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.

0 out of 5
No ratings
Learn more about results and reviews.

Details

Version
1.0.0
Updated
January 25, 2026
Flag concern
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

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.

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

Tweet Copier - Copy Twitter / X Threads

5.0

Copy tweets and full X (Twitter) threads in one click. Instantly save clean text for research, notes, writing, and archiving.

Twitter Exporter

4.5

Powerful data export tool for X (formerly Twitter), Export tweets, threads, and more from X platform

X Article to Markdown

5.0

Copy or save X (Twitter) Articles as Markdown

X Content Filter

3.0

Filter unwanted content from your X/Twitter feed

Minimal Theme for Twitter / X

4.5

Refine and declutter the 𝕏/Twitter web experience.

BookmarkHub - Twitter Bookmark Manager

2.7

Import and manage your Twitter/X bookmarks with BookmarkHub's powerful interface

X (Twitter) Auto Refresher

4.1

Auto refreshes X (Twitter) home page

X/TwitBot Pro - Auto Like, Comment, Follow

5.0

Automate X/Twitter engagement: extract users, auto-like, auto-comment, bulk follow/unfollow

Nutshell: Summarise Webpages

1.0

In a nutshell: Summarise webpages from news articles to Twitter threads.

X (Twitter) Follower Count Hider

5.0

Hides follower and following counts on X (formerly Twitter) profiles

Post Translator for TWITTER X.COM

4.7

This is a convenient tool for instant translation of tweets from the X.COM website into your native language

UnTwit (X)

2.9

Effortlessly un-repost and unlike posts (tweets) with a single click. A great tool to manage your X (Twitter) presence.