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Web4 Browser vs Markdown Viewer

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

Web4 Browser compared with Markdown Viewer
DetailWeb4 Browser logo Web4 BrowserMarkdown Viewer logo Markdown Viewer
What it doesAI antidetect browser and multi-account workspace with true-to-device browser identity Open, read, annotate and export local and web Markdown files in Chrome or Edge
StageNot given Not given
FoundedNot given Not given
Based inHK Not given
Pricing modelFreemium Freemium
PricingFree plan includes 3 browser environments with no team members. Starter at $9/month provides 15 environments. Small Team at $19/month includes 1 team member and 55 environments. Popular at $39/month includes 2 team members and 125 environments. Scale Team at $69/month includes 4 team members and 250 Not given
Key features
  • Isolated browser profiles with persistent identity and session data
  • Real-device fingerprinting and AI environment modeling
  • Per-profile proxy and network configuration
  • Browser automation with visual workflows and headless execution
  • Team permissions, roles, and activity logging
  • AI browser workflows and MCP skill integration
  • Multi-environment grouping and workspace organization
  • Profile template copying and batch creation
  • Folder browsing and file navigation with reading position memory
  • Document outline and search across folder or document
  • Highlights, underlines, and comments linked to source
  • Diagram rendering including Mermaid, Graphviz, PlantUML and Vega-Lite
  • Math rendering with KaTeX and syntax-highlighted code
  • Multiple views as document, mind map, or presentation
  • Export to HTML, Word, PDF, PNG, SVG and JPEG
  • Customizable document themes and background skins
  • Localized interface in 15 languages
  • All processing and data stored locally on device
What makes it different
  • Real-device signals and AI environment modeling instead of manual parameter mixing
  • Isolated execution boundaries with team-level access control and activity logging
  • Unified workspace for profiles, proxy routing, automation, and team handoffs
  • Works offline with no account required
  • Renders technical Markdown inline including diagrams, math and code
  • Multiple connected views of the same file as document, mind map or presentation
  • Export to multiple formats without modifying the original Markdown
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)44 no change since last check8 no change since last check
Trust Flow (Majestic)85
Citation Flow (Majestic)2622
Referring domains (Majestic)5439

4 details filled in for both companies.

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