Welcome to hckr ⚡
hckr is an offline-first developer utility toolkit built directly into your Chrome browser side panel. Stop pasting sensitive tokens, JSON payloads, and credentials into random online web formatters.
Why hckr?
- 🔒 100% Offline & Private: Zero analytics, zero telemetries, and zero network calls. All computations run in-memory within your browser process.
- ⚡ Sidepanel Native: Stays docked alongside your code editor, postman, terminal, or browser tab without obscuring your view.
- 🧠 Context-Aware Detection: Highlight text on any page (JWT, Epoch timestamp, Base64 string, JSON blob) to automatically inspect or decode it in the sidepanel.
- 🚀 12+ Essential Tools: JSON formatting & filtering, JWT debugging, Unix timestamps, Regex testing with live highlights, Diff checking, and much more.