# Tero - Save trees by browsing online

> Tero turns your browser into a force of positive change and lets you fight climate change simply by browsing online.

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

## Overview

- **ID:** `tero`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Tero
- **Category:** appearance,social-communication,tabs,shopping
- **Daily users:** 144
- **Weekly downloads:** 2
- **Rating:** 4.44 / 5 (18 ratings)
- **Version:** 2.52.94
- **Last updated:** 2023-11-12
- **First published:** 2018-10-25
- **Size:** 5.83 MB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/tero/)
- **Website:** [https://www.jointero.org/](https://www.jointero.org/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/tero/privacy/](https://addons.mozilla.org/firefox/addon/tero/privacy/)

## Description

Tero - Save trees by browsing online is a Firefox add-on that changes your browsing experience, replaces ads to save trees, offers cashback when shopping, and provides customizable features to make a positive impact on the environment.

## Rankings

- #9,668 — Overall
- #373 — Shopping
- #15 — browsing
- #17 — tropes
- #38 — online
- #51 — sustainable

## Permissions and access

### Permissions

- `activeTab`
- `tabs`
- `webRequest`
- `storage`
- `cookies`
- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

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

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- [TreeClicks - Plant Trees while Shopping Online](https://chrome-stats.com/d/treeclicks) — 66 users, 5.00 / 5
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- [Idleforest](https://chrome-stats.com/d/idleforest) — 11 users, 5.00 / 5
- [Tundra Search](https://chrome-stats.com/d/tundra-search) — 1 users
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- [freetree - plant trees for free🌳](https://chrome-stats.com/d/freetree_shop-and-plant-trees) — 254 users, 4.44 / 5
- [Search For Trees - Search Engine That Plants Trees](https://chrome-stats.com/d/search-for-trees) — 42 users, 5.00 / 5
- [Tab-a-Tree](https://chrome-stats.com/d/tab-a-tree) — 1 users
- [EchoTab](https://chrome-stats.com/d/echotab) — 5.00 / 5

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