# TranslateBase

> "TranslateBase" is a free and powerful AI translation tool designed to provide you with a comprehensive, accurate and smooth translation experience. It can quickly translate web content, PDF documents and video subtitles in many languages around the

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

## Overview

- **ID:** `translatebase`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** TranslateBase
- **Category:** language-support
- **Daily users:** 22
- **Weekly downloads:** 5
- **Version:** 2.1.8
- **Last updated:** 2025-08-07
- **First published:** 2024-10-10
- **Size:** 374 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/translatebase/)

## Description

🔍 Main Features

✅ PDF file translation

• Free version: upload pdf documents with one click, retain the original format translation, bilingual control, essential for literature reading and business communication.
• PDF Plus: multi-column content analysis and organization into a single column, easy to read a large number of complex documents, scanned parts of the image format of the PDF can also be translated into editable text.
• Book Translation: It supports translation of entire books in PDF or plain text format, providing smooth and natural contextualization and barrier-free reading of a large number of foreign language books.

✅PDF Answers

• Through AI technology, PDF documents can be transformed into conversational “knowledge base”, and you can ask questions directly to get accurate answers. Help you summarize the content of the document, intelligently recommend potential problems, and sort out complex documents against the translation.

✅ Bilingual cross-referenced translation of web pages

• Bilingual Control/Display Translation Only: one-click translation of webpage content in foreign languages, with translation results in seconds. Retain the original webpage layout, you can display the bilingual comparison and get diversified information quickly.
• Mouse hover/ctrl+mouse translation: only need to translate the specified content? Hover the mouse over the paragraph to be translated in the webpage and press the shortcut key to get the translation result immediately.
• Multiple AI Intelligent Translation Engines: You can choose ChatGPT, DeepSeek AI, Claude AI and other engines for translation, and compare them to see and choose the appropriate translation engine for different scenarios and contexts.
• Voice playback of translation: Members support voice playback of translation results, listen to global news, listen to online novels, and say goodbye to language barriers!

✅ Video real-time subtitle translation

• Real-time video subtitle translation is available on YouTube, TED, Vimeo and many other mainstream video websites, so you can watch foreign language videos smoothly.

✅ AI word extraction & AI grammar analysis

• Extract difficult words and grammar with one click, support multiple languages. Display the original example sentences, translation and grammatical accurate analysis, collect raw words to consolidate practice at any time. Suitable for zero-based self-study language, improve learning efficiency.

⭐ Welcome to experience the powerful functions of TranslateBase, read freely and expand your global vision!

## Rankings

- #23,544 — Overall
- #23 — base
- #167 — translate
- #199 — documentation
- #206 — grammar
- #232 — deepseek

## Permissions and access

### Permissions

- `contextMenus`
- `storage`
- `tabs`
- `activeTab`

### Host permissions

- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate 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).

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