diff --git a/bin/smp-mbtiles.js b/bin/smp-mbtiles.js
new file mode 100644
index 0000000..364cf11
--- /dev/null
+++ b/bin/smp-mbtiles.js
@@ -0,0 +1,21 @@
+#!/usr/bin/env node
+import { Command } from 'commander'
+import { pipeline } from 'stream/promises'
+
+import fromMBTiles from '../lib/from-mbtiles.js'
+
+const program = new Command()
+
+program
+  .description('Convert a MBTiles file to a styled map package file')
+  .option('-o, --output <file>', 'output smp file')
+  .argument('<mbtiles>', 'MBTiles file to convert')
+  .action(async (mbtilesPath, { output }) => {
+    if (output) {
+      await fromMBTiles(mbtilesPath, output)
+    } else {
+      await pipeline(fromMBTiles(mbtilesPath), process.stdout)
+    }
+  })
+
+program.parseAsync(process.argv)
diff --git a/bin/smp.js b/bin/smp.js
index 772073f..3955087 100755
--- a/bin/smp.js
+++ b/bin/smp.js
@@ -7,5 +7,6 @@ program
   .name('smp')
   .command('download', 'Download a map style to a styled map package file')
   .command('view', 'Preview a styled map package in a web browser')
+  .command('mbtiles', 'Convert a MBTiles file to a styled map package file')
 
 program.parse(process.argv)
diff --git a/lib/from-mbtiles.js b/lib/from-mbtiles.js
new file mode 100644
index 0000000..b378b6a
--- /dev/null
+++ b/lib/from-mbtiles.js
@@ -0,0 +1,83 @@
+import { MBTiles } from 'mbtiles-reader'
+import SMPWriter from 'styled-map-package/writer'
+
+import fs from 'node:fs'
+import { Transform } from 'node:stream'
+import { pipeline } from 'node:stream'
+import { pipeline as pipelinePromise } from 'node:stream/promises'
+
+const SOURCE_ID = 'mbtiles-source'
+
+/**
+ * @overload
+ * @param {string} mbtilesPath
+ * @returns {import('stream').Readable}
+ */
+
+/**
+ * @overload
+ * @param {string} mbtilesPath
+ * @param {string} outputPath
+ * @returns {Promise<void>}
+ */
+
+/**
+ * @param {string} mbtilesPath
+ * @param {string} [outputPath]
+ * @returns {Promise<void> | import('stream').Readable}
+ */
+export default function fromMBTiles(mbtilesPath, outputPath) {
+  const reader = new MBTiles(mbtilesPath)
+  if (reader.metadata.format === 'pbf') {
+    throw new Error('Vector MBTiles are not yet supported')
+  }
+  const style = {
+    version: 8,
+    name: reader.metadata.name,
+    sources: {
+      [SOURCE_ID]: {
+        ...reader.metadata,
+        type: 'raster',
+      },
+    },
+    layers: [
+      {
+        id: 'background',
+        type: 'background',
+        paint: {
+          'background-color': 'white',
+        },
+      },
+      {
+        id: 'raster',
+        type: 'raster',
+        source: SOURCE_ID,
+        paint: {
+          'raster-opacity': 1,
+        },
+      },
+    ],
+  }
+
+  const writer = new SMPWriter(style)
+
+  const returnValue = outputPath
+    ? pipelinePromise(writer.outputStream, fs.createWriteStream(outputPath))
+    : writer.outputStream
+
+  const tileWriteStream = writer.createTileWriteStream()
+
+  const transform = new Transform({
+    objectMode: true,
+    transform({ z, x, y, data, format }, encoding, callback) {
+      callback(null, [data, { z, x, y, format, sourceId: SOURCE_ID }])
+    },
+  })
+
+  pipeline(reader, transform, tileWriteStream, (err) => {
+    if (err) return writer.outputStream.destroy(err)
+    writer.finish()
+  })
+
+  return returnValue
+}
diff --git a/lib/index.js b/lib/index.js
index ab9b10f..29c2f69 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -8,3 +8,4 @@ export { default as Server } from './server.js'
 export { default as StyleDownloader } from './style-downloader.js'
 export { downloadTiles } from './tile-downloader.js'
 export { default as download } from './download.js'
+export { default as fromMBTiles } from './from-mbtiles.js'
diff --git a/package-lock.json b/package-lock.json
index 7fdcac9..bac8e82 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,6 +28,7 @@
         "ky": "^1.7.1",
         "log-symbols": "^7.0.0",
