diff --git a/README.md b/README.md
index a4d5672..6e4a6b1 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # verstak-browser-extension
 
-Verstak Browser Extension captures pages, selected text, and links and sends
-them to a local Verstak browser inbox receiver.
+Verstak Browser Extension captures pages, selected text, links, and selected
+text files and sends them to a local Verstak browser inbox receiver.
 
 The extension does not know Notes, Files, Activity, or Journal internals. It
 only sends capture events through the public local receiver protocol. If the
@@ -43,8 +43,8 @@ release artifacts are local outputs and are not committed.
 1. Start Verstak desktop with the `verstak.browser-inbox` plugin installed.
 2. Open the `Browser Inbox` workspace item so it subscribes to capture events.
 3. Install/load `dist/firefox` or the signed XPI in Firefox.
-4. Use the popup `Send Page` action, or use page context menu actions for
-   selection/link captures.
+4. Use the popup `Send Page` or `Send File` actions, or use page context menu
+   actions for selection/link captures.
 
 ## Local Receiver Protocol
 
@@ -84,6 +84,7 @@ Supported `kind` values:
 - `page`
 - `selection`, with `selection.text`
 - `link`, with `link.url` and optional `link.text`
+- `file`, with `file.name` and `file.text` for selected text files up to 2 MB
 
 Expected success response:
 
diff --git a/chromium/manifest.json b/chromium/manifest.json
index 9f25a80..e67d814 100644
--- a/chromium/manifest.json
+++ b/chromium/manifest.json
@@ -2,7 +2,7 @@
   "manifest_version": 3,
   "name": "Verstak Bridge",
   "version": "2.0.1",
-  "description": "Send pages, selections, and links to the local Verstak browser inbox.",
+  "description": "Send pages, selections, links, and text files to the local Verstak browser inbox.",
   "author": "Verstak",
   "homepage_url": "https://git.mirv.top/verstak/verstak-browser-extension",
   "permissions": ["contextMenus", "storage", "tabs"],
diff --git a/firefox/manifest.json b/firefox/manifest.json
index 6114045..550f9bd 100644
--- a/firefox/manifest.json
+++ b/firefox/manifest.json
@@ -2,7 +2,7 @@
   "manifest_version": 2,
   "name": "Verstak Bridge",
   "version": "2.0.1",
-  "description": "Send pages, selections, and links to the local Verstak browser inbox.",
+  "description": "Send pages, selections, links, and text files to the local Verstak browser inbox.",
   "author": "Verstak",
   "homepage_url": "https://git.mirv.top/verstak/verstak-browser-extension",
   "browser_specific_settings": {
diff --git a/scripts/test-protocol.js b/scripts/test-protocol.js
index 74e1c52..f278238 100755
--- a/scripts/test-protocol.js
+++ b/scripts/test-protocol.js
@@ -25,7 +25,23 @@ const selection = protocol.buildCapture({
 assert.equal(selection.selection.text, 'selected text');
 assert.equal(protocol.validateCapture(selection), true);
 
+const file = protocol.buildCapture({
+  kind: 'file',
+  url: 'https://example.com/docs',
+  title: 'Example Docs',
+  fileName: 'notes.txt',
+  fileMime: 'text/plain',
+  fileSize: 12,
+  fileText: 'hello file'
+});
+assert.equal(file.file.name, 'notes.txt');
+assert.equal(file.file.mime, 'text/plain');
+assert.equal(file.file.size, 12);
+assert.equal(file.file.text, 'hello file');
+assert.equal(protocol.validateCapture(file), true);
+
 assert.throws(() => protocol.validateCapture({ schemaVersion: 1, kind: 'link', captureId: 'x', capturedAt: 'now', page: { url: 'https://example.com' } }), /link.url/);
+assert.throws(() => protocol.validateCapture({ schemaVersion: 1, kind: 'file', captureId: 'x', capturedAt: 'now', page: { url: 'https://example.com' }, file: { name: 'notes.txt' } }), /file.text/);
 
 let request;
 const fetchOk = (url, options) => {
diff --git a/shared/background.js b/shared/background.js
index 6d372ee..6972a94 100644
--- a/shared/background.js
+++ b/shared/background.js
@@ -46,7 +46,11 @@
       title: tab && tab.title || '',
       selectionText: info.selectionText || '',
       linkUrl: info.linkUrl || '',
-      linkText: info.selectionText || ''
+      linkText: info.selectionText || '',
+      fileName: info.fileName || '',
+      fileMime: info.fileMime || '',
+      fileSize: info.fileSize || 0,
+      fileText: info.fileText || ''
     });
   }
 
diff --git a/shared/popup/popup.css b/shared/popup/popup.css
index 9ee3a86..b635990 100644
--- a/shared/popup/popup.css
+++ b/shared/popup/popup.css
@@ -50,6 +50,7 @@ h1 {
 }
 
 .panel,
+.file-picker,
 .settings {
   border: 1px solid #273244;
   border-radius: 6px;
@@ -66,6 +67,7 @@ h1 {
 }
 
 .row span,
+.file-picker label,
 .settings label,
 .hint {
   color: #94a3b8;
@@ -124,6 +126,11 @@ input {
   color: #e5e7eb;
 }
 
