Security tools in your browser
Investigate what you're looking at.
Decode suspicious text, scan the page, and open the sources you trust—all from one quiet side panel.
The product, in context
Security advisory / Example
Reviewing an unusual command
The page remains yours to read and use.
Tools / Text Decoder
Encoded command
Input found on this page
Decoded locally
URL found · Ready to inspect
Start with what you see.
Paste a value, select text, or scan the current page.
Get a useful answer.
Local tools decode, extract, and inspect without a detour.
Follow the evidence.
Choose a source or open your enabled sources in a tab group.
Built for the work
The tools you reach for, where you need them.
Decode and inspect.
PowerShell, URLs, JWTs and email headers become readable in the side panel.
Work from the page.
Scan for indicators on request, then open one result without losing your place.
Use your own sources.
Turn sites on or off by indicator type. Add a custom source from a search you already use.
Keep the browser tidy.
Open chosen destinations together. Revisit a lookup without multiplying groups.
No account. Your setup stays yours.
Your sources, subscriptions, favourites and settings are stored by the extension in your browser, and Coeus keeps no copy. Local tool inputs stay in your browser session.
Keep your focus on the evidence.
Coeus is free to use in Chrome and Edge.