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MarkVault

ExtensionTools
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Overview

Auto-backs up bookmarks to a searchable local vault.

MarkVault automatically backs up every X (Twitter) bookmark to a local, searchable vault on your device. Never lose a saved post again. X can delete posts, accounts get suspended, and bookmarks disappear. MarkVault keeps a permanent local copy of everything you've ever bookmarked. FREE FEATURES ✓ Auto-backup X bookmarks to local vault ✓ Works on x.com and twitter.com ✓ Zero data collection — runs entirely on your device ✓ Under 50KB — zero performance impact PRO FEATURES (one-time $4.99 — lifetime) ★ Unlimited backup history (free tier: last 500) ★ Full-text search across all bookmarks ★ Export to CSV and JSON ★ Bookmark folders and tags PRIVACY MarkVault collects zero personal data. All bookmark data is stored locally on your device. No data is transmitted to any server. Privacy policy: https://donmega2050.github.io/-xbusinessfactory.github.io/privacy-policy.html SUPPORT Questions? xbusinessfactory@gmail.com

Details

  • Version
    1.0
  • Updated
    May 9, 2026
  • Offered by
    X-Business-Factory
  • Size
    21.01KiB
  • Languages
    English (United States)
  • Developer
    X Business Factory
    4950 W Craig Rd Ste 3 PMB504 Las Vegas, NV 89130 US
    Email
    xbusinessfactory@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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