         "map-obj": "^5.0.2",
+        "mbtiles-reader": "^1.0.0",
         "open": "^10.1.0",
         "ora": "^8.1.0",
         "p-event": "^6.0.1",
@@ -848,6 +849,14 @@
         "xyz": "bin/xyz.js"
       }
     },
+    "node_modules/@mapbox/tiletype": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/@mapbox/tiletype/-/tiletype-0.3.1.tgz",
+      "integrity": "sha512-jIMABS+S9wpqmCulD1whea3YJXaLEPJq7f7Dae3TrB4cFImNXsTEvKt91DOdcJWpgsV1mVxorxUiqvcVVWKxTg==",
+      "bin": {
+        "tiletype": "bin/tiletype.js"
+      }
+    },
     "node_modules/@mapbox/unitbezier": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/@mapbox/unitbezier/-/unitbezier-0.0.1.tgz",
@@ -1885,11 +1894,21 @@
         }
       ]
     },
+    "node_modules/better-sqlite3": {
+      "version": "11.5.0",
+      "resolved": "https://registry.npmjs.org/better-sqlite3/-/better-sqlite3-11.5.0.tgz",
+      "integrity": "sha512-e/6eggfOutzoK0JWiU36jsisdWoHOfN9iWiW/SieKvb7SAa6aGNmBM/UKyp+/wWSXpLlWNN8tCPwoDNPhzUvuQ==",
+      "hasInstallScript": true,
+      "license": "MIT",
+      "dependencies": {
+        "bindings": "^1.5.0",
+        "prebuild-install": "^7.1.1"
+      }
+    },
     "node_modules/bindings": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
       "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
-      "dev": true,
       "dependencies": {
         "file-uri-to-path": "1.0.0"
       }
@@ -2572,6 +2591,30 @@
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
       "dev": true
     },
+    "node_modules/decompress-response": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-6.0.0.tgz",
+      "integrity": "sha512-aW35yZM6Bb/4oJlZncMH2LCoZtJXTRxES17vE3hoRiowU2kWHaJKFkSBDnDR+cm9J+9QhXmREyIfv0pji9ejCQ==",
+      "license": "MIT",
+      "dependencies": {
+        "mimic-response": "^3.1.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/deep-extend": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
+      "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=4.0.0"
+      }
+    },
     "node_modules/deep-is": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.4.tgz",
@@ -2676,7 +2719,6 @@
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.0.3.tgz",
       "integrity": "sha512-bwy0MGW55bG41VqxxypOsdSdGqLwXPI/focwgTYCFMbdUiBAxLg9CFzG08sz2aqzknwiX7Hkl0bQENjg8iLByw==",
-      "dev": true,
       "engines": {
         "node": ">=8"
       }
@@ -2703,6 +2745,15 @@
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-10.4.0.tgz",
       "integrity": "sha512-EC+0oUMY1Rqm4O6LLrgjtYDvcVYTy7chDnM4Q7030tP4Kwj3u/pR6gP9ygnp2CJMK5Gq+9Q2oqmrFJAz01DXjw=="
     },
+    "node_modules/end-of-stream": {
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
+      "integrity": "sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==",
+      "license": "MIT",
+      "dependencies": {
+        "once": "^1.4.0"
+      }
+    },
     "node_modules/environment": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/environment/-/environment-1.1.0.tgz",
@@ -3085,6 +3136,15 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/expand-template": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/expand-template/-/expand-template-2.0.3.tgz",
+      "integrity": "sha512-XYfuKMvj4O35f/pOXLObndIRvyQ+/+6AhODh+OKWj9S9498pHHn/IMszH+gt0fBCRWMNfk1ZSp5x3AifmnI2vg==",
+      "license": "(MIT OR WTFPL)",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/extend-shallow": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
@@ -3314,8 +3374,7 @@
     "node_modules/file-uri-to-path": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
-      "integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==",
-      "dev": true
+      "integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw=="
     },
     "node_modules/fill-range": {
       "version": "7.1.1",
@@ -3423,6 +3482,12 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/fs-constants": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fs-constants/-/fs-constants-1.0.0.tgz",
