Skip to main content

Index 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.

Index compared with Markdown Viewer
DetailIndex logo IndexMarkdown Viewer logo Markdown Viewer
What it doesKeep work, personal life, and every project in its own space. Switch between them without closing tabs or losing your place. Open, read, annotate and export local and web Markdown files in Chrome or Edge
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingNot given Not given
Key features
  • Spaces, each holding its own groups that open as Chrome tab groups
  • Favorites: up to eight pinned pages that stay with you in every space
  • Sleeping tabs that go out of sight and come back when clicked
  • Hundreds of themes
  • Rewind function keeping a week of changes on your computer
  • Export one JSON file to share with AI assistants like ChatGPT or Claude
  • Search any group, space or link from any page
  • Private by design with no account, server, or network requests
  • 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
  • Keeps a week of changes you can rewind through on your computer
  • Sleeping tabs preserve your place while keeping them out of sight
  • 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)20 no change since last check8 no change since last check
Trust Flow (Majestic)05
Citation Flow (Majestic)922
Referring domains (Majestic)739

4 details filled in for both companies.

More alternatives to Index More alternatives to Markdown Viewer

Help centre