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Fontsight vs OnlyRead

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

Fontsight compared with OnlyRead
DetailFontsight logo FontsightOnlyRead logo OnlyRead
What it doesPoint at any text to see the typeface that actually rendered, who made it, and the CSS to use it. Read-only mode for AI browser agents
StageNot given MVP
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingNot given Free: $0/month, open source with bring-your-own-model key. Pro: Free during early access with 1,000 judged requests; $5/month when paid tier launches.
Key features
  • Identify fonts by pointing at text on any website
  • Shows the actual font that rendered, not just CSS fallbacks
  • Swap fonts and test alternatives on any website in real time
  • Built-in directory of 7,900+ font families from 197 type houses
  • Find free alternatives to paid fonts
  • Test fonts with waterfall, paragraph and glyph views
  • No account required, no data collection
  • Blocks write, post, delete and purchase operations
  • Works with any Chromium browser and AI agent
  • App-specific rules and request classification
  • Open source codebase
  • Central control across multiple browsers (Pro)
  • One-link agent browser setup (Pro)
  • No API key required (Pro)
  • Per-account usage limits with fail-closed behavior
  • Tested on 1,000+ real tasks
What makes it different
  • Identifies the actual font that rendered on the page, not just CSS preferences
  • Built-in font directory with 7,900+ families from 197 type houses and 98 brands' in-house fonts
  • Finds free Google Font alternatives to expensive paid typefaces
  • Test any font on any website with live preview and CSS output
  • Reduces accidental changes by AI agents without eliminating access to read data
  • Open source with full code transparency
  • Fail-closed design for unclassified requests
  • Tested against real AI agent tasks on major websites
  • Fully managed Pro option with no setup required
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)4 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)00
Referring domains (Majestic)00

4 details filled in for both companies.

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