+      "integrity": "sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow==",
+      "license": "MIT"
+    },
     "node_modules/fs-minipass": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-2.1.0.tgz",
@@ -3615,6 +3680,12 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/github-from-package": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmjs.org/github-from-package/-/github-from-package-0.0.0.tgz",
+      "integrity": "sha512-SyHy3T1v2NUXn29OsWdxmK6RwHD+vkj3v8en8AOBZ1wBQ/hCAQ5bAQTD02kW4W9tUp/3Qh6J8r9EvntiyCmOOw==",
+      "license": "MIT"
+    },
     "node_modules/glob": {
       "version": "10.4.5",
       "resolved": "https://registry.npmjs.org/glob/-/glob-10.4.5.tgz",
@@ -3943,6 +4014,12 @@
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
       "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
+    "node_modules/ini": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.8.tgz",
+      "integrity": "sha512-JV/yugV2uzW5iMRSiZAyDtQd+nxtUnjeLt0acNdw98kKLrvuRVyB80tsREOE7yvGVgalhZ6RNXCmEHkUKBKxew==",
+      "license": "ISC"
+    },
     "node_modules/into-stream": {
       "version": "8.0.1",
       "resolved": "https://registry.npmjs.org/into-stream/-/into-stream-8.0.1.tgz",
@@ -4705,6 +4782,22 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/mbtiles-reader": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/mbtiles-reader/-/mbtiles-reader-1.0.0.tgz",
+      "integrity": "sha512-KSjGEy/6J25RX4pqus3BNPyKo4IIlZka3iou53M4TWjaWHoAiEdFWPpzK4XEuI2oQkjJSM/tRKGMNor6yh0G+Q==",
+      "license": "MIT",
+      "dependencies": {
+        "@mapbox/sphericalmercator": "^2.0.1",
+        "@mapbox/tiletype": "0.3.x",
+        "better-sqlite3": "^11.5.0"
+      }
+    },
+    "node_modules/mbtiles-reader/node_modules/@mapbox/sphericalmercator": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/@mapbox/sphericalmercator/-/sphericalmercator-2.0.1.tgz",
+      "integrity": "sha512-k1vM33y0oGIgip01EqdrWEMZLsYj9fP3jH7PZmeSCsCuubTQGjyrOANGSsqh+JtyqydYfXk9VBUVcyabvNTYXg=="
+    },
     "node_modules/md5-hex": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/md5-hex/-/md5-hex-3.0.1.tgz",
@@ -4808,6 +4901,18 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/mimic-response": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-3.1.0.tgz",
+      "integrity": "sha512-z0yWI+4FDrrweS8Zmt4Ej5HdJmky15+L2e6Wgn3+iK5fWzb6T3fhNFq2+MeTRb064c6Wr4N/wv0DzQTjNzHNGQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/minimatch": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
@@ -4873,18 +4978,42 @@
         "node": ">=10"
       }
     },
+    "node_modules/mkdirp-classic": {
+      "version": "0.5.3",
+      "resolved": "https://registry.npmjs.org/mkdirp-classic/-/mkdirp-classic-0.5.3.tgz",
+      "integrity": "sha512-gKLcREMhtuZRwRAfqP3RFW+TK4JqApVBtOIftVgjuABpAtpxhPGaDcfvbhNvD0B8iD1oUr/txX35NjcaY6Ns/A==",
+      "license": "MIT"
+    },
     "node_modules/ms": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
       "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
       "dev": true
     },
+    "node_modules/napi-build-utils": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/napi-build-utils/-/napi-build-utils-1.0.2.tgz",
+      "integrity": "sha512-ONmRUqK7zj7DWX0D9ADe03wbwOBZxNAfF20PlGfCWQcD3+/MakShIHrMqx9YwPTfxDdF1zLeL+RGZiR9kGMLdg==",
+      "license": "MIT"
+    },
     "node_modules/natural-compare": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
       "integrity": "sha512-OWND8ei3VtNC9h7V60qff3SVobHr996CTwgxubgyQYEpg290h9J0buyECNNJexkFm5sOajh5G116RYA1c8ZMSw==",
       "dev": true
     },
+    "node_modules/node-abi": {
+      "version": "3.71.0",
+      "resolved": "https://registry.npmjs.org/node-abi/-/node-abi-3.71.0.tgz",
+      "integrity": "sha512-SZ40vRiy/+wRTf21hxkkEjPJZpARzUMVcJoQse2EF8qkUWbbO2z7vd5oA/H6bVH6SZQ5STGcu0KRDS7biNRfxw==",
+      "license": "MIT",
