Skip to content
Sign in

Checklist · Localization

Localization launch checklist — Step by Step 2026

Launching a Localization solution requires careful planning to address challenges like integration, scalability, and user adoption. This checklist provides a structured approach to ensure a successful launch.

50 checklist items 7 min read
Reviewed by Roman Trotsko & Denis TrotskoLast reviewed March 2026

Phase 01

Market Research & Validation

10 tasks
  • 1.1
    critical1 day

    Identify target languages and regions.

    Analyze market demand and potential ROI for different languages and regions. Tools like Google Trends can help.

  • 1.2
    high2 days

    Analyze competitor localization strategies.

    Research how leading players, and other competitors approach localization in your target markets.

  • 1.3
    critical3 days

    Validate localization needs with potential users.

    Conduct user interviews or surveys to understand specific localization requirements and preferences.

  • 1.4
    high2 days

    Assess the compliance requirements for each target region.

    Investigate legal and regulatory requirements related to data privacy and content localization.

  • 1.5
    medium1 day

    Determine the scope of your localization efforts.

    Decide which aspects of your product or service will be localized (e.g., UI, documentation, marketing materials).

  • 1.6
    medium1 day

    Evaluate machine translation vs. human translation needs.

    Assess the quality requirements for different types of content and determine the appropriate translation approach.

  • 1.7
    medium2 days

    Research the availability of localization resources.

    Identify potential translators, reviewers, and localization engineers in your target regions.

  • 1.8
    high1 day

    Analyze the cost of localization for each target region.

    Estimate the costs associated with translation, review, testing, and project management.

  • 1.9
    medium1 day

    Identify key localization KPIs.

    Define metrics to measure the success of your localization efforts, such as user engagement, conversion rates, and customer satisfaction.

  • 1.10
    medium1 day

    Define your target audience segments within each region.

    Understand the specific needs and preferences of different user groups in each target region.

Phase 02

Platform & Tool Selection

10 tasks
  • 2.1
    critical2 days

    Choose a Translation Management System (TMS).

    Select a TMS like Lokalise or Phrase to manage the localization workflow and translation assets.

  • 2.2
    high1 day

    Select CAT tools for translators.

    Identify Computer-Assisted Translation (CAT) tools like SDL Trados Studio or memoQ to improve translation efficiency.

  • 2.3
    critical3 days

    Set up integrations with your development environment.

    Integrate your TMS with your codebase to automate the extraction and delivery of translatable content.

  • 2.4
    medium1 day

    Choose a localization testing platform.

    Select a platform for testing localization quality, such as Applanga or Smartling.

  • 2.5
    high2 days

    Configure your TMS workflow.

    Define the steps in your localization workflow, including translation, review, and testing.

  • 2.6
    medium1 day

    Set up access control and permissions.

    Grant appropriate access to translators, reviewers, and project managers.

  • 2.7
    high2 days

    Establish a glossary and style guide.

    Create a glossary of key terms and a style guide to ensure consistent translation quality.

  • 2.8
    medium1 day

    Set up QA checks and validation rules.

    Implement automated QA checks to identify potential translation errors.

  • 2.9
    medium1 day

    Configure API access for automation.

    Set up API access to automate tasks like translation ordering and status updates.

  • 2.10
    medium1 day

    Train your team on the chosen tools.

    Provide training to translators, reviewers, and project managers on how to use the chosen tools effectively.

Phase 03

Content Localization & Translation

10 tasks
  • 3.1
    critical2 days

    Extract translatable content.

    Extract all translatable text from your product, website, and marketing materials.

  • 3.2
    critical1 day

    Send content for translation.

    Submit the extracted content to your chosen translation provider or TMS.

  • 3.3
    high2 days

    Review translated content.

    Review the translated content for accuracy, fluency, and consistency.

  • 3.4
    high2 days

    Implement linguistic quality assurance (LQA).

    Conduct LQA to identify and fix any linguistic errors in the translated content.

  • 3.5
    medium1 day

    Incorporate user feedback on translations.

    Gather feedback from users on the quality of the translations and make necessary adjustments.

