diff --git a/packages/@uppy/audio/.npmignore b/packages/@uppy/audio/.npmignore
new file mode 100644
index 000000000..6c816673f
--- /dev/null
+++ b/packages/@uppy/audio/.npmignore
@@ -0,0 +1 @@
+tsconfig.*
diff --git a/packages/@uppy/companion-client/.npmignore b/packages/@uppy/companion-client/.npmignore
new file mode 100644
index 000000000..6c816673f
--- /dev/null
+++ b/packages/@uppy/companion-client/.npmignore
@@ -0,0 +1 @@
+tsconfig.*
diff --git a/packages/@uppy/compressor/.npmignore b/packages/@uppy/compressor/.npmignore
new file mode 100644
index 000000000..6c816673f
--- /dev/null
+++ b/packages/@uppy/compressor/.npmignore
@@ -0,0 +1 @@
+tsconfig.*
diff --git a/packages/@uppy/core/.npmignore b/packages/@uppy/core/.npmignore
new file mode 100644
index 000000000..6c816673f
--- /dev/null
+++ b/packages/@uppy/core/.npmignore
@@ -0,0 +1 @@
+tsconfig.*
diff --git a/packages/@uppy/drop-target/.npmignore b/packages/@uppy/drop-target/.npmignore
new file mode 100644
index 000000000..6c816673f
--- /dev/null
+++ b/packages/@uppy/drop-target/.npmignore
@@ -0,0 +1 @@
+tsconfig.*
diff --git a/packages/@uppy/image-editor/.npmignore b/packages/@uppy/image-editor/.npmignore
new file mode 100644
index 000000000..6c816673f
--- /dev/null
+++ b/packages/@uppy/image-editor/.npmignore
@@ -0,0 +1 @@
+tsconfig.*
diff --git a/packages/@uppy/locales/.npmignore b/packages/@uppy/locales/.npmignore
new file mode 100644
index 000000000..6c816673f
--- /dev/null
+++ b/packages/@uppy/locales/.npmignore
@@ -0,0 +1 @@
+tsconfig.*
diff --git a/packages/@uppy/status-bar/.npmignore b/packages/@uppy/status-bar/.npmignore
new file mode 100644
index 000000000..6c816673f
--- /dev/null
+++ b/packages/@uppy/status-bar/.npmignore
@@ -0,0 +1 @@
+tsconfig.*
diff --git a/packages/@uppy/store-default/.npmignore b/packages/@uppy/store-default/.npmignore
new file mode 100644
index 000000000..6c816673f
--- /dev/null
+++ b/packages/@uppy/store-default/.npmignore
@@ -0,0 +1 @@
+tsconfig.*
diff --git a/packages/@uppy/tus/.npmignore b/packages/@uppy/tus/.npmignore
new file mode 100644
index 000000000..6c816673f
--- /dev/null
+++ b/packages/@uppy/tus/.npmignore
@@ -0,0 +1 @@
+tsconfig.*
diff --git a/packages/@uppy/utils/.npmignore b/packages/@uppy/utils/.npmignore
new file mode 100644
index 000000000..6c816673f
--- /dev/null
+++ b/packages/@uppy/utils/.npmignore
@@ -0,0 +1 @@
+tsconfig.*
diff --git a/packages/@uppy/xhr-upload/.npmignore b/packages/@uppy/xhr-upload/.npmignore
new file mode 100644
index 000000000..6c816673f
--- /dev/null
+++ b/packages/@uppy/xhr-upload/.npmignore
@@ -0,0 +1 @@
+tsconfig.*
diff --git a/private/js2ts/index.mjs b/private/js2ts/index.mjs
index 028d60b0c..8919c5d35 100755
--- a/private/js2ts/index.mjs
+++ b/private/js2ts/index.mjs
@@ -5,7 +5,14 @@
  * TS source. It will rename the files, update the imports, and add a `tsconfig.json`.
  */
 
-import { opendir, readFile, open, writeFile, rm } from 'node:fs/promises'
+import {
+  appendFile,
+  opendir,
+  readFile,
+  open,
+  writeFile,
+  rm,
+} from 'node:fs/promises'
 import { createRequire } from 'node:module'
 import { argv } from 'node:process'
 import { basename, extname, join } from 'node:path'
@@ -149,4 +156,6 @@ await writeFile(
   )}\n`,
 )
 
+await appendFile(new URL('./.npmignore', packageRoot), `\ntsconfig.*\n`)
+
 console.log('Done')