Open Source Language Translation
The best 50 Open Source Language Translation AI tools - Free & Paid
Explore 50 AI for Open Source Language Translation
OpenL Translate converts text, PDFs, images, and audio into 100+ languages, supporting dialects and emojis. Fast mode delivers short translations; Advanced mode offers precision for legal documents. It handles 150k characters and 40 scanned PDFs daily, processing locally for privacy.
Subscription
Online Document Translator provides professional translations while preserving original formatting across various document types. It supports over 80 languages, offers batch processing, custom terminology, online editing, and ensures data privacy, making it ideal for individuals and teams.
Freemium
- $5
Immersive Translate is a browser and mobile extension that offers side‑by‑side bilingual web pages, translates PDFs, ePub, DOCX, subtitles, adds subtitles to videos, provides live translation for Zoom, Google Meet, Teams, OCR‑based image translation for students, researchers, and professionals.
Free
Transor translates websites, PDFs, images and videos using OCR, in‑paint rendering and real‑time bilingual subtitles. It detects core content for low‑intrusion bilingual reading, supports multiple translation engines, browser extensions, selection shortcuts and export features.
Free
DeepL is an AI-powered translation tool that offers text translation from 31 languages and supports files like PDFs and Word documents. It includes a dictionary for looking up words and has both free and Pro versions with added features.
Free trial
OpenCode.ai is an open-source AI coding agent that runs directly in your terminal, IDE, or desktop. It connects to 75+ LLM providers, supports offline use, and enables multi-session collaboration for code review and debugging.
Free
Lingvanex delivers on‑premise machine translation and speech‑to‑text for over 100 languages, with APIs, SDKs, desktop and mobile apps, enabling secure, offline multilingual content processing, summarization, and data anonymization for business intelligence and compliance.
Freemium
Language Reactor enhances language learning with dual subtitles, a popup dictionary, and precise video controls on Netflix. Features like Turtle Tube, machine translation, vocabulary suggestions, PhrasePump, and a chatbot support interactive and immersive learning experiences, making it a valuable t
GPT Translator offers real-time translation for text, documents, and websites in 95+ languages. It supports various file formats, preserves formatting, includes automatic language detection, and features batch processing for efficient multilingual content management.
Freemium
Doctranslate.io is an AI-powered tool offering seamless document translation in 29 languages. It features customizable options like domain specialization, bilingual formatting, and secure data management for precise, efficient communication across global audiences.
Freemium
Lufe AI is a fast, free AI translator for webpages, PDFs, and images, leveraging Gemini, OpenAI, and Claude for accurate multilingual support. It offers a browser extension with side-by-side translations, auto-detection, and customizable displays for seamless bilingual learning.
Freemium
SlangThesaurus Translator is an online tool utilizing OpenAI's ChatGPT API to interpret urban slang, colloquial expressions, and informal language. Users can input words or phrases to generate slang translations.
Free
Rask is an AI-powered localization tool that offers video translation, captioning, subtitling, voice over, and dubbing services in multiple languages, with a 14-day free trial for businesses, content creators, and educators.
Free trial
- $60/mo
i18n Web uses AI to translate JSON, Markdown, and plain text files into multiple languages while keeping original structure. Users upload files, pick target languages, review translations in an editor, and download individually or as a bundle.
Free
Lara Translate is a multilingual translation tool supporting languages like English, German, and Chinese, offering precise document and text translation while preserving structure and meaning. It features privacy-focused incognito mode and ensures natural language flow for technical, legal, and crea
Freemium
- $9/mo
Doclingo is an AI document translation platform that preserves original formatting and complex layouts across PDFs, Office files and images using OCR, supports batch translation, glossary management, bilingual export, API access and 90+ languages for integrated workflows.
Free
x-doc is an AI-powered translation tool supporting over 108 languages, designed for large-scale technical documents. It ensures accurate translations, consistent terminology, and enterprise-level security, while automating tasks to boost productivity and streamline project management.
Freemium
Trancy delivers bilingual subtitles for YouTube, Netflix, and educational platforms, featuring a reading mode, AI‑powered word lookup, grammar analysis, and part‑of‑speech tagging. It offers customizable translation engines, TTS voices, adjustable display options, and offline learning decks.
Freemium
Ai Translator compares 22 AI models via its SMART feature to produce the most agreed translations, offering over 100 languages and regional dialects. It auto‑detects source language, accepts text or files, and provides instant quality feedback and real‑time accuracy analytics.
Freemium
- $39/mo
BookTranslator automatically translates entire books into 168+ languages, preserving tables, images, and formatting across EPUB, PDF, DOCX, etc., within minutes. It offers side‑by‑side comparison, supports up to 300 MB files, and delivers instant downloadable copies.
Freemium
DocTranslator delivers instant neural machine translation for over 120 languages, handling PDFs, DOCX, PPTX, XLSX, images and more up to 1 GB or 5,000 pages. It preserves formatting, supports conversion, and ensures secure, automated status tracking.
Freemium
- $14.99/mo
TransMonkey is an AI translation tool that handles documents, images, and videos, preserving original formats while translating in over 130 languages. It supports 30 file formats, integrated with Google Chrome and Workspace for efficient workflow.
Free trial
- $0.06
FreedomGPT unifies access to 400+ AI models, showing side‑by‑side answers for voting and auto‑selection via leaderboard. It keeps privacy safe, runs on Windows/macOS, and is open‑source for community contribution and collaboration.
Free
Vozo AI Video Translator converts video content into 110+ languages with context‑aware translation and automatic transcription. It clones original speaker voices, syncs lip movements, replaces on‑screen text, and offers bilingual subtitles, real‑time editing, and secure enterprise integration.
