Open-source alternatives to Crx Selection Translate

FluentRead is an open-source browser translation plugin that displays original text alongside its translation directly on web pages. It supports bilingual reading through side-by-side rendering, gesture-triggered activation via mouse hover, double-click, or touch, and keeps all translation data stored locally on the user's device with publicly auditable source code for privacy protection. The plugin offers a multi-engine translation selection, supporting over 20 providers including traditional services and large language models, allowing users to balance accuracy, cost, and privacy for each t

Bob is an extensible macOS utility designed for screen text extraction, translation aggregation, and speech synthesis. It functions as a wrapper that integrates multiple optical character recognition and translation services into a single interface, allowing users to capture screen areas, decode QR codes, and convert visual text into editable strings. The tool distinguishes itself through a plugin-based architecture that supports the integration of custom translation, speech synthesis, and image recognition APIs. It enables multi-engine parallel execution, allowing a single request to be proc

Read Frog is an AI-powered immersive translation browser extension that functions as a bilingual reading assistant and text explanation tool. It connects to over 20 AI providers, including OpenAI and Anthropic, with configurable endpoints, API keys, and model settings, enabling translation and explanation of web content directly in the browser. The extension distinguishes itself through several integrated capabilities. It translates webpage content by placing translations directly next to the original text for side-by-side comparison, and can process content from PDFs, videos, and comics. It

kiss-translator is a browser extension that provides an AI translation pipeline to render bilingual web content. It functions as a bilingual web translator, displaying original and translated text side-by-side while preserving the layout, formatting, and links of the original webpage. The tool distinguishes itself through deep AI customization, using terminology glossaries, conversation memory, and variable-based prompt templating to improve translation accuracy. It supports real-time translation streaming and allows users to compare outputs from multiple translation services simultaneously w

This project is an AI-powered screenshot manager and visual assistant designed for capturing screen content and processing it through large language models. It functions as an OCR translation application and screen annotation tool, allowing users to extract text from images and perform intelligent analysis of visual data. The software differentiates itself through an AI-driven OCR pipeline and the ability to convert screenshots into structured Markdown or HTML via layout-aware document transformation. It features a visual AI assistant capable of analyzing screen content and a prompt-engineere

STranslate is a desktop application that combines translation, optical character recognition (OCR), QR code decoding, and silent text-to-speech into a single tool for processing text on screen. It functions as a multi-source translation aggregator, sending queries to dozens of translation services simultaneously and displaying results side by side for comparison, while also offering OCR-based text extraction from images and QR code decoding from screen captures or files. The application distinguishes itself through a comprehensive set of automation and integration capabilities. A global hotke

STranslate is a desktop translation application that integrates optical character recognition with translation services. It functions as a screen OCR tool designed to capture digital text from images or the display to make the content editable and convertible between languages. The software provides a real-time workflow for screen text translation, allowing the conversion of foreign language text from software or documents into a native language without manual copying and pasting. The system manages the end-to-end process from screen-capture buffer processing and text recognition to asynchro

CTranslate2 is a C++ inference engine and runtime for Transformer models, designed to execute models on both CPU and GPU with optimizations for speed and memory efficiency. It functions as a model format converter, quantization tool, and REST API server, enabling deployment of neural machine translation, automatic speech recognition, and text generation models. The engine distinguishes itself through a suite of runtime optimizations including layer fusion, weight-matrix quantization, batch-by-length grouping, and a caching allocator that reuses GPU memory. It supports tensor-parallel model di

Immersive Translate is a browser-based translation tool that integrates third-party translation engines and large language models to provide automated, real-time text conversion directly within the web interface. It functions as a browser extension that intercepts and modifies web content, injecting translated text nodes into the document object model to maintain original page layouts and styling. The project distinguishes itself through its granular control over the translation process, allowing users to define site-specific rules, manage custom terminology glossaries, and customize translat

MTranServer is a self-hosted translation server that runs entirely offline using locally stored models, processing language conversions without any internet connection or GPU hardware. It functions as a translation API emulator, mimicking the endpoints of popular translation services so that existing client software can connect without requiring configuration changes. The server is designed for private, local deployment, packaged as a containerized backend for consistent installation across different environments. It supports multiple API protocols, making it compatible with browser translati

This project is an automated image translation system and pipeline specifically optimized for manga and comics. It provides a sequence of text detection, machine translation, and typesetting, and is available as an image translation API, a command-line tool for batch processing, and an LLM-powered translator. The system utilizes OCR to detect text regions and an inpainter to remove original content by synthesizing background pixels. Translated text is then overlaid using an automated typesetter that manages font sizes, colors, and reading directions based on the original coordinates. The wor

Dango-Translator is an OCR translation system and multi-engine translation client designed to extract text from images or screens and replace it with translated content. It functions as an image text translator and real-time screen translator, utilizing optical character recognition to convert text between different languages automatically. The software distinguishes itself through coordinate-based image typesetting and a glossary manager. These tools allow for the replacement of original image content with translated text in the same area and the use of specialized dictionaries to ensure con

py-googletrans is a Python translation library that serves as a wrapper for the Google Translate service. It provides programmatic tools for automated text translation and language detection. The library includes a language detection tool to identify the source language of a text string when the origin is unknown. To maintain stable connectivity, it utilizes translation request routing to direct traffic across alternative service domains. The project covers core translation services, including the ability to convert single strings or batches of text into specified destination languages.

