# Live Expression

> Evaluate live expressions in the devtools console.

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

## Overview

- **ID:** `live-expression`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Faihan
- **Category:** web-development
- **Daily users:** 7
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.0.2
- **Last updated:** 2024-03-24
- **First published:** 2024-03-23
- **Size:** 13 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/live-expression/)

## Description

This extension adds a new panel in devtools. You can supply a snippet and this extension will run the given code every 250 ms. 

You can add multiple expressions, pause expressions temporarily and delete all of them in one go.

## Rankings

- #38,225 — Overall
- #57 — ali express
- #106 — live
- #157 — mission
- #183 — press
- #186 — console

## Permissions and access

### Permissions

- `devtools`

### Content script matches

- `*`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Low 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/live-expression)