# once

> Listing details for once.

Canonical page: [https://chrome-stats.com/d/once](https://chrome-stats.com/d/once)

## Overview

- **ID:** `once`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed (abandoned)
- **Publisher:** g650609
- **Version:** 2.0
- **Last updated:** 2019-05-13
- **First published:** 2015-03-20
- **Size:** 74 KB
- **Data as of:** 2026-08-04
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/once/)

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Very high risk likelihood

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- This extension is not longer available in the store

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [twice](https://chrome-stats.com/d/twice29) — 5.00 / 5
- [ONE ONE](https://chrome-stats.com/d/one-one)
- [never](https://chrome-stats.com/d/never)
- [first.](https://chrome-stats.com/d/first)
- [sometimes](https://chrome-stats.com/d/sometimes)
- [Twice](https://chrome-stats.com/d/twicemoonbyul) — 1 users
- [Twice](https://chrome-stats.com/d/twiceforever) — 4 users, 4.00 / 5
- [second](https://chrome-stats.com/d/second)
- [Uno](https://chrome-stats.com/d/uno)
- [odd](https://chrome-stats.com/d/odd)
- [firsttime](https://chrome-stats.com/d/firsttime)
- [firstone](https://chrome-stats.com/d/firstone)

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Source: [Chrome-Stats](https://chrome-stats.com/d/once)