, tbz, tlz4, txz, tlzma, tsz, tzst, tlz
 hint: 
 hint: Examples:
 hint:   --format tar
diff --git a/tests/snapshots/ui__ui_test_err_format_flag_with_rar-3.snap b/tests/snapshots/ui__ui_test_err_format_flag_with_rar-3.snap
index 4269a23..861fdf9 100644
--- a/tests/snapshots/ui__ui_test_err_format_flag_with_rar-3.snap
+++ b/tests/snapshots/ui__ui_test_err_format_flag_with_rar-3.snap
@@ -5,8 +5,8 @@ expression: "run_ouch(\"ouch compress input output --format .tar.$#!@.rest\", di
 [ERROR] Failed to parse `--format .tar.$#!@.rest`
  - Unsupported extension '$#!@'
 
-hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, sz, zst, rar, 7z
-hint: Supported aliases are: tgz, tbz, tlz4, txz, tzlma, tsz, tzst
+hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, lz, sz, zst, rar, 7z
+hint: Supported aliases are: tgz, tbz, tlz4, txz, tlzma, tsz, tzst, tlz
 hint: 
 hint: Examples:
 hint:   --format tar
diff --git a/tests/snapshots/ui__ui_test_err_format_flag_without_rar-1.snap b/tests/snapshots/ui__ui_test_err_format_flag_without_rar-1.snap
index cd7ccbc..b3a3b1a 100644
--- a/tests/snapshots/ui__ui_test_err_format_flag_without_rar-1.snap
+++ b/tests/snapshots/ui__ui_test_err_format_flag_without_rar-1.snap
@@ -5,8 +5,8 @@ expression: "run_ouch(\"ouch compress input output --format tar.gz.unknown\", di
 [ERROR] Failed to parse `--format tar.gz.unknown`
  - Unsupported extension 'unknown'
 
-hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, sz, zst, 7z
-hint: Supported aliases are: tgz, tbz, tlz4, txz, tzlma, tsz, tzst
+hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, lz, sz, zst, 7z
+hint: Supported aliases are: tgz, tbz, tlz4, txz, tlzma, tsz, tzst, tlz
 hint: 
 hint: Examples:
 hint:   --format tar
diff --git a/tests/snapshots/ui__ui_test_err_format_flag_without_rar-2.snap b/tests/snapshots/ui__ui_test_err_format_flag_without_rar-2.snap
index 0913264..4c1a7c0 100644
--- a/tests/snapshots/ui__ui_test_err_format_flag_without_rar-2.snap
+++ b/tests/snapshots/ui__ui_test_err_format_flag_without_rar-2.snap
@@ -5,8 +5,8 @@ expression: "run_ouch(\"ouch compress input output --format targz\", dir)"
 [ERROR] Failed to parse `--format targz`
  - Unsupported extension 'targz'
 
-hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, sz, zst, 7z
-hint: Supported aliases are: tgz, tbz, tlz4, txz, tzlma, tsz, tzst
+hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, lz, sz, zst, 7z
+hint: Supported aliases are: tgz, tbz, tlz4, txz, tlzma, tsz, tzst, tlz
 hint: 
 hint: Examples:
 hint:   --format tar
diff --git a/tests/snapshots/ui__ui_test_err_format_flag_without_rar-3.snap b/tests/snapshots/ui__ui_test_err_format_flag_without_rar-3.snap
index 7d9b12c..7cbbe2f 100644
--- a/tests/snapshots/ui__ui_test_err_format_flag_without_rar-3.snap
+++ b/tests/snapshots/ui__ui_test_err_format_flag_without_rar-3.snap
@@ -5,8 +5,8 @@ expression: "run_ouch(\"ouch compress input output --format .tar.$#!@.rest\", di
 [ERROR] Failed to parse `--format .tar.$#!@.rest`
  - Unsupported extension '$#!@'
 
-hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, sz, zst, 7z
-hint: Supported aliases are: tgz, tbz, tlz4, txz, tzlma, tsz, tzst
+hint: Supported extensions are: tar, zip, bz, bz2, bz3, gz, lz4, xz, lzma, lz, sz, zst, 7z
+hint: Supported aliases are: tgz, tbz, tlz4, txz, tlzma, tsz, tzst, tlz
 hint: 
 hint: Examples:
 hint:   --format tar
diff --git a/tests/snapshots/ui__ui_test_usage_help_flag.snap b/tests/snapshots/ui__ui_test_usage_help_flag.snap
index 6913b83..9f3f8db 100644
--- a/tests/snapshots/ui__ui_test_usage_help_flag.snap
+++ b/tests/snapshots/ui__ui_test_usage_help_flag.snap
@@ -5,7 +5,7 @@ snapshot_kind: text
 ---
 A command-line utility for easily compressing and decompressing files and directories.
 
-Supported formats: tar, zip, gz, 7z, xz/lzma, bz/bz2, bz3, lz4, sz (Snappy), zst, rar and br.
+Supported formats: tar, zip, gz, 7z, xz, lzma, lzip, bz/bz2, bz3, lz4, sz (Snappy), zst, rar and br.
 
 Repository: https://github.com/ouch-org/ouch