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Tab Deck vs Kernline

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Tab Deck compared with Kernline
DetailTab Deck logo Tab DeckKernline logo Kernline
What it doesAll-in-one browser tab and tab group manager Give your AI the exact component from any site, not a screenshot
StageNot given Not given
FoundedNot given Not given
Based inNot given ZA
Pricing modelFreemium Freemium
PricingFree plan available with core features. Pro plan: $29.9/yearly (All Free Features plus premium support, cloud sync, Notion sync, Raycast integration). Lifetime: $68 (limited time offer, 78 sales, 22 left). 7-day free trial available. 100% money back guarantee within 7 days of purchase. Free: $0 with 3 Copy for AI and 3 Component captures a day. Pro yearly: $36/year ($3/month). Pro monthly: $6/month. Lifetime Pro: $59 one-time payment.
Key features
  • Save and restore tabs with a single click
  • Tab group management and creation
  • Cloud sync and backup
  • Share sessions and tab groups via web link
  • Notion integration for syncing tabs
  • Raycast integration for tab search
  • De-duplicate tabs
  • Fuzzy search for saved tabs
  • Dark mode and keyboard shortcuts
  • Component capture as HTML, React, or Vue with Tailwind
  • Tailwind v3 and v4 class export
  • Design token export as CSS variables or Tailwind theme
  • CSS inspector with box model and typography
  • Asset list for images, SVGs, icons, and fonts
  • Pixel-perfect mockup overlay with layers
  • Single-element or full-page Tailwind scanning
  • Offline inspection and copy functionality
What makes it different
  • 30+ practical features in one focused extension
  • Integrations with Notion and Raycast
  • Simple, transparent pricing with free tier
  • Quick migration tools from OneTab and Session Buddy
  • Responsive developer support
  • Works entirely in your browser with no page uploads or tracking
  • Runs only on the tab you open and never uploads the page
  • No ads, tracking, or data selling
  • Copy real styles and tokens from live websites instead of screenshots
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)52 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)200
Citation Flow (Majestic)210
Referring domains (Majestic)720

5 details filled in for both companies.

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