TL;DR
A Firefox add-on called ToXCancel reroutes attempts to open x.com or twitter.com to xcancel.com, a mirror that lets users read threads and replies without an account. The extension is available for Firefox for Android, is listed under Social & Communication, and carries a GNU GPL v3.0 license.
What happened
A Firefox browser add-on named ToXCancel, published by developer gturri, automatically redirects visits to x.com or twitter.com to xcancel.com, which the listing describes as a mirror of the site. The tool is offered through Mozilla’s add-ons site and targets users of Firefox for Android. The extension is distributed under the GNU General Public License v3.0 and is installed by over 2,000 users according to the listing. ToXCancel is at version 1.3, occupies about 63.52 KB, and was last updated on May 11, 2025. The add-on has a 4.8 average score from 17 reviewers on the Mozilla page. The listing notes optional permissions for accessing data on x.com and twitter.com; other technical or security details beyond what the page shows are not provided in the source.
Why it matters
- Provides a way to view public threads and replies without signing into the original site, according to the add-on description.
- Alters how browser navigation to specific social sites is handled, which may affect user workflows and content access.
- Optional domain permissions mean users should review what site data the extension can access before enabling them.
- Distributed under an open-source license, which can allow community review of the code if the source is made available.
Key facts
- Extension name: ToXCancel
- Developer: gturri (listed on Mozilla Add-ons)
- Primary function: Redirects attempts to load x.com or twitter.com to xcancel.com (described as a mirror)
- Available platform: Firefox for Android (listing specifically notes this availability)
- User base: 2,006 users stated on the add-on page
- Rating: 4.8 average from 17 reviews on Mozilla’s site
- Version: 1.3
- Size: 63.52 KB
- Last updated: May 11, 2025 (listed as 8 months before the page snapshot)
- License: GNU General Public License v3.0 only
What to watch next
- Whether the developer extends support to desktop Firefox — not confirmed in the source
- Any future updates or security audits of the extension — not confirmed in the source
- Availability and reliability of the xcancel.com mirror over time — not confirmed in the source
Quick glossary
- Browser extension: A small software module that adds features or modifies behavior in a web browser.
- Mirror site: A copy or replica of another website, often hosted to provide alternative access or redundancy.
- Permissions: Authorizations an extension requests to access browser or site data; users typically grant these to enable functionality.
- GNU General Public License v3.0: An open-source software license that allows users to run, study, share, and modify the software under specified terms.
- Twitter / x.com: A social networking and microblogging service; the source page refers to both twitter.com and x.com in the context of redirected pages.
Reader FAQ
What does ToXCancel do?
It redirects browsing attempts for x.com or twitter.com to xcancel.com, described on the add-on page as a mirror.
Where is the extension available?
The listing specifies availability for Firefox for Android.
Is the extension open source?
The add-on is listed under the GNU General Public License v3.0 only.
Does the extension require access to my browsing data?
The listing shows optional permissions to access data for sites in the x.com and twitter.com domains.
Will it be available on desktop Firefox?
not confirmed in the source
Firefox Browser Add-ons Extensions Themes More… Log in Search Search ToXCancel by gturri Redirects to xcancel.com (a mirror of x) when the browser is about to load an x.com page…
Sources
- Firefox extension to redirect x.com to xcancel.com
- X Redirect – Get this Extension for Firefox (en-US)
- Browser extension (Firefox, Chrome, Opera, Edge) to …
- XCancelRedirect – Get this Extension for Firefox (en-US)
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