Eshelper

Eshelper, the world-leading cross-platform translation software, supports translation by selecting words. Eshelper is an AI-era translation tool integrated with large language models, making translation intelligent and efficient. This powerful browser extension supports selected-text translation, paragraph-by-paragraph bilingual translation, bilingual video subtitle translation, and translation of documents in popular formats such as PDF. It aims to provide a convenient translation experience. Users can also choose their own translation engines and use cutting-edge large models such as 欧路AI and DeepSeek to quickly obtain accurate translations. The extension also syncs learning records with the Eshelper desktop client to provide personalized learning support. == New version improvements == [26.9.0] - Optimized translation display on some websites - Fixed subtitles not being segmented in some YouTube videos [26.7.0] - Added bilingual subtitle support for more major video websites - Added the ability to look up words in translated video subtitles - Added outline styles for video subtitles - Fixed two windows appearing for selected-text translation in NetEase Mail [26.4.0] - Improved translation display on websites including X.com - Fixed garbled output from SiliconFlow AI models - Fixed saved phrases appearing unsaved when selecting text again - Fixed the source language reverting to "Auto" when translating selected text with the sidebar open [26.3.1] - Improved loading speed of the selected-text translation popup - Fixed automatic pronunciation in selected-text translation being in English - Fixed subtitle problems in some YouTube videos [26.3.0] - Added a blur display option for YouTube subtitles - Added separate font size controls for original and translated YouTube subtitles - Fixed spaces disappearing between words in original YouTube subtitles - Fixed incorrect positioning of YouTube subtitles aligned to the bottom - Fixed the context section of selected-text translation displaying "not enabled" [26.2.0] - Kept the word lookup popup within the visible area when a webpage is zoomed in - Added support for selecting multiple words in YouTube subtitles for lookup - Fixed subtitles not being segmented in some YouTube videos - Fixed subtitles that are not aligned to the bottom shifting when the YouTube progress bar appears or disappears [26.1.1] - Added automatic target language detection for input box translation - Added rules for disabling the webpage extension - Added usage guidance for new extension users - Improved loading speed for highlighted key words - Improved translation display on some websites - Fixed the context section of selected-text translation displaying "not enabled" - Fixed input box translation not working on reddit - Fixed the inability to switch translation styles for Google Gemini and DeepSeek AI [25.12.1] - Added an option to always translate or highlight webpages in specified languages - Added import, export and cloud sync for extension settings - Added an option to set the extension's display language - Improved selected-text translation to support keyboard shortcut activation - Added an option to mark words as mastered in the highlighted word explanation window - Improved access speeds in Asia; users can switch routes when the network is slow - Improved translation display on some websites - Fixed word lookup failing on certain webpages when intelligent context translation was enabled - Fixed multiple blank lines appearing on pages when automatic line wrapping for long paragraph translations was enabled - Fixed translation causing webpage navigation [25.11.1] - Added an option to always translate or highlight webpages in specified languages - Added import, export and cloud sync for extension settings - Added an option to set the extension's display language - Improved selected-text translation to support keyboard shortcut activation - Added an option to mark words as mastered in the highlighted word explanation window - Improved access speeds in Asia; users can switch routes when the network is slow - Improved translation display on some websites - Fixed word lookup failing on certain webpages when intelligent context translation was enabled - Fixed multiple blank lines appearing on pages when automatic line wrapping for long paragraph translations was enabled [25.9.1] - Added free use of SiliconFlow and Zhipu AI models - Added translation models including Tencent Hunyuan, Doubao and Kimi - Added double-click word lookup in the selected-text popup and sidebar - Improved support for translating text in WhatsApp input boxes - Improved translation on some websites - Fixed the paragraph translation shortcut failing to switch back to the original text - Fixed key word highlighting causing repeated paragraph translations - Fixed the option for overseas users to select the Google Translate engine [25.8.1] - Added free use of the Zhipu GLM-4-Flash model - Added intelligent context translation for more accurate paragraph translation - Added a vocabulary list menu to the selected-text popup and sidebar - Added transparency effects for translated text styles - Improved translation on some websites - Fixed translation display in Chrome dark mode [25.8.1] - Added free use of the Zhipu GLM-4-Flash model - Added intelligent context translation for more accurate paragraph translation - Added a vocabulary list menu to the selected-text popup and sidebar - Added transparency effects for translated text styles - Improved translation on some websites - Fixed translation display in Chrome dark mode [25.7.0] - Added a dictionary sidebar - Added support for vocabulary lists synced from the mobile app - Added system audio capture for simultaneous interpretation, with faster real-time translation - Fixed missing YouTube subtitles for some users - Fixed word lookup display in dark theme - Fixed note images not appearing in word lookup [2.1.1] - Fixed double-click word lookup not working - Fixed missing YouTube subtitles for some users - Added custom interface theme colors - Added support for pressing Shift again to hide paragraph translations - Added streaming output for translation results - Added drag-and-drop positioning for the YouTube subtitle box - Limited highlighting of the same key word to three times per page - Improved website translation compatibility [2.1.0] - Fixed missing YouTube subtitles for some users - Added custom interface theme colors - Added support for pressing Shift again to hide paragraph translations - Added streaming output for translation results - Added drag-and-drop positioning for the YouTube subtitle box - Limited highlighting of the same key word to three times per page - Improved website translation compatibility [2.0.9] - Added custom interface theme colors - Added support for pressing Shift again to hide paragraph translations - Added streaming output for translation results - Added drag-and-drop positioning for the YouTube subtitle box - Limited highlighting of the same key word to three times per page - Improved website translation compatibility - Fixed missing YouTube subtitles for some users [2.0.9] - Added custom interface theme colors - Added support for pressing Shift again to hide paragraph translations - Added streaming output for translation results - Added drag-and-drop positioning for the YouTube subtitle box - Limited highlighting of the same key word to three times per page - Improved website translation compatibility - Fixed missing YouTube subtitles for some users [2.0.7] - Added an option to ignore mastered words when highlighting vocabulary list words - Added concise definitions to the right of highlighted words - Improved translation of text containing HTML elements - Improved the concise explanation window for highlighted words - Optimized memory usage during translation [2.0.4] - Added a translated-text-only mode for webpage translation - Added direct note editing in the word definition popup - Added direct export of document translations in docx, pptx and xlsx formats - Added custom pronunciation engines for reading original and translated document text aloud - Improved translation on websites including YouTube, X and arXiv - Improved sentence segmentation for YouTube video subtitles - Fixed key word highlighting always displaying definitions [2.0.1] - Added custom third-party large language models as translation engines - Added DeepSeek V3 as a translation engine - Added a new PDF translation engine supporting side-by-side and immersive reading - Added document translation for formats including Epub and docx - Added display of the reasoning process when using the DeepSeek R1 model - Added support for local Ollama large model engines in translation - Improved website translation compatibility [2.0.0] - Added custom third-party large language models as translation engines - Added DeepSeek V3 as a translation engine - Added a new PDF translation engine supporting side-by-side and immersive reading - Added document translation for formats including Epub and docx - Improved website translation compatibility [1.4.0] - Added custom prompt styles [1.3.1] - Added support for more third-party translation models - Improved website compatibility [1.3.0] - Added support for the latest gpt-4o-mini model [1.2.8] - Added single-click word lookup when using the extension on a phone [1.2.5] - Updated third-party translation engines [1.2.2] - Added translation engines including Niutrans, GPT-4o and Deepseek - Added separate on/off controls for video translation by website - Added automatic pronunciation for key words - Added selected-text translation to the PDF reader [1.2.1] - Integrated AI context into AI explanations [1.1.9] - Added "Context" to selected-text searches for better understanding of context (free for a limited time) [1.1.6] - Added split-screen PDF translation - Added translation of scanned PDF files - Improved PDF reading - Allowed custom addresses for AI translation engines [1.1.5] - Added split-screen PDF translation - Added translation of scanned PDF files [1.1.2] - Added highlighting of vocabulary list groups as key words - Added YouTube subtitle style and font size customization [1.1.0] - Added a word lookup box - Added selected-text search on PDF pages - Added a keyboard shortcut to add words to the vocabulary list - Added Apple ID login - Added night mode [1.0.7] - Added YouTube subtitle support - Added custom translation shortcuts - Added a quick way to turn off paragraph translation - Added a selected-text icon - Improved PDF translation - Added a default vocabulary list setting == Main extension features == 📰 Webpage translation - Quickly translate webpages with one click and compare original and translated text paragraph by paragraph; - Select unfamiliar words to see definitions and use AI context analysis to understand them accurately; - Highlight key words based on your chosen vocabulary level to build vocabulary; - Translate input box content and configure the target language, separator and trigger key. 🎞 Video subtitle translation - Automatically generate bilingual subtitles on major online video platforms such as YouTube and Bilibili; - Select unfamiliar words in subtitles to see definitions and use AI context analysis to understand them accurately. 📚 Online text translation - Translate in real time across major world languages for accessible cross-language communication; - Create custom terminology lists to match domain-specific language and meet professional translation needs. 📃 Free PDF document translation - Use an immersive layout displaying original and translated text side by side, convenient for reading academic papers, technical manuals and more; - Customize translation styles such as font and color for a personalized reading interface; - Export bilingual translated documents with one click for later saving, sharing and use. 💡 Custom translation engines and styles - Includes several cutting-edge large model engines and allows you to configure an API KEY. Understand complex text deeply and redefine the boundaries of intelligent translation; - Includes a variety of official translation styles, such as conversational, formal and paragraph-by-paragraph analysis, and supports custom translation style prompts.