Overview
Structure Accelerator — summarize, translate, focus and act on any page.
Katalyst turns any web page into a structured workspace — summarize, translate, highlight, and convert without ever leaving your tab. The browser copilot for people who think in flow, not in tabs. ✦ AI Sidebar, Three Ways Open your question instantly in ChatGPT, Claude, Gemini or Perplexity — or chat right inside the sidebar with your own API key, or unlock Katalyst AI for a zero-setup, context-aware assistant. Your call, every time. ✦ Smart Highlights & Annotations Color-coded highlights with custom legends and inline notes, saved per page and waiting for you when you come back. Built for research, not just reading. ✦ Focus Pomodoro A built-in focus timer with session tracking, so deep work and deep reading finally live in the same tab as everything else. ✦ Cross-Format Export Turn any article into clean Markdown or plain text, generate instant APA / MLA / Wikipedia citations, or pull a chronological timeline out of a long page in one click. ✦ Instant Translation Translate a selection or an entire page on the fly — no copy-pasting into another tool. ✦ Quick Converter Currency, units, and time zones, solved in two clicks without opening a new tab. Privacy & Cost — No Surprises We built Katalyst around one rule: you should never feel locked into a subscription to use an AI tool in your browser. Free, for real. Summaries, translation, reader mode, highlights, todos and the core toolkit work out of the box — no account, no credit card. Pay only for what you use. Katalyst Pro has no recurring subscription. Top up credits through Stripe whenever you need more, and stop whenever you want. No auto-renewal traps. Bring Your Own Key. Connect your own Anthropic API key for unlimited personal AI chat. Your prompts go straight to Anthropic — Katalyst never sees, stores, or routes your conversations through our servers. Structure Accelerator. Your page, your pace, your cost.
Details
- Version1.0.0
- Updated7 July 2026
- Offered byMaalk
- Size236KiB
- LanguagesEnglish (United Kingdom)
- DeveloperPELLINE--GARIN Matthias Tristan Julian
12 Rue Charles de Gaulle Résidence Sainte Lucie, Batiment B1 Orsay 91400 FREmail
projectextensions@duck.comPhone
+33 6 23 21 00 53 - 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.
Privacy
KATALYST 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.
KATALYST 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