+      "dependencies": {
+        "semver": "^7.3.5"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/node-fetch": {
       "version": "2.7.0",
       "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.7.0.tgz",
@@ -5033,7 +5162,6 @@
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
       "integrity": "sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w==",
-      "dev": true,
       "dependencies": {
         "wrappy": "1"
       }
@@ -5483,6 +5611,32 @@
         "node": "*"
       }
     },
+    "node_modules/prebuild-install": {
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/prebuild-install/-/prebuild-install-7.1.2.tgz",
+      "integrity": "sha512-UnNke3IQb6sgarcZIDU3gbMeTp/9SSU1DAIkil7PrqG1vZlBtY5msYccSKSHDqa3hNg436IXK+SNImReuA1wEQ==",
+      "license": "MIT",
+      "dependencies": {
+        "detect-libc": "^2.0.0",
+        "expand-template": "^2.0.3",
+        "github-from-package": "0.0.0",
+        "minimist": "^1.2.3",
+        "mkdirp-classic": "^0.5.3",
+        "napi-build-utils": "^1.0.1",
+        "node-abi": "^3.3.0",
+        "pump": "^3.0.0",
+        "rc": "^1.2.7",
+        "simple-get": "^4.0.0",
+        "tar-fs": "^2.0.0",
+        "tunnel-agent": "^0.6.0"
+      },
+      "bin": {
+        "prebuild-install": "bin.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/prelude-ls": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz",
@@ -5562,6 +5716,16 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/pump": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.2.tgz",
+      "integrity": "sha512-tUPXtzlGM8FE3P0ZL6DVs/3P58k9nk8/jZeQCurTJylQA8qFYzHFfhBJkuqyE0FifOsQ0uKWekiZ5g8wtr28cw==",
+      "license": "MIT",
+      "dependencies": {
+        "end-of-stream": "^1.1.0",
+        "once": "^1.3.1"
+      }
+    },
     "node_modules/punycode": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
@@ -5619,6 +5783,30 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/rc": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
+      "integrity": "sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==",
+      "license": "(BSD-2-Clause OR MIT OR Apache-2.0)",
+      "dependencies": {
+        "deep-extend": "^0.6.0",
+        "ini": "~1.3.0",
+        "minimist": "^1.2.0",
+        "strip-json-comments": "~2.0.1"
+      },
+      "bin": {
+        "rc": "cli.js"
+      }
+    },
+    "node_modules/rc/node_modules/strip-json-comments": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
+      "integrity": "sha512-4gB8na07fecVVkOI6Rs4e7T6NOTki5EmL7TUduTs6bu3EdnSycntVJ4re8kgZA+wx9IueI2Y11bfbgwtzuE0KQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/readable-stream": {
       "version": "4.5.2",
       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-4.5.2.tgz",
@@ -6018,6 +6206,51 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
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+      "resolved": "https://registry.npmjs.org/prebuild-install/-/prebuild-install-7.1.2.tgz",
+      "integrity": "sha512-UnNke3IQb6sgarcZIDU3gbMeTp/9SSU1DAIkil7PrqG1vZlBtY5msYccSKSHDqa3hNg436IXK+SNImReuA1wEQ==",
+      "requires": {
+        "detect-libc": "^2.0.0",
+        "expand-template": "^2.0.3",
+        "github-from-package": "0.0.0",
+        "minimist": "^1.2.3",
+        "mkdirp-classic": "^0.5.3",
+        "napi-build-utils": "^1.0.1",
+        "node-abi": "^3.3.0",
+        "pump": "^3.0.0",
+        "rc": "^1.2.7",
+        "simple-get": "^4.0.0",
+        "tar-fs": "^2.0.0",
+        "tunnel-agent": "^0.6.0"
+      }
+    },
     "prelude-ls": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz",
@@ -11022,6 +11459,15 @@
         "ipaddr.js": "1.9.1"
       }
     },
+    "pump": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.2.tgz",
+      "integrity": "sha512-tUPXtzlGM8FE3P0ZL6DVs/3P58k9nk8/jZeQCurTJylQA8qFYzHFfhBJkuqyE0FifOsQ0uKWekiZ5g8wtr28cw==",
+      "requires": {
+        "end-of-stream": "^1.1.0",
