# peekablock

> See the effects of the transaction suggested in metamask.

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

## Overview

- **ID:** `peekablock`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** cergyk
- **Category:** privacy-security
- **Version:** 0.1.7
- **Last updated:** 2022-07-15
- **First published:** 2022-06-22
- **Size:** 2.81 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/peekablock/)

## Description

Peekablock is a Firefox add-on that allows you to see the effects of the transaction suggested by a website for user signature in Metamask. This includes ERC20/ERC721 transfers, ERC20/ERC721 approvals, and more. Protect yourself from online scams by knowing what you sign.

## Rankings

- #134,327 — Overall
- #19 — metamask

## Permissions and access

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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).

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