Item logo image for Crux

Crux

ExtensionTools1 user
Item media 1 (screenshot) for Crux

Overview

Essential tools for X (Twitter) Articles - reading stats, table of contents & copy

Essential tools for X (Twitter) Articles to help you read and share long-form posts with confidence. Features ・Character Count — See total characters at a glance ・Reading Time — Estimated reading time for the article ・Table of Contents — Auto-generated from headings, click to jump ・Copy as Plain Text — One-click copy for note-taking or AI discussions How it works A small widget appears in the top-right when you open an X Article page. It updates automatically and stays out of the way. Privacy Crux runs entirely in your browser. It does not collect, store, or transmit any personal data.

Details

  • Version
    1.0.0
  • Updated
    January 25, 2026
  • Offered by
    LEVEL UP, K.K.
  • Size
    35.69KiB
  • Languages
    English
  • Developer
    LEVEL UP, K.K.
    2-19-15, SHIBUYA MIYAMASUZAKA BLDG. 609 SHIBUYA-KU, 東京都 150-0002 JP
    Email
    hello.polaris.app@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

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The developer has disclosed that it will not collect or use your data.

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
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