+        "once": "^1.3.1"
+      }
+    },
     "punycode": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
@@ -11055,6 +11501,24 @@
       "integrity": "sha512-GrDPlkikCTvAOClNgxbbZg2Xq84lmBqhCkkPuDh92vgsDfW9dvrp4kQpE7AOL/3B3j3BATkQocpnCp/bUBn9NQ==",
       "dev": true
     },
+    "rc": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
+      "integrity": "sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==",
+      "requires": {
+        "deep-extend": "^0.6.0",
+        "ini": "~1.3.0",
+        "minimist": "^1.2.0",
+        "strip-json-comments": "~2.0.1"
+      },
+      "dependencies": {
+        "strip-json-comments": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
+          "integrity": "sha512-4gB8na07fecVVkOI6Rs4e7T6NOTki5EmL7TUduTs6bu3EdnSycntVJ4re8kgZA+wx9IueI2Y11bfbgwtzuE0KQ=="
+        }
+      }
+    },
     "readable-stream": {
       "version": "4.5.2",
       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-4.5.2.tgz",
@@ -11335,6 +11799,21 @@
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-4.1.0.tgz",
       "integrity": "sha512-bzyZ1e88w9O1iNJbKnOlvYTrWPDl46O1bG0D3XInv+9tkPrxrN8jUUTiFlDkkmKWgn1M6CfIA13SuGqOa9Korw=="
     },
+    "simple-concat": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/simple-concat/-/simple-concat-1.0.1.tgz",
+      "integrity": "sha512-cSFtAPtRhljv69IK0hTVZQ+OfE9nePi/rtJmw5UjHeVyVroEqJXP1sFztKUy1qU+xvz3u/sfYJLa947b7nAN2Q=="
+    },
+    "simple-get": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/simple-get/-/simple-get-4.0.1.tgz",
+      "integrity": "sha512-brv7p5WgH0jmQJr1ZDDfKDOSeWWg+OVypG99A/5vYGPqJ6pxiaHLy8nxtFjBA7oMa01ebA9gfh1uMCFqOuXxvA==",
+      "requires": {
+        "decompress-response": "^6.0.0",
+        "once": "^1.3.1",
+        "simple-concat": "^1.0.0"
+      }
+    },
     "simple-invariant": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/simple-invariant/-/simple-invariant-2.0.1.tgz",
@@ -11649,6 +12128,65 @@
         }
       }
     },
+    "tar-fs": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-2.1.1.tgz",
+      "integrity": "sha512-V0r2Y9scmbDRLCNex/+hYzvp/zyYjvFbHPNgVTKfQvVrb6guiE/fxP+XblDNR011utopbkex2nM4dHNV6GDsng==",
+      "requires": {
+        "chownr": "^1.1.1",
+        "mkdirp-classic": "^0.5.2",
+        "pump": "^3.0.0",
+        "tar-stream": "^2.1.4"
+      },
+      "dependencies": {
+        "bl": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
+          "integrity": "sha512-1W07cM9gS6DcLperZfFSj+bWLtaPGSOHWhPiGzXmvVJbRLdG82sH/Kn8EtW1VqWVA54AKf2h5k5BbnIbwF3h6w==",
+          "requires": {
+            "buffer": "^5.5.0",
+            "inherits": "^2.0.4",
+            "readable-stream": "^3.4.0"
+          }
+        },
+        "buffer": {
+          "version": "5.7.1",
+          "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+          "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+          "requires": {
+            "base64-js": "^1.3.1",
+            "ieee754": "^1.1.13"
+          }
+        },
+        "chownr": {
+          "version": "1.1.4",
+          "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+          "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg=="
+        },
+        "readable-stream": {
+          "version": "3.6.2",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
+          "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        },
+        "tar-stream": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-2.2.0.tgz",
+          "integrity": "sha512-ujeqbceABgwMZxEJnk2HDY2DlnUZ+9oEcb1KzTVfYHio0UE6dG71n60d8D2I4qNvleWrrXpmjpt7vZeF1LnMZQ==",
+          "requires": {
+            "bl": "^4.0.3",
+            "end-of-stream": "^1.4.1",
+            "fs-constants": "^1.0.0",
+            "inherits": "^2.0.3",
+            "readable-stream": "^3.1.1"
+          }
+        }
+      }
+    },
     "tar-stream": {
       "version": "3.1.7",
