For individuals, students, office workers, and tourists, using translation apps and services can help break down language and communication barriers. In this article, we will introduce 11 easy-to-use free AI translation tools. Whether you need to translate websites, have bilingual conversations, or understand a passage in a foreign language, these AI translation tools can help you easily translate over a hundred languages.
Table of Contents:
Immersive Translate
Immersive Translateis a web page translation plugin that supports bilingual comparison. It can translate web pages, PDFs, EPUB e-books, and video subtitles, while providing a comparison of the original text and the translation to help users better understand foreign language content. The plugin has a variety of top translation engines built in, such as DeepL, OpenAI, Google Translate, etc., and users can choose according to their preferences. It also has convenient features such as mouse hover translation and input box translation, making it suitable for different user groups such as language learners, researchers, business professionals, technical developers, and content creators, improving language understanding and learning efficiency.
✅ Product Advantages
- Bilingual comparison: Provides a comparison of the original text and the translation, helping users understand foreign language content more accurately.
- Multi-format support: Supports translation of web pages, PDFs, EPUB e-books, and video subtitles, meeting the needs of different scenarios.
- Top translation engines: Integrates well-known translation engines such as DeepL, OpenAI, and Google Translate to ensure translation quality.
- Convenient interaction: Supports mouse hover translation and input box translation, improving user translation efficiency.
- Format preservation: When translating PDF and EPUB files, it can preserve the format of the original file, making it easier to read and cite.
⛔ Product Shortcomings
- Translation engine limitations: Although it supports multiple translation services, advanced translation engines such as DeepL and OpenAI require payment or API key configuration to use.
- File size limitations: For large PDF files, translation may be limited by file size, and very large files may need to be split for processing.
DeepTranslate
DeepTranslateis a free AI bilingual translator that supports more than 142 languages and can generate bilingual web pages with one click, helping users quickly and accurately translate various content, including news, academic papers, social media posts, etc. It features customizable translation styles, a friendly user interface, and multi-platform compatibility, making it suitable for students, researchers, and ordinary users, improving work efficiency and comprehension.
✅ Product Advantages
- Multilingual support: DeepTranslate supports translation in more than 142 languages, covering most languages around the world and meeting the needs of different users.
- Bilingual page generation: Users can generate bilingual web pages with one click, making it convenient to compare content in different languages and improve comprehension.
- Customizable translation style: Through built-in AI prompts, the translation style can be customized as needed, ensuring that the translation results conform to industry terminology and specific contexts.
- Fast and accurate: Powered by a powerful translation engine, DeepTranslate can quickly and accurately translate complex content, including idioms and technical terms.
⛔ Product shortcomings
- Limited language support: Compared with Google Translate and others, the languages supported by DeepTranslate are mainly concentrated in European languages, Chinese, Japanese, and Korean.
- File size limit: The free version has a size limit for file translation and is not suitable for translating large files.
Baidu Translate
Baidu Translateis an online AI translation tool provided by Baidu, Inc., offering fast machine translation between Chinese and more than 190 other languages. It can translate text and speech into the target language and read it aloud. Compared with other translation tools, it better supports idioms, slang, and cultural nuances when translating Chinese. In addition, Baidu Translate also provides some other features, such as document translation, voice translation, phrase translation, and more.
✅ Product advantages
- Supports translation between multiple languages, covering most countries and regions around the world
- Provides a variety of special features, such as bilingual comparison, English polishing, synonyms and antonyms, bilingual example sentences, and more
- Supports multiple platforms, including web, desktop, mobile apps, browser extensions, and more
⛔ Product shortcomings
- Sometimes the translation results may not be accurate enough and require manual correction
Google Translate
Google Translateis a free multilingual neural machine translation service launched by Google in 2006. It provides instant translation between more than 130 different languages, including English, Chinese, Spanish, French, Arabic, and more, and supports translation between the supported languages in any direction. In addition to online translation, Google Translate also supports instant translation, image translation, voice translation, offline translation, document translation, and web page translation, among others.
✅ Product advantages
- Free, fast, supports multiple languages, and can be used offline.
- Neural machine translation provides high-quality translations
⛔ Product shortcomings
- Users in mainland China may not be able to access it directly
- Poor translation quality for complex sentences, uncommon dialects, or slang
- Does not provide more comprehensive features such as a dictionary, example sentences, synonyms, and more
Volcano Translate
Volcano Translateis an AI translation tool independently developed and launched by ByteDance AI Lab. It supports mutual translation among more than 120 languages, has a built-in authoritative dictionary, and supports multiple word lookup methods. Rich voices in 10+ languages are freely available for listening practice and shadowing. It provides special features such as PDF text format cleanup, parallel reading mode, and a personal terminology database.