Subscription
- $25/mo
GPT5 is an AI tool that facilitates smooth foreign language communication in multiple European languages. It provides instant translations, grammar corrections, idiomatic suggestions, and cultural nuance understanding, catering to language learners and travelers for precise and extensive assistance
Freemium
Translate.video automates video localization: it transcribes, generates subtitles, and dubs content in 75+ languages using voice cloning from a 50‑second clip. Users can edit captions, export SRT/VTT/MP4, and integrate plugins for Photoshop, Illustrator, and Figma.
Freemium
- $29/mo
AI Code Converter translates code snippets and natural‑language instructions into 50+ programming languages, offers code generation, debugging, optimization, and detailed explanations, and provides web and CLI interfaces for seamless IDE or pipeline integration.
Freemium
Doubao AI is an all‑in‑one desktop and web assistant for drafting and editing text, translating multilingual content, generating images from prompts, analyzing documents for summaries and key facts, performing AI-powered web search, and providing code assistance.
Freemium
Global SEO is an AI‑driven platform that localizes web content into 94 languages via JavaScript or subdomains. It supports unlimited sites, page views, and CMS integration, offering on‑demand or bulk translations, with managed setup and GPT‑4o support.
Freemium
- $4.99/mo
FreeSubtitles.AI converts MP4, MKV, MOV, MP3, WAV, and FLAC files up to 1 hour and 300 MB into accurate transcripts in over 100 languages, then translates subtitles into 91 languages, supporting educators, podcasters, and researchers.
Free
みらい翻訳 is an AI-driven translation service for businesses, offering secure machine translation for documents, audio, and video in over 20 languages. It includes specialized models for legal and financial documents and features an API for integration.
Freemium
Doc2Lang translates Excel, Word, PDF, PowerPoint, CSV, EPUB, images, video, audio, and subtitles, preserving layout, formatting, formulas, speaker notes, and embedded media across 100+ languages. OCR supports scanned documents; batch ZIP uploads, custom glossaries, and secure file handling are inclu
Freemium
LanguageTool is an AI grammar, spelling, and style checker supporting 30+ languages. It offers real‑time browser extensions, desktop and Word add‑ins, advanced Picky Mode, paraphrasing, and an API for developer integration.
Free
All‑in‑one platform integrating GPT‑4o, Claude, Gemini, and others for unified text, image, video, and document AI. Offers summarizing, translation, prompt templates, workflow tools, quiz creation, SCORM export, web search, subtitles, dubbing. SOC II‑compliant with field‑level encryption and data is
Subscription
- $8/mo
Translingo is a real-time translation platform supporting over 60 languages, enabling seamless multilingual communication for events like conferences and corporate training. It offers live speech translation, multilingual transcriptions, and automated content creation tools, integrating effortlessly
Free trial
- $15
Neurooo is an AI-powered translation companion supporting over 100 languages. It offers context-aware translations, tone adjustments, and effective handling of errors, making it ideal for professionals in multilingual settings seeking accurate and relevant communication.
Freemium
Easily Translate is an AI tool for translating and localizing content in over 95 languages. It supports various file formats, offers customizable tone, real-time translation, and integrates seamlessly for efficient workflows in document and app localization.
Subscription
Ollang is a localization platform that automates dubbing, subtitles, closed captions and metadata in 100+ languages, combining studio-quality voice workflows, agentic AI orchestration, no-code project automation, and an API for scalable video, audio, and text localization.
Freemium
Maestra transcribes and translates audio/video into searchable text, subtitles, and dubbed audio across 125+ languages, offering live transcription, subtitle editing, voice cloning/TTS, collaboration tools, content workflows, and APIs for integrations and automated publishing.
Freemium
GPTGO blends Google search with ChatGPT, presenting results and AI‑generated summaries in 100+ languages. Users get concise answers beside each result, can copy or download, and access the tool on desktop, mobile, or tablet without registering.
Free
SubEasy AI delivers near‑perfect transcription and multilingual subtitles for video and audio, supporting 100 languages with 99 % accuracy. It offers dubbing, animated captions, speaker ID, OCR extraction, audio splitting, and export to VTT/SRT for social media publishing.
Freemium
- $9.9/mo
BabelShark delivers instant AI translations for websites and mobile apps in 200+ languages, with a glossary editor for controlled terminology. It integrates via simple HTML hooks, supports selective content translation, and offers an online review editor and visitor language analytics.
Freemium
EasySub AI automatically transcribes and translates videos into over 150 languages. It supports MP4, MOV, AVI, MKV, MP3, WAV, and YouTube uploads, offers downloadable SRT/TXT/ASS files, an editor for fine‑tuning, and export presets for major social media platforms.
Freemium
Uncensored AI delivers a chat platform featuring Claude Opus, Gemini, Grok, and MiniMax M2‑Her. It supports text, audio, image, and code interactions, including image‑to‑video via Image Studio. API beta and usage stats benefit developers, writers, educators, and researchers.
Freemium
Localazy is a localization tool that streamlines translation management for various formats and frameworks, offering automated workflows, translation memory, quality control, and collaborative features, enhancing efficiency in creating and releasing localized content.
Free trial
Online TTS platform converts text into audio in 100+ languages with 148+ AI voices. Users can tweak speed, pitch, pause, add background music, and download MP3, OGG, AAC, OPUS, or WAV for dubbing, audiobooks, and language learning.
Free
TextPixie offers AI translation of text, images, audio, documents, and web articles into over 100 languages, automatically detecting source language and supporting variants like British English. It works on desktop and mobile, delivering meaning‑preserving outputs as plain text, Word, or PDF.
Freemium