Find Untranslated
Strings Instantly
The perfect tool for indie developers and translators. Compare translation files to spot new updates, find missing keys, and ensure your game is ready for every language.
Everything you need
Designed to streamline the most complex localization workflows.
AI Translation
Generate translations and suggestions instantly using Gemini, OpenAI, or DeepL directly within the editor.
Smart Diff
Intelligently identify added, removed, and modified strings across different versions of your files.
Multi-Format
Support for JSON, XML, XLIFF, ARB, CSV, and more. One tool for all your project needs.
In-Depth Look
Explore the powerful tools that make Localizer the best choice for your workflow.
Deep Dive Editing
Need to fix a typo or update a variable? The Advanced View is built for precision work. Easily perform small to medium edits, update keys, and fill in missing translations without leaving the app.
- Character-level diff highlighting
- Side-by-side editing
Advanced Quality Analytics
Get a bird's-eye view of your project's health. The Quality Dashboard analyzes translation coverage, identifies missing keys, and provides actionable insights to ensure your app is 100% ready for global launch.
- Real-time coverage metrics
- Duplicate key detection
Batch & Comparison
Need to update 50 language files at once? The Batch Processor handles entire directories. Click the image to see the file explorer view.
Comparison History
Never lose track of your work. Localizer automatically saves your session history, allowing you to instantly reload previous comparisons or audit past changes without restarting from scratch.
Total Customization
Make the tool your own. Configure AI providers, set custom ignore patterns, tweak UI themes, and adjust comparison sensitivity to match your specific project requirements.
