The Only Extension
You Need.
Inspect CSS & Tailwind on hover, freeze disappearing dropdowns, capture full-page screenshots, extract fonts & SVGs, detect tech stacks, and run SEO, WCAG & network QA—all in 1 lightweight Chrome extension.
Context Switches Saved
1,450,290+
Extension Bloat Removed
54 → 1
Local-First Execution
100% Private
Stop the extension madness.
One extension for CSS. Another for fonts. One more for screenshots. Your toolbar fills up, and your workflow gets scattered.
OmniDev brings 54 developer tools into one focused workspace. Inspect, capture, debug, and audit without jumping between extensions.
Tools load on demand
Local-first by design
An extension for every task
CSS Peeper
Inspect CSS
WhatFont
Identify fonts
ColorZilla
Pick colors
GoFullPage
Capture pages
Wappalyzer
Detect tech stacks
JSON Viewer
Explore JSON
All together in one
OmniDev
One extension. Your whole toolkit.
54 Tools. Zero Friction.
Filter by category, search by tool or replaced extension, or click any card to explore its live workflow and documentation.
Compare OmniDev vs Single-Purpose Extensions
See how one privacy-first install replaces your standalone CSS inspectors, font finders, screenshot tools, and tech stack analyzers.
CSS, Typography & Asset Inspection
OmniDev vs CSS Peeper
The Free, 54-in-1 CSS Peeper Alternative for Chrome
Compare Features
Typography & Font Identification
OmniDev vs WhatFont
A Modern WhatFont Alternative Built for Frontend Engineers & Designers
Compare Features
Website Technology Stack Detection
OmniDev vs Wappalyzer
Free, 100% Local Wappalyzer Alternative for Chrome
Compare Features
Full-Page, Element & Hover-State Screenshots
OmniDev vs GoFullPage
GoFullPage Alternative + Hover State Freeze & Local OCR Library
Compare Features
Color Eyedropper, Palette & Gradient Tools
OmniDev vs ColorZilla
The Modern ColorZilla Alternative with Design Token Drift Detection
Compare Features
Visual DOM Inspection, Spacing & Live Design QA
OmniDev vs VisBug
VisBug Alternative with 54 Frontend, Tailwind, Capture & QA Tools
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JSON Formatting, Diffing & TypeScript Codegen
OmniDev vs JSON Viewer
JSON Viewer Alternative with Diff Comparison & TypeScript Interface Export
Compare Features
Interaction Unlock & QA Testing
OmniDev vs Enable Right Click & Copy Extensions
A Safe, 100% Local Enable Right Click & Copy Extension for Developers
Compare Features
Core Web Vitals, SEO & Accessibility
OmniDev vs Standalone SEO & Web Vitals Checkers
Instant On-Page Core Web Vitals, SEO, Meta & WCAG Auditor
Compare Features
QA Bug Reporting, Network HAR & Repro Steps
OmniDev vs Cloud Bug Reporting Extensions
Local-First Bug Report Generator with Redacted HAR & Playwright Repro
Compare Features
Trusted by Top Developers
Alex T.
@alextdev • Frontend Engineer
"OmniDev replaced 6 extensions for me. My devtools finally feel clean. The CSS scanner and state freeze capture are unmatched."
Sarah K.
@sarahcodes • Fullstack Developer
"I didn't realize how much RAM those other tools were chewing up. One tool to rule them all. Best extension of 2026."
David M.
@dm_tech • UI/UX Designer
"The SVG extractor and Tailwind converter work perfectly every time. No more digging through the elements tab for messy inline code."
Elena V.
@elenav • Performance Eng
"Network payload inspection with automatic secret redaction has saved me hours of API debugging. Crucial part of my workflow now."
Ready to Upgrade?
Replace 10+ extensions with 1 local-first toolkit. Install OmniDev today and transform your frontend and QA workflow.
Install OmniDev for Free