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Histiq 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.

Histiq compared with Markdown Viewer
Detail HistiqMarkdown Viewer logo Markdown Viewer
What it doesAI semantic search for your browser history and PDFs Open, read, annotate and export local and web Markdown files in Chrome or Edge
StageStartup Not given
FoundedNot given Not given
Based inUS Not given
Pricing modelFreemium Freemium
PricingFree 14-day trial (no credit card required, starts on install). Then: Monthly $6.99/mo, Annual $4.17/mo (billed $49.99/year, save 40%), or Lifetime $129 one-time payment. Not given
Key features
  • Semantic search by meaning instead of exact keywords
  • Automatic PDF indexing and search
  • Sub-50ms search latency
  • Works on Chrome and Edge from single install
  • Privacy controls including domain blocklist and URL patterns
  • Encrypted local backup and export
  • No account or login required
  • Support for PDFs up to 50 MB
  • 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
  • Only browser history tool that is 100% local with zero data transmission to servers
  • Includes full 14-day free trial with no credit card required
  • Works across Chrome and Edge without requiring separate installs
  • Lifetime purchase option with no recurring billing
  • 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)Not checked yet −1 (down) since last check8 no change since last check
Trust Flow (Majestic)25
Citation Flow (Majestic)1522
Referring domains (Majestic)3039

4 details filled in for both companies.

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