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Preview of Capture From Browser

Capture From Browser by Precompute

Capture Title, URL and Selection to a local server.

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Extension Metadata

Screenshots
The add-on "Capture From Browser" is enabled and visible.  The Context and Preview text areas and the Log table is visible.  The user is capturing information with context from a wikipedia page.The add-on "Capture From Browser" is enabled and visible.  The Context text area is visible.  The preview and log table are hidden.  The user is capturing information with context from a wikipedia page.The add-on "Capture From Browser" is enabled and visible.  The Context text area and the log table are visible.  The preview text area is hidden.  The user is capturing information with context from a music website.
About this extension
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: https://precompute.github.io/capture-from-browser/
Source Code (GPLv3): https://github.com/precompute/capture-from-browser/

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

Ideal for note-taking and saving highlights to a personal file / exobrain.
  • Easily change default port
  • Markdown toggle (boolean flag sent to backend)
  • Keyboard shortcuts
  • Textbox for additional context
  • Local log of previous requests (no selection data logged)
  • Completely Private: local-only, open source (GPLv3)

The extension POSTs the following JSON to (selected port)/api/capture, which the user should write a server against:

"source_url": "string",
"page_title": "string",
"selection_text": "string",
"selection_html": "string",
"context": "string",
"markdown": boolean,
"timestamp": "ISO8601"


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

Required permissions:

  • Access your data for all websites

Optional permissions:

  • Access your data for localhost
  • Access your data for 127.0.0.1

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
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Version
1.9
Size
55.04 KB
Last updated
a month ago (Feb 21, 2026)
Related Categories
  • Other
License
GNU General Public License v3.0 only
Version History
  • See all versions
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