✅ Product advantages
- Wide coverage of supported language translations
- Supports multiple platforms such as web, browser extensions, and WeChat Mini Programs
- Paired with Volcano Writing, it can perform AI English spelling and grammar correction
⛔ Product shortcomings
- iOS and Android apps are not yet available
- Web translation does not yet support image translation, voice translation, and more, which need to be used in the Mini Program
DeepL
DeepLIt is a highly praised online AI translation tool that, with its accurate translation quality and efficient language recognition capabilities, has become one of the most notable translation tools on the market. DeepL's translation quality is leading in the industry, and its translation results are more accurate than those of other translation tools. Because DeepL's translation algorithm uses advanced deep learning technology, it can simulate human thinking and techniques in the translation process, thereby more accurately grasping the semantics and contextual information of sentences.
✅ Product Advantages
- Good translation quality for English and German
- Supports multiple platforms, including web, Mac, Windows, iOS, Android, and Chrome extension
- Paired with the DeepL Write AI writing assistant, it can check spelling and grammar
⛔ Product Shortcomings
- Because the servers are located abroad, the website sometimes loads slowly
- The number of supported languages is relatively small; it currently provides translation for more than 30 languages
- In the free version, the number of characters that can be entered for translation at one time cannot exceed 3,000 characters
Bing Translator
Bing TranslatorIt is a machine translation service provided by Microsoft as part of its Bing search engine. It supports free translation for more than 70 different languages, including translation between common languages such as English, Spanish, French, German, Chinese, Japanese, and Russian.
✅ Product Advantages
- Integrated with other Microsoft products (such as Bing, Office, Skype, and the SwiftKey keyboard)
- Fast translation speed and support for multiple common languages
⛔ Product Shortcomings
- Language coverage is lower than that of other products, and inaccuracies occasionally appear in translations
- The free version has a limit on the amount of text that can be translated continuously, and translation quality varies by language
Tencent Translator
Tencent TranslatorIt is Tencent's latest real-time conversational translation software, supporting translation among 17 languages including Chinese, English, Japanese, and Korean. It features precise language recognition, high efficiency, and free use. It is very suitable for situations such as overseas travel, foreign communication, and spoken language practice, letting you experience the fluency and thrill of simultaneous interpretation.
✅ Product Advantages
- Provides special features such as AR translation, speaking assessment, and simultaneous interpretation
- Supports free use of the world's largest and most authoritative New Oxford English-Chinese Dictionary
⛔ Product Shortcomings
- The number of supported languages is relatively small
- An internet connection is required to use all functions, and it cannot be used offline
- Does not support translation modes such as document translation and web page translation
Sogou Translate
Sogou TranslateIt is an AI translation product launched by Sogou Search. It combines the advantages of machine translation and human translation, supports mutual translation among more than 50 languages including Chinese, English, French, and Japanese, and provides multiple functions. Sogou Translate can be applied to many scenarios such as study, daily life, and work. Whether you need to consult a dictionary, translate long texts, or conduct real-time conversational translation, it can provide effective help.
✅ Product Advantages
- Feature-rich, supporting voice translation, text translation, photo translation, two-person dialogue, and more
- Supports AI correction for English writing, can intelligently correct errors, and upgrade sentence patterns
⛔ Product Shortcomings
- It also has some shortcomings in the translation of slang and idiomatic expressions
- The range of supported languages still needs improvement; some less common languages are not supported.
Alibaba Translate
Alibaba Translateis a multilingual online real-time AI translation website provided by Alibaba, with technical support from the Machine Intelligence Technology Laboratory of Alibaba DAMO Academy. It offers intelligent machine translation services across multiple domains, covering 200+ languages. Alibaba Translate also supports multimodal translation capabilities such as document translation, image translation, video translation, and speech translation.
✅ Product Advantages
- Translation accuracy is relatively high, backed by DAMO Academy's AI technology.
- Covers many languages, supporting translation for 214 languages worldwide.
- Applicable to a wide range of scenarios, including cross-border e-commerce, language services, translation education, and corporate office work.
⛔ Product Shortcomings
- Only provides a web experience and API access; there is no mobile app.
- More suitable for product integration by commercial companies, not for daily high-frequency use by individual users.
iFlytek Smart Translation
iFlytek Smart Translationis a fast, accurate, stable, and reliable artificial intelligence translation platform launched by iFlytek. It supports mutual translation among more than 140 languages and provides multiple translation modes, including document translation, text translation, speech translation, image translation, web page translation, video translation, and audio translation.
✅ Product Advantages
- Combining iFlytek's advanced speech recognition and translation technology, speech translation accuracy is high.
- Supports translation of 23 document formats, preserving the original formatting, styles, and layout.
⛔ Product Shortcomings
- Currently only available on the web, with no support for other terminal devices.
- The free version's text translation is limited to 2000 characters.
- Translation features require login and registration before use.