GoldenDict-ng is a multi-source dictionary application and offline dictionary reader that enables users to search for word definitions across local files, DICT servers, and web sources in a single interface. It functions as a web-based definition browser, rendering entries using a browser engine to support HTML, CSS, and JavaScript for rich content presentation. The project distinguishes itself by integrating with Anki flashcard systems to facilitate language learning workflows and offering specialized translation tools that support clipboard monitoring and character set conversion. It also p

Tesseract is an optical character recognition engine and tool designed to convert printed or handwritten text from images into machine-readable digital text. It functions as a multilingual text extractor and a document digitization pipeline that transforms scanned images into structured digital formats. The project includes a framework for training custom scripts and language-specific models, allowing the engine to recognize new languages or unique fonts through custom training data. Its capabilities cover automated text extraction, digital archive digitization, and the export of recognized

Saber-Translator is a multimodal AI translation suite and visual editor designed for manga and comics. It functions as a comprehensive pipeline that combines optical character recognition, AI-powered translation, and image inpainting to translate text while restoring original backgrounds. The system is distinguished by its use of multimodal models to maintain narrative and character consistency across multiple pages via context windowing. It features an extensible translation framework that allows users to inject custom logic and manage third-party plugins through a zip-based distribution sys

zotero-pdf-translate is a translation extension for Zotero that converts PDF text, annotations, and bibliographic metadata into target languages using external services. It functions as an academic PDF translator and a bibliographic metadata translator, enabling the conversion of research papers, EPubs, item titles, and abstracts. The tool distinguishes itself as a multi-provider translation client that allows users to connect to various language models and APIs using custom secret keys. It features a translation comparison view that renders outputs from multiple services side-by-side to eval

This project is a multimodal translation framework and large language model capable of speech-to-speech, speech-to-text, and text-to-text translation across nearly 100 languages. It provides a real-time speech translation engine and a comprehensive toolkit for converting spoken audio between languages. The system is distinguished by its ability to preserve the original speaker's tone, pace, and prosody during translation. It utilizes a specialized on-device inference toolkit that converts model checkpoints into C-based libraries, enabling low-latency execution on mobile and edge hardware with

PaddleX is a PaddlePaddle-based framework for building, deploying, and fine-tuning AI model pipelines, with pre-built support for computer vision, OCR, document analysis, and time series tasks. It offers a toolkit of ready-to-use pipelines for image classification, object detection, segmentation, and pose estimation, alongside an end-to-end OCR document analysis pipeline that extracts text, tables, formulas, and layout information. The platform also includes a dedicated time series forecasting pipeline for analyzing historical data to detect anomalies, classify patterns, and predict future val

DeepLX is a self-hosted translation API server that provides free access to DeepL translation services without requiring a paid API token or account. It functions as a token-free proxy, enabling programmatic text translation between languages through a single HTTP endpoint. The server accepts JSON-based requests with source and target language parameters, supporting automatic source language detection and validation of language codes. It processes each translation request independently in a stateless manner, and offers optional bearer token authentication to restrict access to authorized clie

MikuTools is a multi-purpose web utility suite and AI multimedia generation platform. It provides a collection of lightweight, browser-based tools for creating and editing images, video, and audio using various artificial intelligence models. The platform distinguishes itself through integrated AI content translation and editing capabilities, including face swapping, background removal, high-resolution upscaling, and voice cloning. It also enables the generation of professional digital assets such as business cards, email signatures, and stylized code screenshots. The toolkit covers a broad

BallonsTranslator is a software suite designed for extracting, translating, and replacing text within comic panels while preserving the original visual layout. It functions as an image translation tool that combines text region detection, optical character recognition, and deep learning inpainting to automate the localization of comics. The tool features a deep learning image inpainter that removes original text and restores backgrounds using generative neural networks and patch-matching algorithms. It also includes a rich-text translation editor for modifying translated dialogue with support

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Argos Translate is an open-source Python library for offline neural machine translation. It provides a toolkit for translating text between languages using locally installed models, with support for GPU acceleration and intermediate language pivoting when a direct translation model is not available. The project offers multiple interfaces for translation, including a command-line interface for terminal-based workflows, a graphical user interface for users without programming knowledge, and a REST API server for integration with other applications. It includes a language model package manager t

Chenyme-AAVT is an AI-powered video transcription tool and translation platform. It converts speech from media files into editable text transcripts using speech recognition models and voice activity detection to ensure accurate phrasing and timing. The system functions as a content generator that transforms video transcripts into structured blog posts and marketing graphics using large language models. It also includes a subtitle formatting editor that allows for the modification of subtitle styles with a real-time video preview. The platform provides multilingual translation capabilities th

Nextai-translator is an AI-powered text processor and cross-platform translation application. Available as a desktop app and browser extension, it uses large language model APIs to translate, summarize, and refine multilingual content in real time. The tool integrates with clipboard managers and text selection utilities to trigger automated translations immediately after content is copied or highlighted. It also functions as an OCR translation utility, extracting and translating text from screenshots and non-selectable image content. Additional capabilities include a vocabulary management sy

BestBlogs is an AI-powered content aggregation and curation platform that integrates feed management with automated text analysis. It functions as a centralized reading space that collects updates from diverse digital sources, including RSS feeds and social media, to deliver personalized daily briefings and thematic digests. The platform distinguishes itself by using large language models to process, summarize, and score incoming content. It provides deep insights through generative summarization, thematic synthesis, and interactive question-answering, while also offering multilingual transla