  • 3.6
    medium1 day

    Handle terminology management.

    Maintain a consistent terminology database to ensure accurate and consistent translations.

  • 3.7
    medium2 days

    Localize images and multimedia.

    Adapt images, videos, and other multimedia content for each target region.

  • 3.8
    high1 day

    Adapt date, time, and currency formats.

    Adjust date, time, and currency formats to match the conventions of each target region.

  • 3.9
    high1 day

    Ensure cultural appropriateness.

    Ensure that the translated content is culturally appropriate for each target region.

  • 3.10
    medium1 day

    Run pseudo-localization tests.

    Test the application with pseudo-localized text to identify potential localization issues.

Phase 04

Testing & Quality Assurance

10 tasks
  • 4.1
    critical2 days

    Conduct functional testing of localized builds.

    Test the localized builds to ensure that all features are working correctly.

  • 4.2
    high2 days

    Perform linguistic testing.

    Conduct linguistic testing to identify any remaining translation errors.

  • 4.3
    medium2 days

    Test localization in different environments.

    Test the localization on different devices, operating systems, and browsers.

  • 4.4
    high1 day

    Verify proper display of localized text.

    Ensure that the localized text is displayed correctly in all parts of the application.

  • 4.5
    medium1 day

    Test for truncation and text expansion issues.

    Check for text truncation or expansion issues that may occur due to different language lengths.

  • 4.6
    high1 day

    Validate date, time, and currency formats.

    Verify that date, time, and currency formats are displayed correctly in each target region.

  • 4.7
    medium1 day

    Test for bidirectional text support.

    Test for proper support of bidirectional text in languages like Arabic and Hebrew.

  • 4.8
    medium1 day

    Run accessibility testing.

    Conduct accessibility testing to ensure that the localized content is accessible to users with disabilities.

  • 4.9
    medium1 day

    Gather user feedback on localized versions.

    Collect feedback from users on the quality and usability of the localized versions.

  • 4.10
    high2 days

    Fix any identified localization bugs.

    Address and fix any localization bugs identified during testing.

Phase 05

Launch & Post-Launch Optimization

10 tasks
  • 5.1
    critical3 days

    Prepare localized marketing materials.

    Adapt your marketing materials for each target region, including website content, ads, and social media posts.

  • 5.2
    critical1 day

    Launch localized versions on appropriate channels.

    Launch the localized versions of your product or service on relevant platforms, such as Product Hunt, G2, LinkedIn, and Twitter.

  • 5.3
    high1 day

    Monitor user feedback and reviews.

    Track user feedback and reviews in each target region to identify areas for improvement.

  • 5.4
    high1 day

    Track key localization KPIs.

    Monitor key localization KPIs, such as user engagement, conversion rates, and customer satisfaction.

  • 5.5
    medium2 days

    Optimize localization based on performance data.

    Adjust your localization strategy based on performance data and user feedback.

  • 5.6
    medium1 day

    Provide ongoing localization support.

    Offer ongoing support for localized versions of your product or service.

  • 5.7
    medium1 day

    Continuously update your glossary and style guide.

    Regularly update your glossary and style guide to reflect changes in terminology and style.

  • 5.8
    medium1 day

    Stay up-to-date with localization best practices.

    Keep abreast of the latest trends and best practices in localization.

  • 5.9
    low1 day

    Engage with the localization community.

    Participate in industry events and online forums to connect with other localization professionals.

  • 5.10
    medium1 day

    Plan for future localization efforts.

    Anticipate future localization needs and plan accordingly.

Pro tips

  • Prioritize integrations with popular content management systems (CMS) and e-commerce platforms to streamline the localization workflow.
  • Implement a robust QA process that includes both automated checks and human review to ensure high-quality translations.
  • Leverage machine translation (MT) for high-volume, low-priority content to reduce costs and turnaround time.
  • Invest in a translation memory (TM) system to reuse previously translated content and improve translation consistency.
  • Consider offering a freemium or trial version of your localization solution to encourage adoption and generate leads.

Frequently asked questions

Keep building

More for Localization

Other Launch checklists