Blog

June 11, 2026 · 4 min read

Custom locales: shipping やさしい日本語 (Easy Japanese) alongside your standard languages

Some products need a language version that isn't on the ISO list. Here's how Localhero supports custom locales like ja_easy, Easy Japanese for learners, with AI translation that follows the Easy Japanese guidelines.

i18n Localization Custom locales

June 07, 2026 · 6 min read

How Kundo automated its localization workflow

Kundo, a Swedish customer service platform used by 500+ organizations, moved its nine-language localization off Transifex and a translation agency to automated AI translations on every pull request. Here's the migration.

Case Study Localization i18n

May 28, 2026 · 6 min read

Localhero.ai is now on the GitHub Marketplace

We listed the Localhero.ai GitHub App on the Marketplace. Install, point it at a repo, open a PR, get translations. Here is what it does and what it does not.

GitHub Marketplace GitHub App i18n

May 25, 2026 · 12 min read

How to Pick a Translation Setup for Your Stack (and When Each Option Actually Fits)

A decision aid for product teams: choose between DIY, code-native, and full TMS platforms based on your stack, team shape, and what's slowing you down.

SaaS Localization Product Team

May 24, 2026 · 9 min read

A localization workflow for small marketing teams: what we learned from one customer test

A few people asked us about localizing marketing copy, not just product strings. We ran a test on a small Next.js marketing site. Here is what the workflow looked like and what surprised us.

Marketing Localization Transcreation Next.js

May 22, 2026 · 12 min read

Auto-Translate JSON & YAML i18n Files on Every Commit (GitHub Actions)

A working pattern for keeping JSON and YAML locale files synced across languages via CI: key diffing, placeholder protection, and what tends to break.

CI/CD GitHub Actions i18n

May 18, 2026 · 12 min read

How to Make Your AI Coding Agent Translation-Aware (Claude Code, Cursor, Codex)

Agents write code fast, then the PR waits on translations. Here's how to give Claude Code, Cursor, or Codex your glossary, tone, and CI setup so features ship translated, using the SKILL.md standard that works across all of them.

AI Agents Claude Code Cursor

April 16, 2026 · 11 min read

Automate SaaS Localization in Your CI Pipeline

Continuous localization for developer-driven teams. Translations on every PR, deployed with code. The setup, the operational gotchas, and how to keep it boring.

CI/CD Continuous Localization Automation

April 13, 2026 · 6 min read

How to Evaluate AI Translation Quality: A Practical Guide for Dev Teams

BLEU correlates poorly with LLM translation quality. Here's a practical framework for MT evaluation: what metrics actually work, how to set up LLM-as-Judge checks, and what accuracy percentages really mean.

Translation Quality AI Translation Evaluation

April 12, 2026 · 13 min read

How to Localize a React App With Lingui: A Practical Guide

Step-by-step guide to localizing React apps with Lingui. Covers Vite setup, .po file extraction, macros, plurals, context, and CI/CD automation with examples.

React Lingui i18n

April 09, 2026 · 7 min read

What SaaS Localization Actually Costs in 2026

A breakdown of what SaaS localization actually costs: translation, tooling, developer time, coordination, and the hidden expenses nobody quotes.

SaaS Localization Cost

April 02, 2026 · 12 min read

How to Localize Your Rails or React SaaS End-to-End

The full Rails or React localization workflow: locale routing, UGC, emails, multi-tenant preferences, SEO, and deploy. Beyond what the i18n docs cover.

SaaS Ruby on Rails React

March 25, 2026 · 9 min read

SaaS Localization Without a TMS

Not every SaaS team needs a TMS. How to think through what one offers, and what a lighter, code-native setup looks like when that fits better.

SaaS Localization TMS

March 25, 2026 · 11 min read

Your Coding Agent Should Handle Translations Too

A practical guide to making AI coding agents translation-aware. Set up a glossary-driven agent skill and CI automation so features ship translated from day one.

AI Agents Automation i18n

March 16, 2026 · 8 min read

How to Localize Your SaaS With a Small Team

You don't need a dedicated localization team or an enterprise TMS to ship your product in multiple languages. Here's what actually works for small dev teams.

SaaS Localization Small Teams

March 04, 2026 · 7 min read

How to Localize a React App (and Next.js): A Practical Guide

Step-by-step guide to localizing React apps with react-i18next. Covers setup, JSON message files, interpolation, plurals, lazy loading, and when to use next-intl for Next.js App Router.

React Next.js i18n

February 26, 2026 · 12 min read

How to Localize a Django App: A Practical Guide

Step-by-step guide to localizing your Django app with gettext. Covers settings, .po files, template tags, URL i18n, pluralization, and common gotchas for Django 5.x.

Django Python i18n

February 19, 2026 · 12 min read

How to Localize a Ruby on Rails App: A Practical Guide

Step-by-step guide to localizing your Rails app with I18n. Covers setup, YAML locale files, pluralization, date formatting, lazy lookups, and common gotchas for Rails 8.

Ruby on Rails i18n YAML

February 18, 2026 · 9 min read

Using the OpenAI API for App Translation: What Works and What Breaks

Yes, the OpenAI API can translate your JSON and YAML files in minutes. But glossary consistency, plural forms, and CI integration are where it gets hard. Here's what to expect and when to reach for a dedicated tool.

OpenAI AI Translation API

February 08, 2026 · 13 min read

How to Automate i18n Translations with GitHub Actions: 3 Approaches

Automate your translation workflow with GitHub Actions. Three approaches (DIY with OpenAI, dedicated translation tools, and self-hosted) with working config examples for React, Rails, Next.js, and Django projects.

GitHub Actions CI/CD i18n

September 16, 2025 · 6 min read

How Do You Check Translation Quality at Scale?

When you have 2,000+ translations across 8 languages, manual review isn't realistic. Learn how to check translation quality at scale with AI-powered analysis that catches critical errors before they reach production.

Translation Quality Quality Assurance AI Translation

June 05, 2025 · 8 min read

Setting Up Style Guides & Glossaries for Automatic AI Translations

Learn about style guides and glossaries for consistent, brand-aware AI translations.

May 20, 2025 · 14 min read

Translation Workflow for Product Teams: In-House vs Agency vs AI Automation

Your translations are blocking releases. Compare three approaches: in-house, agency, and AI automation. Includes a decision framework and implementation checklist for product teams shipping in multiple languages.

Translation Workflow Product Teams AI Translation