       "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-3.1.7.tgz",
@@ -11759,6 +12297,14 @@
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.7.0.tgz",
       "integrity": "sha512-gLXCKdN1/j47AiHiOkJN69hJmcbGTHI0ImLmbYLHykhgeN0jVGola9yVjFgzCUklsZQMW55o+dW7IXv3RCXDzA=="
     },
+    "tunnel-agent": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
+      "integrity": "sha512-McnNiV1l8RYeY8tBgEpuodCC1mLUdbSN+CYBL7kJsJNInOP8UjDDEwdk6Mw60vdLLrr5NHKZhMAOSrR2NZuQ+w==",
+      "requires": {
+        "safe-buffer": "^5.0.1"
+      }
+    },
     "type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
@@ -12028,8 +12574,7 @@
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
-      "dev": true
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="
     },
     "write-file-atomic": {
       "version": "5.0.1",
diff --git a/package.json b/package.json
index 064ed11..122ff92 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,10 @@
     "./download": {
       "types": "./dist/download.d.ts",
       "import": "./lib/download.js"
+    },
+    "./from-mbtiles": {
+      "types": "./dist/from-mbtiles.d.ts",
+      "import": "./lib/from-mbtiles.js"
     }
   },
   "main": "./lib/index.js",
@@ -80,6 +84,7 @@
     "ky": "^1.7.1",
     "log-symbols": "^7.0.0",
     "map-obj": "^5.0.2",
+    "mbtiles-reader": "^1.0.0",
     "open": "^10.1.0",
     "ora": "^8.1.0",
     "p-event": "^6.0.1",
diff --git a/test/fixtures/plain_1.mbtiles b/test/fixtures/plain_1.mbtiles
new file mode 100644
index 0000000..5fdce65
Binary files /dev/null and b/test/fixtures/plain_1.mbtiles differ
diff --git a/test/from-mbtiles.js b/test/from-mbtiles.js
new file mode 100644
index 0000000..cc96392
--- /dev/null
+++ b/test/from-mbtiles.js
@@ -0,0 +1,61 @@
+import { MBTiles } from 'mbtiles-reader'
+import { temporaryFile } from 'tempy'
+
+import assert from 'node:assert/strict'
+import fs from 'node:fs'
+import { buffer } from 'node:stream/consumers'
+import { pipeline } from 'node:stream/promises'
+import test from 'node:test'
+import { fileURLToPath } from 'node:url'
+
+import convert from '../lib/from-mbtiles.js'
+import SMPReader from '../lib/reader.js'
+
+test('convert from MBTiles', async (t) => {
+  const fixture = fileURLToPath(
+    new URL('./fixtures/plain_1.mbtiles', import.meta.url),
+  )
+  const output1 = temporaryFile()
+  const output2 = temporaryFile()
+
+  t.after(() => {
+    fs.unlinkSync(output1)
+    fs.unlinkSync(output2)
+  })
+
+  await Promise.all([
+    convert(fixture, output1),
+    pipeline(convert(fixture), fs.createWriteStream(output2)),
+  ])
+
+  for (const output of [output1, output2]) {
+    const smp = new SMPReader(output)
+    const mbtiles = new MBTiles(fixture)
+    const style = await smp.getStyle('')
+    const sourceMetadata = Object.values(style.sources)[0]
+    assert.equal(sourceMetadata.type, 'raster')
+    let tileCount = 0
+    for (const { x, y, z, data } of mbtiles) {
+      tileCount++
+      const path = replaceVariables(sourceMetadata.tiles[0], { x, y, z })
+      const smpTile = await smp.getResource(path)
+      assert.deepEqual(await buffer(smpTile.stream), data)
+      assert.equal(smpTile.contentType, 'image/png')
+    }
+    assert(tileCount > 10, 'expected more than 10 tiles')
+  }
+})
+
+/**
+ * Replaces variables in a string with values provided in an object. Variables
+ * in the string are denoted by curly braces, e.g., {variableName}.
+ *
+ * @param {string} template - The string containing variables wrapped in curly braces.
+ * @param {Record<string, string | number>} variables - An object where the keys correspond to variable names and values correspond to the replacement values.
+ * @returns {string} The string with the variables replaced by their corresponding values.
+ */
+function replaceVariables(template, variables) {
+  return template.replace(/{(.*?)}/g, (match, varName) => {
+    return varName in variables ? String(variables[varName]) : match
+  })
+}