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Kernline vs Swoopy

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

Kernline compared with Swoopy
DetailKernline logo KernlineSwoopy logo Swoopy
What it doesGive your AI the exact component from any site, not a screenshot Save the images Chrome won't
StageNot given Not given
FoundedNot given Not given
Based inZA IN
Pricing modelFreemium Free
PricingFree: $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. Free: all features included. Optional donations accepted through Buy Me a Coffee.
Key features
  • 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
  • Save images from under overlays and backgrounds
  • Export as WebP, PNG or JPEG with quality settings
  • Download entire pages as a single ZIP file
  • Extract brand colors, fonts and logos
  • Generate design tokens for CSS and Tailwind
  • SVG editor with React export
  • Save real GIFs and videos
  • Copy any image as PNG
  • Private history kept only on device
What makes it different
  • 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
  • Saves images Chrome's menu cannot, including overlaid images, backgrounds and SVGs
  • Completely free with no tracking, analytics or account required
  • Extract design systems including colors, fonts and spacing as copyable tokens
  • Compress images to WebP without uploading to external sites
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)Not checked yet no change since last check1 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)010
Referring domains (Majestic)01

6 details filled in for both companies.

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