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Ultrathink

ExtensionWorkflow & Planning13 users
Item media 1 (screenshot) for Ultrathink

Overview

Save URLs, snippets, ideas, knowledge and tasks direct to your Ultrathink account

Ultrathink is your personal knowledge base. Save anything from the web with a single click or keyboard shortcut - URLs, text snippets, screenshots, AI conversations from ChatGPT and Claude, emails, and more. Every entry is automatically classified, tagged with topics and people, and enhanced with AI-generated summaries. Access your knowledge base from anywhere through the Ultrathink web app, where you can search, filter, organize into projects and tasks, and visualize connections between your saved content. Perfect for researchers, developers, and anyone who needs to capture and organize information from across the web. Supports bulk saving of all open tabs, automatic content detection, and seamless sync across devices.

Details

  • Version
    3.55.0
  • Updated
    February 4, 2026
  • Size
    85.69KiB
  • Languages
    English
  • Developer
    Fifty Five and Five
    Weston St London SE1 3ER GB
    Website
    Email
    chris.wright@fiftyfiveandfive.com
    Phone
    +44 7843 258503
  • Trader
    This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
  • D-U-N-S
    217106187

Privacy

Manage extensions and learn how they're being used in your organization

Ultrathink has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

Ultrathink handles the following:

Authentication information
Web history
Website content

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes
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