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
- Version3.55.0
- UpdatedFebruary 4, 2026
- Size85.69KiB
- LanguagesEnglish
- DeveloperFifty Five and FiveWebsite
Weston St London SE1 3ER GBEmail
chris.wright@fiftyfiveandfive.comPhone
+44 7843 258503 - TraderThis 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-S217106187
Privacy
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:
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
