# LocalSync

> Sync localStorage data between different environments with ease.

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

## Overview

- **ID:** `local-sync`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Some Ordinary Developer
- **Category:** web-development,bookmarks,tabs
- **Version:** 1.0.1
- **Last updated:** 2026-04-18
- **First published:** 2026-04-12
- **Size:** 24 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/local-sync/)
- **Website:** [https://someordinarydeveloper.com/solving-localstorage-token-sync-in-development](https://someordinarydeveloper.com/solving-localstorage-token-sync-in-development)

## Description

This extension copies localStorage data from a source environment and writes it to a target environment under the same key, then reloads the target page.

## Rankings

- #141,351 — Overall

## Permissions and access

### Permissions

- `scripting`
- `tabs`
- `storage`

### Host permissions

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> 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

- [sync.js](https://chrome-stats.com/d/sync-js) — 1 users
- [LocalSync](https://chrome-stats.com/d/localsync)
- [NotSoLocalStorage](https://chrome-stats.com/d/notsolocalstorage) — 22 users, 3.00 / 5
- [Local Session Sync](https://chrome-stats.com/d/local-session-sync) — 1 users, 5.00 / 5
- [CookieSync: syncs cookies to localhost](https://chrome-stats.com/d/cookiesync) — 16 users
- [Cookie/LocalStorage Switcher](https://chrome-stats.com/d/cookie-storage-switcher)
- [Session & Local Storage Copier](https://chrome-stats.com/d/session-local-storage-copier) — 14 users
- [Environment Cookie/LocalStorage Switcher](https://chrome-stats.com/d/cookie-local-switcher)
- [Storage Explorer](https://chrome-stats.com/d/localstorage-explorer) — 46 users
- [Session Importer](https://chrome-stats.com/d/session-importer) — 17 users
- [localivelize](https://chrome-stats.com/d/localivelize) — 1 users
- [local-data-viewer](https://chrome-stats.com/d/local-data-viewer) — 1 users

---

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