Best Free AI Tools to Localize Apps

Rask AI (rask.ai) is an AI-powered platform for video and audio localization, specializing in automated translation, dubbing, subtitling, and voice cloning. It enables users to adapt content into over 130 languages quickly and cost-effectively, handling transcription, translation, natural-sounding voiceovers, lip-sync, ...

Articula is an iOS app that provides real-time AI-powered translation for voice and video calls across 24 languages, aiming to deliver accuracy comparable to professional human interpreters. It enables seamless cross-language communication during phone or video conversations without needing to ...

Auri.AI is an AI-powered writing assistant and productivity tool primarily designed as a custom keyboard and all-in-one assistant app for Apple devices (iPhone, iPad, Mac, and Apple Watch). It enables users to write faster and smarter by providing on-the-fly assistance ...

HeyGen Video Translator is an AI-powered tool that allows users to upload existing videos or provide YouTube/Google Drive links and automatically translate the spoken content into over 175 languages and dialects. It preserves the original speaker's voice through advanced cloning ...

AutoLocalise is a realtime, AI-powered localization platform that lets developers add full internationalization support to web and mobile apps with just a few lines of code—no translation files, no complex i18n setups, and no redeploys required. It automatically extracts text ...

DeepL Translate is an AI-powered neural machine translation service that provides highly accurate, context-aware translations using advanced deep learning models. It handles text, documents (preserving original formatting), images, PDFs, and speech input/output, making it suitable for a wide range of ...

Lovalingo is an AI-powered translation plugin designed specifically for React and Next.js applications. It automatically detects app content—including dynamic elements from AI-generated projects built with tools like Lovable, v0, Bolt, and other vibe-coding platforms—and translates it in real time. The ...

AudioBot is an AI-powered text-to-speech (TTS) service that instantly converts typed or pasted text into natural-sounding, professional audio files, downloadable in MP3 format. It leverages deep learning for human-like vocal patterns and intonation, supporting over 500 voices across more than ...

OneSky is an AI-powered localization platform, officially described as an "AI Translation & QA Hub" and "Multi-Agent Localization" system (branded as OneSky Localization Agent or OLA). It automates the end-to-end translation and quality assurance process for digital content, including websites, ...

Sonix is an AI-powered automated transcription, translation, and subtitling platform designed to convert audio and video files into accurate, searchable text quickly and securely. It transforms spoken content from meetings, interviews, depositions, clinical notes, lectures, and media files into structured ...

VideoTranslator.io is an all-in-one AI-powered platform that translates videos, documents, images, and audio files into over 130 languages while preserving original formatting, visual quality, and speaker characteristics. It automatically transcribes, translates, dubs videos with natural-sounding voice cloning and perfect lip-sync, ...

CloneDub is a next-generation AI dubbing platform that translates video and audio content into more than 27 languages while cloning the original speaker’s voice and preserving background music, sounds, and lip-sync. Users upload video or audio files (in formats such ...

EasySub (easyssub.com) is an AI-powered online auto subtitle generator that transcribes video and audio files into accurate subtitles, supports free translation across 150+ languages, and enables easy export of subtitled videos or subtitle files. Users can upload local files (MP4, ...

GetGloby is an AI-powered translation and transcreation platform designed to help brands adapt their advertising campaigns, content, and communications for global audiences across more than 100 languages. Its primary purpose is to enable rapid market expansion by connecting directly to ...

Aview is an all-in-one AI-powered multimedia localization and distribution platform designed to help creators and brands expand their content globally without language or cultural barriers. Users upload videos, online courses, livestreams, podcasts, or short-form clips (such as YouTube Shorts, TikToks, ...

Bridgecall is a browser-based platform for real-time voice and video call translation that lets users create a shareable link for instant meetings. Participants speak in their native language while hearing everyone else translated live into their chosen language, removing barriers ...

Cavya.ai is an AI-powered localization preparation platform that automates the creation of glossaries, style guides, and document analyses to streamline translation project setup. By uploading documents, users can generate context-rich term bases, brand-consistent style rules, and insightful project reports in ...

Cavya.ai is an AI-powered localization preparation platform that automates the creation of glossaries, style guides, and structured document analyses. Users upload source files, and the tool instantly extracts context-rich terminology, generates tailored style guidelines, and delivers insights into language complexity, ...