# Capture From Browser

> Capture Title, URL and Selection to a local server.

Canonical page: [https://chrome-stats.com/d/capture-from-browser](https://chrome-stats.com/d/capture-from-browser)

## Overview

- **ID:** `capture-from-browser`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Precompute
- **Category:** other
- **Version:** 1.9
- **Last updated:** 2026-02-21
- **First published:** 2026-01-28
- **Size:** 55 KB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/capture-from-browser/)
- **Website:** [https://precompute.github.io/capture-from-browser/](https://precompute.github.io/capture-from-browser/)

## Description

This is a Web Extension (for Firefox / Chrome / Chromium) that extracts the current page title, url and highlighted text and sends it to a local server. This allows the you to "capture" the content you highlight in a local file.

Website: <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/a769ea598d6ae393deb8ad5af010a29e687d6640f878c8ee401a0002a16a6e6b/https%3A//precompute.github.io/capture-from-browser/" rel="nofollow">https://precompute.github.io/capture-from-browser/</a>
Source Code (GPLv3): <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/ee80e6ad507b87c9b61ebc546343bb5ec9379356f853154125f19b08d4e2a3f3/https%3A//github.com/precompute/capture-from-browser/" rel="nofollow">https://github.com/precompute/capture-from-browser/</a> 

Feature Requests, Bug Reports and Pull Requests are always welcome!

Ideal for note-taking and saving highlights to a personal file / exobrain.
<ul><li>Easily change default port</li><li>Markdown toggle (boolean flag sent to backend)</li><li>Keyboard shortcuts</li><li>Textbox for additional context</li><li>Local log of previous requests (no selection data logged)</li><li>Completely Private: local-only, open source (GPLv3)</li></ul>
The extension POSTs the following JSON to (selected port)/api/capture, which the user should write a server against:

<code>      "source_url": "string",
      "page_title": "string",
      "selection_text": "string",
      "selection_html": "string",
      "context": "string",
      "markdown": boolean,
      "timestamp": "ISO8601"
</code>

The github repo contains a simple server in golang as well.

## Rankings

- #140,429 — Overall
- #223 — chrome browser
- #233 — capture

## Permissions and access

### Permissions

- `activeTab`
- `scripting`
- `storage`

### Host permissions

- `http://localhost/*`
- `http://127.0.0.1/*`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/capture-from-browser)