Multilingual App Strings
The best 50 Multilingual App Strings AI tools - Free & Paid
Explore 50 AI for Multilingual App Strings
Translation Strings is an AI-powered tool for app developers, simplifying translation management. It offers auto-translation and context customization, enabling seamless export of translated strings in JSON format or via API integration.
Freemium
Globify harnesses GPT‑4 to automate iOS app localization within a single project, allowing multiple languages, custom tones, glossary consistency, and direct string‑catalog sync. Its “Localize all” button enables bulk translation, speeding releases.
Freemium
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
An AI‑powered browser tool that translates app content into over 200 languages while keeping data local. It supports JSON, YAML, JavaScript, and TypeScript files, letting developers import, edit, and bulk‑export translations without sending data to external servers.
Paid
String Catalog connects GitHub/GitLab/Bitbucket repos to manage iOS/Android strings, release notes, and store metadata. It imports native files, applies automated translations, and produces reviewable diffs with glossary and tone rules for brand consistency.
Free trial
- $15
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
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
I18n Studio uses GPT‑4 to deliver context‑aware translations for common localization formats. It supports comment-based context, skip markers, and capitalization rules, and integrates with Xcode, VSCode, Android Studio, enabling batch translation of individual values, keys, or whole languages.
Freemium
TacoTranslate automates React and Next.js i18n by extracting UI strings from code and providing AI‑driven translations in 70+ languages. It updates text live, lets teams toggle languages, and offers a translator interface for refinement and incremental rollout.
Paid
- $99/mo
Translate Menu is a smartphone app that captures printed menus and instantly translates them into 50+ languages. It provides personalized dish suggestions, accounting for preferences and dietary restrictions, using OCR and NLP for real‑time, accurate translations at restaurants worldwide.
Freemium
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
Xpolyglot is an AI‑driven localization utility for Xcode projects that integrates into the development workflow. It imports projects with a single click, centralizes all localization tasks, and keeps translation files synchronized using delta updates to avoid re‑translation of unchanged strings.
Paid
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
AI Phone delivers real‑time bilingual subtitles and voice translation for phone, video, and messaging calls in 150+ languages, with instant camera‑text support for signs and menus. Invite contacts via a link—no extra download needed for seamless communication.
Free trial
AI Localizer auto‑detects localizable strings in Xcode projects, translating them into 35+ languages via AI, Azure, Google, or manual input. Integrated in Xcode, it saves translations with one click, preserves structure, and allows CSV export for review.
Freemium
LingoExpress is a multilingual learning tool covering 65+ languages. It provides books, audio content, daily words, AI tutoring, and caters to various learning styles on Kindle and smartphones, making language learning effective and enjoyable for all ages.
Free
Locales.ai offers AI‑powered localization, translating documents into 30+ languages. The platform supports a 3‑step workflow—import, AI‑translate with smart memory, download—while integrating diverse file formats and frameworks for real‑time, culturally accurate updates across websites and apps.
Freemium
- $1
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
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
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
Multilipi is an AI-driven multilingual SEO and translation platform that offers quick translations in over 22 languages. It features translation memory, glossary management, and document translation, ensuring optimized and accessible global content.
Free trial
Linguana automatically translates web content into over 100 languages, creating SEO‑friendly URLs and localizing meta titles, alt tags, and on‑page text. It supports Webflow, Framer, Carrd, Wix, WordPress, and Kajabi, offering platform‑specific integrations, manual editing, and CDN‑based delivery.
Freemium
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
i18nowAI automatically translates i18next JSON files into over 80 languages via DeepL, delivering fast, accurate JSON outputs for React, Vue, and Next.js projects. Users upload source files, select target languages, and re‑translate only changed lines.
Freemium
- $9/mo
Web‑based grammar checker supporting 27 languages—including Tagalog and English variants—highlights spelling, grammar, punctuation errors and offers corrections. It accepts rich text up to 15,000 characters, detects GPT‑style typos, and includes an AI content detector, usable from any browser.
Free
Captions App is an AI tool that simplifies adding subtitles and captions to videos with auto-generation, translation, and customization options. It also offers AI dubbing in over 100 languages, enabling creators to enhance accessibility and engage a broader audience effortlessly.
Freemium
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
Borderless WhatsApp is a web‑based solution that enables instant cross‑lingual messaging in 17 languages via WhatsApp Web. It auto‑translates outgoing and incoming messages, offers GPT‑4 powered chatbot help, and shares a unique link to start translation‑enabled chats.
Free
Cloud-based translator that handles PDFs, scanned PDFs, Word, Excel, PowerPoint, and images in 136 languages while preserving layout. Offers direct PDF editing, scanning, splitting, and share‑extension for seamless collaboration for teams, educators, and business professionals.
Freemium
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
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
I18nMaster utilizes GPT technology to simplify internationalization processes by supporting various file formats and integrating with OpenAI for enhanced functionality, ensuring efficient and seamless multilingual content management.
Freemium
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
Quetzal is an internationalization platform that facilitates the translation of digital products into over 20 languages. It integrates with development environments, supports frameworks like Next.js and React, and offers a centralized dashboard for efficient project management.
Freemium
LingoSync automatically translates and voices over videos in 40+ languages with 220 voices. Upload a video, choose a target language, and download a synced video—no manual translation or voice actor needed, saving time and cost.
Freemium
- $4/mo
Lingo Champion personalizes language lessons by simplifying real‑world articles, offering instant word explanations and context translations, auto‑logging vocabulary, generating spaced‑repetition flashcards, and tracking progress across reading, listening, and speaking in over 20 languages.
Freemium
- $5.99/mo
Menuguide is an AI-powered app that translates restaurant menus in real-time. Users can take photos to receive accurate translations, access detailed dish information, and communicate their orders in the local language, enhancing dining experiences globally.
Freemium
GoSpeech is an app that uses AI-generated faces for multilingual conversations, enabling users to create personalized videos and foster global communication via avatars while supporting charitable causes.
Freemium
AI Image Translator extracts text from JPG, PNG, GIF images with ~99% accuracy, translates it into over 130 languages, then removes the original text and inpaints the background while preserving font, size, color, and layout for high‑quality localised images.
Freemium
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
Telelingo is a mobile app that delivers real‑time voice translation for phone calls in 80+ languages. It converts spoken speech to text, outputs instant translated audio, and integrates with PBX, mobile phones, and landlines for business and travel use.
Freemium
- $0.22
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
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
Polyglot Media offers AI language learning tools including a free Vocabulary Lesson Generator and additional tools for members. These tools should be used with a qualified teacher.
Freemium
Transgull is an AI translation tool that offers real-time voice, text, image, and video translations. Its context-aware capabilities facilitate natural communication, making it ideal for personal use, travel, and professional settings like meetings and events.
Freemium
PolyPal provides millisecond‑latency AI live translation and real‑time subtitles across 43 languages and 95 accents for meetings, events, and streams, with accent recognition, live transcription, searchable/exportable transcripts, mobile/desktop apps, and privacy‑first controls.
Free trial
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