Proof The Threadinator Works for Thread Numbering on X
The Threadinator provides one-click numbering and re-numbering for X/Twitter threads, with clear constraints and maintenance transparency.
The Threadinator is a Chrome extension that automatically numbers thread posts on X/Twitter.
Last tested on February 25, 2026 across supported Chromium browsers.
Before and after screenshots
Before numbering
After numbering
Known limitations
- The extension depends on x.com interface behavior, which can change over time.
- Non-Chromium browsers like Firefox and Safari are not supported yet.
- If numbering format is manually altered, re-numbering reliability can decrease.
Browser compatibility matrix
| Browser | Support | Notes |
|---|---|---|
| Chrome | Supported | Full support |
| Edge | Supported | Chromium-based |
| Brave | Supported | Chromium-based |
| Opera | Supported | Chromium-based |
| Firefox | Not supported | Planned later |
| Safari | Not supported | Planned later |
Maintenance cadence: weekly compatibility checks after deploys.
FAQ
- How recently was The Threadinator tested?
- The core X/Twitter numbering workflow was last tested on February 25, 2026.
- What evidence is provided on this page?
- You can review before/after screenshots, browser compatibility, explicit limitations, and maintenance notes.
- Does proof guarantee future compatibility forever?
- No. Platform changes on x.com can affect any extension, so continuous maintenance remains necessary.
Related pages
Last updated: February 25, 2026