Best Localization Software for JavaScript

Compare the Top Localization Software that integrates with JavaScript as of July 2025

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This a list of Localization software that integrates with JavaScript. Use the filters on the left to add additional filters for products that have integrations with JavaScript. View the products that work with JavaScript in the table below.

What is Localization Software for JavaScript?

Localization software is a tool designed to help businesses adapt their digital products, such as websites, mobile apps, and software, for different languages and regions. It enables the translation of content, ensuring that it is culturally relevant and suitable for diverse audiences. The software often includes features for managing translations, automating workflows, and maintaining consistency across multiple languages. By streamlining the localization process, businesses can expand their reach to global markets more efficiently. This type of software plays a critical role in enhancing user experience and ensuring that products resonate with users in various regions. Compare and read user reviews of the best Localization software for JavaScript currently available using the table below. This list is updated regularly.

1

Phrase Localization Platform

Phrase Localization Platform

The Phrase Localization Platform is a unique, AI-powered language platform that integrates translation, scoring, and automation tools in one place for businesses and language service providers. It offers scalability, a vendor-neutral approach, and advanced analytics for performance optimization. Ready-to-use with access to all of its key products, it facilitates easy start-up and rapid scaling. With single sign-on (SSO) and an intuitive interface, Phrase provides a user-friendly, centralized ecosystem. The Phrase Localization Platform includes: Phrase Translation Management System (Phrase TMS) Translation project management with industry-grade CAT tools Phrase Strings Developer-friendly tool for software, games, and website copy localization Phrase Orchestrator No-code, customizable workflows that automate your manual processes Phrase Language AI, Phrase Custom AI, Phrase Portal, Phrase Quality Technologies, as well as over 50 integrations.

1 Rating

Starting Price: $27 per month

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2

SEATEXT AI

SEATEXT AI

SEATEXT AI is a tool to optimize website content for user engagement and conversion rates. Features: -SEATEXT AI provides autonomous content optimization through advanced AI models and A/B testing to increase sales of your website. -Optimize product descriptions for online stores, resulting in a significant sales increase of up to 40%. - Grow your sales with automatic 107 languages website translation, effortlessly localize your website into 107 languages, using AI to identify the most effective, error-free translations. With just a quick 1-minute setup, enjoy compelling, A/B tested translations designed to maximize sales. - Optimize content specifically for mobile users, ensuring concise and impactful text variations tailored to their unique browsing behavior to increase reach and engagement leading to higher conversion rates and improved sales. - Translate and rewrite your media content up to 100 times to optimize articles through automatic A/B testing to increase conversions

Starting Price: $25 per month

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3

Prismy

Prismy

Meet the most time-saving localization solution and ship your product in many languages faster. Make sure your key terms that are crucial to your business remain consistent across all translations. Tailor the AI’s writing style and tone of voice to fit your unique brand requirements. Prismy intelligently considers all your existing content to ensure consistency and suggests the best translations. Prismy’s GitHub integration finds missing translations on feature branches and lets you apply them in a commit. No more blocked releases. Prismy lets business teams and product managers make copy changes directly in production. It automatically creates a branch and a conflict-free pull request to the main. Prismy is connected to your codebase (Github) and customer-facing tools (Intercom) and identifies automatically what needs to be translated. Prismy provides contextual information during translation, including PR descriptions and linear issue details with attachments.

Starting Price: €149 per month

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4

AutoLocalise

AutoLocalise

AutoLocalise makes localization effortless for JavaScript applications by eliminating translation files and manual locale management: with a lightweight SDK for React, React Native (Expo), and Next.js, you install and initialize a TranslationProvider, wrap your app, and mark text directly in components, then AutoLocalise’s AI-powered engine delivers instant translations in over 100 languages without JSON or YAML files. Translations are served dynamically from a global edge network, so you can update content in real time through the dashboard, invite team members, edit translations on the fly, and see changes live in your app without redeploying. Automatic detection of content changes ensures new or modified strings are picked up immediately, while centralized API-key management and project controls let you manage multiple apps and environments with ease. Scaling from one language to hundreds requires zero extra effort.

Starting Price: $9 per month

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