Calculates word count, reading time, readability scores, keyword density, and heading outline structure.
Replaces:
Word Counter PlusReadability CalculatorInstalling a separate browser extension just for content & readability analyzer bloats Chrome memory, adds permission risk, and clutters your toolbar. OmniDev integrates Content & Readability Analyzer natively alongside 53 other frontend and QA tools.
Calculates word count, reading time, readability scores, keyword density, and heading outline structure.
Runs inside an isolated Shadow DOM panel so host page styles never break or leak
Zero background RAM overhead when idle — lazy-loaded on demand in milliseconds
Replaces standalone Word Counter Plus, Readability Calculator extensions inside a single 54-in-1 toolkit
Shadow-DOM isolated • Zero host-page CSS leakage
STEP 01
Install OmniDev from the Chrome Web Store and open the popup or press your custom shortcut.
STEP 02
Select "Content & Readability Analyzer" under the Analytics category (or search "Content & Readability Analyzer" in the launcher).
STEP 03
Inspect, capture, or export results directly on the live page — 100% locally in your browser.
Detailed side-by-side comparisons against standalone Chrome extensions:
Yes. Content & Readability Analyzer and all 54 tools in OmniDev are 100% free to use with no account signup or paywall.
No. Content & Readability Analyzer runs locally inside your browser tab. OmniDev is architected local-first and never uploads your DOM, storage, or network payloads to a Jambo backend.
Content & Readability Analyzer replaces single-purpose extensions such as Word Counter Plus, Readability Calculator, saving browser RAM and reducing extension permission sprawl.
Every tool below is included in the same single Chrome extension install.
Explore All 54 Tools
Measures real-time Core Web Vitals (LCP, CLS, INP, FCP, TTFB), resource weight breakdown, and DOM complexity.
Audits on-page SEO health: title/description length, canonical tags, robots directives, heading hierarchy (H1–H6), and missing alt attributes.
Unified browser storage explorer to inspect, search, edit, and clear localStorage, sessionStorage, and cookies.
Detects frontend frameworks (React, Next.js, Vue, Nuxt, Svelte, Astro), UI libraries, analytics, CDNs, and server headers locally.
Runs an instant WCAG accessibility audit checking color contrast ratios, ARIA roles, form labels, landmarks, and missing alt text.
Audits the live DOM against your design system tokens to catch off-palette colors, rogue font sizes, and non-standard spacing values.
Stop cluttering Chrome with dozens of single-purpose extensions. Install OmniDev free and run everything locally.
Install OmniDev for Free