Overview

Crowdin is a localization platform for teams translating software, apps, websites, games, marketing content, and documentation. It is best suited to product teams that want translation work connected to development and release workflows, rather than users who only need a text-translation tool. Its broad workflow coverage is compelling, but hosted-word limits and plan terms deserve close review before a project scales.

Key features

The online editor, Translation Memory, glossaries, collaborative editing, and context-aware translation features give teams a shared place to manage recurring work. Reusing translations and terminology can support consistency; built-in QA checks, string-level QA, progress dashboards, cost tracking, productivity metrics, and customizable reports help coordinators monitor quality and throughput.

Developer teams get Git integrations, branch-based translation management, in-context UI previews, an API, and support for more than 100 file formats. Crowdin says it offers more than 700 integrations, including GitHub, Figma, WordPress, and Notion. Its API, CDN, SDKs, and webhooks support automation and content synchronization. Android and iOS SDKs add over-the-air content delivery, real-time translation previews, and screenshot upload and tagging, which is useful for mobile teams updating localized content between releases.

Translation drafts can draw on Translation Memory, machine translation engines such as DeepL and Google Translate, and AI providers including OpenAI, Anthropic, and Azure AI. That range gives teams options within the localization workflow, though it does not remove the need for review. Crowdin also states that it is GDPR compliant and ISO/IEC 27001 certified. Security controls include two-factor authentication, SAML 2.0 single sign-on, role-based permissions, granular API tokens, backups and versioning, password complexity enforcement, and device verification. Customers handling PHI must sign a Business Associate Agreement.

Pricing

Crowdin uses a freemium model. The Crowdin Free Plan costs 0.00 USD per free; it is an entry point, but the included limits are not detailed in the plan terms. The Crowdin for Open Source option is also 0.00 USD per free, available by request for non-profit open-source projects. Granted academic licenses include unlimited projects, strings, and members, making that route notably different from a general free subscription.

Starting a first localization project begins a 14-day Team plan trial, listed as 0.00 USD per free for the trial period. Crowdin Enterprise has a 30-day trial with Business plan features, also 0.00 USD per free. These trials let teams assess higher-tier capabilities, but the trial price does not establish the ongoing subscription price.

Crowdin Enterprise uses annual billing only and has custom pricing. It includes unlimited content, customizable workflows, and enterprise controls for organizations coordinating localization across multiple products. Paid subscriptions allow unlimited translators and proofreaders, but hosted-word limits apply across all projects in an account or organization, with the allowance depending on the plan. Teams should size that shared quota against the full portfolio, not just one project.

Platforms

Crowdin supports Android, iOS, Linux, macOS, web, and Windows, alongside API access. Its mobile SDKs support over-the-air content delivery, previews, and screenshot workflows; the API and related automation interfaces suit teams integrating localization with their own systems.

Who it's for

The standard product is aimed at individuals and small in-house teams. Crowdin Enterprise is the stronger fit for private organizations coordinating localization across multiple products, particularly where custom workflows, granular access control, and organization-wide user and group management matter. Teams needing only occasional document or text translation may find this broader workflow platform more than they need.

Pros and cons

Pros: Git, branch-based management, in-context previews, and broad file-format support connect translation work to software development.
Pros: Translation Memory, glossaries, QA, and reporting cover both language consistency and project oversight.
Pros: API, CDN, SDKs, webhooks, and mobile over-the-air delivery provide several paths for automation and content updates.
Cons: Hosted-word limits are shared across projects at the account or organization level, which can constrain larger portfolios even when translator seats are unlimited.
Cons: Enterprise pricing is custom and annual-only, so organizations need to assess terms directly before budgeting.

Alternatives

Choose Google Cloud Translation if a freemium API service and a stated 500,000-character monthly free allowance for neural machine translation better match a translation-engine use case. Lara Translate is another freemium option with Android, iOS, web, and API platforms; its free plan includes 60,000 characters per month for one user.

PROMT offers freemium access, a free trial, and plans including a 39.00 USD per month Lite One Language Pair option and a 59.00 USD per month Lite Multilingual option. Consider ConveyThis when its website-oriented free plan—one language, 5,000 words, one domain, and 2,500 monthly translation requests—or its 12.00 USD per month Starter plan fits better.

DeepL Translator has a free version with 50,000 characters per user per month, one file translation per month, and one glossary, making it an option for more bounded translation needs. LingoHub offers a Starter plan at 45.00 EUR per month with 100,000 linguistic credits (about 15,000 words) per month and unlimited seats. Localizely may suit teams whose projects fit its free allowance of 250 hosted string keys and one project, with unlimited users and languages. locize is another freemium option, with a free plan capped at 100,000 standard CDN downloads per month, 2,000 words, two languages, five namespaces, and one user.

Browse Translation Software, Translation Management Software, Game Localization Software, and Website Translation Software for category alternatives.

Verdict

Crowdin is a strong choice for software and content teams that need translation management to live alongside development, quality tracking, and delivery workflows. Its combination of collaboration, automation interfaces, and mobile localization tools is the central reason to choose it. Look elsewhere if the project needs only a standalone translator, or if shared hosted-word quotas and custom annual Enterprise terms do not fit the organization's scale or budget.

	Crowdin	NiuTrans
Free plan	Yes	No
Free trial	Yes	No
Paid from	Free	—
Open source	No	No
Platforms	Android, api, iOS, Linux, macOS, Web, Windows	api
Free plan	Yes	Yes
Document translation	Yes	Yes
Website translation	Yes	Yes
Translation memory	Yes	Yes
Glossary tools	Yes	Yes
API access	Yes	Yes
Supported languages	—	454

Crowdin vs NiuTrans

Crowdin

NiuTrans