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Developer ToolIn review

Absolute Zero Toolbox

A Chrome side-panel workbench holding 32 tools for developers and testers — JSON diffing, token decoding, request replay, DNS and certificate lookups — plus an encrypted vault for development credentials that never leaves your machine.

How it works

  • 32 tools in one Chrome side panel, so inspection happens beside the page you are working on instead of scattered across anonymous online utilities you paste production data into.
  • An encrypted vault keeps two-factor codes and reusable snippets on your own device using AES-256-GCM, with the key derived from a master password that never leaves the machine.
  • No account and no server — there is nowhere to upload to. The network is used only when a tool needs it, and only to the destination you named.
  • The traffic interceptor and site audit are scoped to sites you own or have explicit permission to test.

Stack

Chrome Extension APITypeScriptWeb Crypto APIAES-256-GCM

Role — Creator

Building something like this?

I build AI-powered products that ship to production — RAG pipelines, agentic workflows and the full-stack systems around them.

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