Preface
Usually we want to translate something, certainly the first thought is Google Translate, Baidu Translate, these two software is really free and good, but when you need to translate is a long, contains a lot of terminology and the format is PDF literature, the paper, these commonly used translation software appears to be a bit incompetent. Either there is a limit to the size of the uploaded file, or the translation charges are expensive. In order to make it more convenient and less expensive to translate long papers and documents, we have carefully compiled 4 tools that support AI full-text translation to make your daily study and work more convenient.
4 AI Full Text Translation Software Recommendations
1. SimplifyAl

SimplifyAl is an AI document translation tool, SimplifyAl adopts the most cutting-edge large language translation model, can retain the original layout format at the same time to complete an accurate full-text translation, support for most of the mainstream document formats such as PDF, Word, Excel, PowerPoint, SRT subtitles, ePub e-books, HTML web pages, PO resource files, etc. SimplifyAl can upload up to 2GB large files and support up to 90+ languages to translate each other, It supports most mainstream document formats such as PDF, Word, Excel, PowerPoint, SRT subtitles, ePub eBooks, HTML web pages, PO resource files, etc., with a maximum upload size of 2GB, and supports mutual translation of up to 90+ languages.SimplifyAl still supports modification of translations after the translation is completed, and you can download the translated document after checking, or download the bilingual version, to satisfy different needs.
SimplifyAl is not only suitable for translating papers and documents, but also for translating manuals, picture books, magazines, menus, storybooks, novels, comics and other book documents.
Functions at a glance
- Document Upload AI Translation
- Multi-language support
- Multi-format support
- Large file upload
- Encryption PDF Translation
- Image Translation
- Manual revision of translations
- bilingualism
- glossary
- Translation History Search
- Display Mode Switching
Description of prices
SimplifyAl Support after signing upFree TrialThe free user can view a preview of the translation of the document, but cannot download it, and is offered a free credit of 1500 Token. For more credits, consider purchasing points.
2. NoteGPT

NoteGPT is a one-stop learning platform based on Artificial Intelligence (AI) technology.NoteGPT provides a variety of functions, covering article generation, flowchart generation, document processing, video processing, teaching and problem solving, etc., with dozens of sub-functions.
PDF translation is one of the features, NoteGPT can currently translate 54 languages including Chinese, just upload a PDF file within 200 MB, you can quickly complete the bilingual translation. The translation will retain the original layout formatting, including tables, formulas, footnotes and other complex content can be completely translated, without worrying about missing content or layout confusion. After translation, you can also generate summary abstracts and mind maps for the translated text, and conduct AI Q&A to better understand and organize the content of the document.
Functions at a glance
- Long PDF Translation
- Multi-language support
- bilingual translation
- AI Q&A
- AI Summary Summary
- AI mind map generation
Description of prices
SimplifyAl Support after signing upFree TrialThe translation is free of charge, with a certain amount of free translations and support for downloading translated PDFs.
3. DocHero Al

DocHero Al is an online AI paper translation and writing software, which uses the most advanced AI models such as ChatGPT, Claude, DeepSeek, Gemini, etc. DocHero Al not only generates professional and smooth academic papers based on the prompts, but also improves the writing level by understanding the original text accurately and refining the wording. DocHero Al not only generates professional and fluent academic papers for users based on prompt words, but also refines the wording by understanding the original text accurately, embellishes the original text, and improves the writing level.DocHero Al also translates multi-language documents, supports retaining the original layout format, and ensures the accuracy of terminology and the appropriate academic tone, so that you can upload a PDF document to quickly complete the translation of a long paper without the need for cumbersome manual identification and the copy-and-paste process. process.
Functions at a glance
- copy-paste translation
- Multi-format document translation
- Translation of academic papers (PDF only)
- Multi-language support
- Original format translation
- bilingualism
Description of prices
DocHero Al Sign up for support after loginFree to useThe Translate Thesis feature is permanently free of charge, and you get 30 tokens for signing up, which can be used for the feature.
4. DeepL

DeepL is one of the popular foreign AI intelligent translation software, which utilizes deep learning technology to simulate human thinking mode and translation skills when translating, so as to more accurately grasp the semantics of the translated passage based on the context, so DeepL can provide users with more accurate real-time fast translation compared to the traditional machine translation, and the quality of the translation is also far ahead of similar translation software. DeepL supports a total of 33 languages, supports uploading documents and key translation, and supports voice recognition translation in some languages. supports a total of 33 languages, supports uploading files for one-key translation, and supports voice recognition translation in some languages.
DeepL provides webpage online use, mobile client download use, PC client download use, and Chrome extension.
Functions at a glance
- 33 language translations
- AI file translation (supports PDF/DOCX/PPT formats)
- Unlimited Text Translation
- speech recognition translation
- Original formatting retained
- bilingualism
- Customized Glossary
- look up words in a dictionary
- Change the tone of the translation
- Elimination of ambiguity in the text
Description of prices
DeepL Support after registering and logging inFree to useFor more credits and benefits, consider purchasing a membership.
Conclusion
The recommended 4 AI document translation tools are basically equipped with free credits, are supported by the translation of Chinese, you can try Oh.