+input[type="file"] {
+  cursor: pointer;
+  font-size: 12px;
+}
+
 .hint {
   margin: 0;
   font-size: 12px;
diff --git a/shared/popup/popup.html b/shared/popup/popup.html
index 5f6c6ef..7c5701b 100644
--- a/shared/popup/popup.html
+++ b/shared/popup/popup.html
@@ -32,9 +32,15 @@
 
       <section class="actions">
         <button id="capture-page">Send Page</button>
+        <button id="capture-file">Send File</button>
         <button id="retry">Retry Pending</button>
       </section>
 
+      <section class="file-picker">
+        <label for="file-input">Text file</label>
+        <input id="file-input" type="file">
+      </section>
+
       <section class="settings">
         <label for="receiver-input">Receiver URL</label>
         <input id="receiver-input" type="url" spellcheck="false">
diff --git a/shared/popup/popup.js b/shared/popup/popup.js
index f888501..e666b34 100644
--- a/shared/popup/popup.js
+++ b/shared/popup/popup.js
@@ -6,8 +6,10 @@
   var receiverStateEl = document.getElementById('receiver-state');
   var receiverUrlEl = document.getElementById('receiver-url');
   var receiverInputEl = document.getElementById('receiver-input');
+  var fileInputEl = document.getElementById('file-input');
   var pendingCountEl = document.getElementById('pending-count');
   var statusDotEl = document.getElementById('status-dot');
+  var MAX_FILE_TEXT_LENGTH = 2 * 1024 * 1024;
 
   function setStatus(text) {
     statusEl.textContent = text;
@@ -67,6 +69,31 @@
     send({ type: 'verstak.capture', kind: 'page' });
   });
 
+  document.getElementById('capture-file').addEventListener('click', function () {
+    var file = fileInputEl.files && fileInputEl.files[0];
+    if (!file) {
+      setStatus('Choose a text file first');
+      return;
+    }
+    if (file.size > MAX_FILE_TEXT_LENGTH) {
+      setStatus('File is too large for text capture');
+      return;
+    }
+    setStatus('Reading file...');
+    file.text().then(function (content) {
+      send({
+        type: 'verstak.capture',
+        kind: 'file',
+        fileName: file.name,
+        fileMime: file.type || 'text/plain',
+        fileSize: file.size,
+        fileText: content
+      });
+    }).catch(function (err) {
+      setStatus(err && err.message ? err.message : String(err));
+    });
+  });
+
   document.getElementById('retry').addEventListener('click', function () {
     send({ type: 'verstak.capture', action: 'retryPending' });
   });
diff --git a/shared/protocol.js b/shared/protocol.js
index 9887ed0..98cd2d2 100644
--- a/shared/protocol.js
+++ b/shared/protocol.js
@@ -3,6 +3,7 @@
 
   var CAPTURE_SCHEMA_VERSION = 1;
   var DEFAULT_RECEIVER_URL = 'http://127.0.0.1:47731/api/browser-inbox/v1/captures';
+  var MAX_FILE_TEXT_LENGTH = 2 * 1024 * 1024;
 
   function nowIso() {
     return new Date().toISOString();
@@ -20,6 +21,12 @@
     return text;
   }
 
+  function cleanTextContent(value, maxLength) {
+    var text = String(value == null ? '' : value);
+    if (maxLength && text.length > maxLength) return text.slice(0, maxLength);
+    return text;
+  }
+
   function hostname(url) {
     try {
       return new URL(url).hostname;
@@ -59,6 +66,16 @@
         text: cleanString(input.linkText || input.selectionText || '', 512)
       };
     }
+    if (kind === 'file') {
+      var fileText = cleanTextContent(input.fileText || '', MAX_FILE_TEXT_LENGTH);
+      var fileSize = Number(input.fileSize);
+      payload.file = {
+        name: cleanString(input.fileName || '', 255),
+        mime: cleanString(input.fileMime || '', 128),
+        size: Number.isFinite(fileSize) && fileSize >= 0 ? fileSize : fileText.length,
+        text: fileText
+      };
+    }
     if (input.context) payload.context = input.context;
     return payload;
   }
@@ -68,16 +85,19 @@
     if (payload.schemaVersion !== CAPTURE_SCHEMA_VERSION) throw new Error('unsupported schemaVersion');
     if (!payload.captureId) throw new Error('captureId is required');
     if (!payload.capturedAt) throw new Error('capturedAt is required');
-    if (['page', 'selection', 'link'].indexOf(payload.kind) === -1) throw new Error('unsupported kind');
+    if (['page', 'selection', 'link', 'file'].indexOf(payload.kind) === -1) throw new Error('unsupported kind');
     if (!payload.page || !payload.page.url) throw new Error('page.url is required');
     if (payload.kind === 'selection' && (!payload.selection || !payload.selection.text)) throw new Error('selection.text is required');
     if (payload.kind === 'link' && (!payload.link || !payload.link.url)) throw new Error('link.url is required');
+    if (payload.kind === 'file' && (!payload.file || !payload.file.name)) throw new Error('file.name is required');
+    if (payload.kind === 'file' && (!payload.file || !payload.file.text)) throw new Error('file.text is required');
     return true;
   }
 
   var api = {
     CAPTURE_SCHEMA_VERSION: CAPTURE_SCHEMA_VERSION,
     DEFAULT_RECEIVER_URL: DEFAULT_RECEIVER_URL,
+    MAX_FILE_TEXT_LENGTH: MAX_FILE_TEXT_LENGTH,
     buildCapture: buildCapture,
     validateCapture: validateCapture
   };