OFFICIAL CHROME EXTENSION • MANIFEST V3

DevOmniTools for Chrome & Edge

Instant access to 56+ developer tools directly from your browser toolbar. Features smart Omnibox search (omni <tool>), right-click text inspector, and offline utilities with zero server telemetry.

v2.6.0 • Manifest V3 • Free & Open-Source (32 KB)

56+
Built-in Utilities
100%
Client-Side Privacy
0 Byte
Network Telemetry
32 KB
Bundle Size

The DevOmniTools Chrome Extension brings the full power of the web platform's 56-tool developer suite directly into your browser toolbar. Built on the Google Manifest V3 specification, the extension uses strict content security policies, no remote scripts, and no background data transmission — ensuring that your development workflows remain completely private even when working with sensitive JWT tokens, database credentials, or cryptographic keys.

Unlike cloud-based developer tools that log your inputs server-side, every computation in the DevOmniTools extension runs in isolated JavaScript memory within your local browser process. SHA-256 hashing, Base64 encoding, UUID generation, and JSON formatting are executed by the browser's native WebCrypto API and V8 engine — never leaving your device. This makes the extension safe for use in air-gapped corporate networks, HIPAA-regulated healthcare environments, and financial institution intranets.

The extension integrates with Chrome's Omnibox API, enabling instant tool navigation without opening new tabs. It also leverages the Context Menus API to surface formatting and hashing actions from any right-click selection across any webpage. All 56 utilities are available offline via the extension's bundled Service Worker and WebAssembly modules.

Why Developers Love DevOmniTools Extension

🔍

Omnibox Address Bar Search

Type "omni" followed by a space and your tool name (e.g. "omni json", "omni jwt", or "omni hash") in Chrome's URL bar to jump straight to any tool with zero clicks.

🖱️

Right-Click Text Inspector

Select any text or token on any webpage, right-click, and instantly format JSON, calculate SHA-256 hash, decode Base64, or send payloads directly to Diff Checker.

Offline Quick Utilities

Execute Base64 encode/decode, SHA-256 hashing, and UUID v4 generation directly inside the popup modal without opening a new browser tab or connecting to the internet.

⌨️

Keyboard-First Navigation

Use ArrowUp, ArrowDown, and Enter to search, filter, and launch utilities at blazing sub-millisecond speed.

🛡️

Manifest V3 Privacy Guarantee

Engineered according to Google's strict Manifest V3 specification. Zero third-party telemetry, zero external scripts, zero data logging, and no persistent tracking cookies.

🌐

Universal Chromium Support

Runs flawlessly on Google Chrome, Microsoft Edge, Brave, Opera, Arc, and Vivaldi desktop browsers.

Easy 3-Step Manual Installation

Takes less than 30 seconds to set up on any Chromium-based browser.

01

Download & Extract

Download the official omnitools-extension.zip package below and extract the zip archive to a local folder on your computer.

02

Open Extensions Manager

Open a new tab and navigate to chrome://extensions (or edge://extensions). In the top-right corner, toggle Developer mode ON.

03

Load Unpacked & Pin

Click the "Load unpacked" button in the top-left corner, select your extracted folder, and pin the DevOmniTools icon {⚡} to your toolbar for 1-click access.

Frequently Asked Questions

Does the extension collect my browsing history or inputs?

No, absolutely never. DevOmniTools is strictly 100% client-side. The extension has zero tracking scripts, zero telemetry, and never makes unauthorized external network calls.

How does the Omnibox shortcut work?

Click your browser address bar, type "omni", press Tab or Space, then type any query like "jwt", "sql", or "password". Hit Enter to open the exact tool instantly.

Can I use this on Microsoft Edge, Brave, or Arc?

Yes! All Chromium-based browsers (Edge, Brave, Opera, Vivaldi, Arc) fully support Manifest V3 unpacked extensions via the exact same installation steps.

Does the extension work when offline?

Yes. All popup utilities and offline core scripts execute entirely within local browser memory without needing an active internet connection.

How do I update the extension when a new release is available?

Simply download the latest zip package, extract it over the existing folder, and click the refresh icon on chrome://extensions.

Is the source code open-source and auditable?

Yes. All extension source code is open-source and available on our public GitHub repository for community security audits.