DeepL Translator with Free API key

Name: DeepL Translator with Free API key
Rating: 5 (1 reviews)
Author: DeepL Free Translator

By: DeepL Free Translator

Translate web pages using DeepL free API key.

Download

Install

Features & Capabilities

DeepL Free Translator

A Firefox add-on that translates web pages using the DeepL API.

Features

Full webpage translation
Dark mode support
DeepL API key management
Automatic language detection

Getting a DeepL API Key

Visit DeepL API Free and sign up for a free account
After registration, go to your Account Summary
Your API key will be displayed under the "Authentication Key for DeepL API" section
Copy this key and paste it into the extension's settings

Note: The free DeepL API has a limit of 500,000 characters per month. You can check your usage in your DeepL account dashboard.

Usage

Click on the extension icon to open the popup
Enter your DeepL API key and save it
Select your target language
Click "Translate Current Page" to translate the visible content
The extension will translate content as you scroll through the page

User Growth & Download Statistics

Add-on

By:

DeepL Free Translator

Daily users:

24 -1

Rating:

5.00

(1)

Version:

1.0.1 Last updated: 2025-03-13

Version code:

5909309

Creation date:

2025-03-12

Risk:

Permissions:

storage
activeTab
<all_urls>
contextMenus
theme

Content scripts matches:

<all_urls>

Size:

60.97KB

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-07-10

Compare stats and ranking:

Ranking

# 21,650 ▼ 447

Other rankings

#196 in free keyword 94 ▼ 5#199 in free vpn keyword 91 ▼ 4

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

DeepL Free Translator

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/deepl-translator-free-api-key/

Website:

https://github.com/ether-moon/deepl-free-translator

User Reviews

The features are very convenient and excellent. However, the icons are barely visible in Firefox's light theme. I hope this can be improved.

by Ju*****, 2026-06-25

View all user reviews ›

Is DeepL Translator with Free API key Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

DeepL Translator with Free API key requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details

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

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

DeepL Translator with Free API key has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
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