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Fog Mode vs Kernline

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

Fog Mode compared with Kernline
DetailFog Mode logo Fog ModeKernline logo Kernline
What it doesFree Chrome extension with reading tools, focus aids, and wellness breaks for managing brain fog while reading Give your AI the exact component from any site, not a screenshot
StageStartup Not given
Founded2025 Not given
Based inNot given ZA
Pricing modelFree Freemium
PricingNot given 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
  • Larger, roomier text formatting
  • Focus line guide for reading
  • Clean reader interface
  • Auto-scroll functionality
  • Ambient sounds
  • Breathing break reminders
  • Integrated notes feature
  • 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
  • Designed specifically for people with brain fog
  • Combines reading assistance with wellness features like breathing breaks
  • Completely free with no paywalls or premium tiers
  • 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)2 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)150
Referring domains (Majestic)40

4 details filled in for both companies.

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