I use Arch, btw by R2 Titan

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I use Arch, btw
A faithful Firefox port
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Embrace the meme. Share your love for Arch Linux
with every website you visit by appending
"I-use-Arch-btw" to your browser's User-Agent on
every outgoing request.

This is a Firefox port of Aleksandersen's
original Chrome extension, rebuilt from the
ground up for Firefox with extra features and
performance tuning.

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What it does
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• Appends " I-use-Arch-btw" to your User-Agent
  on every outgoing HTTP request. Every server,
  every analytics platform, every API endpoint
  hears the news.
• Toolbar icon shows live state per tab — blue
  Arch logo on real websites, grey on internal
  pages like about:newtab or about:config.
• Click the icon for a four-tab popup:

Status — Toggle the extension on/off, see
your live User-Agent with the suffix
highlighted, copy it to clipboard,
and pick Light or Dark theme.

Stats — Counter of how many announcements
you've made (locale-aware formatting),
days you've been spreading the meme,
and a Brag button that copies a
shareable summary for social media.

Trophies — Permanent trophy case with 8
ranks from First Convert to AUR
Legend. Trophies persist forever —
resetting the counter never clears
them. Hover any unlocked trophy to
see the date you earned it.

Credits — Attribution to the original Chrome
extension author, the port author,
and the Arch trademark notice.

• Welcome page on first install with a live
  preview of your modified User-Agent.
• A small easter egg lives in the Credits tab.
  Find it.

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Privacy
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No data collection. Nothing leaves your browser.
The User-Agent modification happens locally,
right before each request leaves Firefox. All
state (counter, trophies, preferences) lives in
your browser's local storage and is never
transmitted anywhere.

Declared formally via
data_collection_permissions: ["none"] in the
manifest, surfaced to you at install time.

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Changelog
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1.0.7 — Bug fixes ──────────────────────────────────

Fixed the counter briefly showing 0 when
opening the popup — it now reads from storage
instantly instead of waiting on the
background script.
Fixed ugly User-Agent text wrapping where a
single letter could end up alone on a line.
The "I-use-Arch-btw" suffix now stays
together as one unit.


─── 1.0.6 ─────────────────────────────────────
- Fixed a race condition that could reset the
site counter to ~0 on Firefox startup. The
webNavigation listener used to fire before
the stored state had finished loading,
causing the saved count to be overwritten
with a fresh increment. The handler now waits
for storage to load before counting.

─── 1.0.5 ─────────────────────────────────────
Major feature release

• Trophies tab: a permanent trophy case showing
  all 8 achievement ranks.
• Unlock timestamps: hover any unlocked trophy
  to see when you earned it.
• New-trophy indicator: a pulsing dot on the
  Trophies tab when something's newly unlocked.
• Counter now counts every top-frame page
  navigation (reloads and revisits included).
  Achievements reachable through normal use.
• Copy User-Agent button in popup and welcome.
• Brag button copies a shareable summary.
• "Spreading the meme for X days" stat.
• Easter egg in Credits.
• Light / Dark theme picker, persisted.
• Welcome page on first install.
• Locale-aware thousands separators.
• Fixed popup jitter between tabs.
• Fixed badge dot not clearing on Trophies.
• Optimized tabs.onUpdated listener.

─── 1.0.4 ─────────────────────────────────────
- Added Firefox port author credit (R2 Titan)
alongside the original author (Aleksandersen).

─── 1.0.3 ─────────────────────────────────────
- Popup remembers your last open tab within a
Firefox session. Resets to Status on restart.

─── 1.0.2 ─────────────────────────────────────
- Performance overhaul. Disabling fully
unregisters the request listener. Site
counter moved off the blocking webRequest
path. Hot path tightened.

─── 1.0.1 ─────────────────────────────────────
- Counter updates instantly. Storage debounce
reduced. AMO validation warnings cleared.
strict_min_version bumped to Firefox 140.

─── 1.0.0 ─────────────────────────────────────
- Initial release. Faithful port of the
original Chrome extension by Aleksandersen.

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Original Chrome extension by Aleksandersen.
Firefox port by R2 Titan.

"Arch Linux" and the Arch logo are trademarks of
the Arch Linux Project Leadership. This
extension is a non-commercial fan project for
advocacy and lols.

I use Arch, by the way.