Free localization tools for SaaS developers

Small utilities that run in your browser. No sign-up, and your input is never uploaded. Some links on these pages are affiliate links, disclosed where they appear.

• Translation JSON Checker

  Compare a source and a translated JSON file: missing and extra keys, placeholder and tag mismatches, syntax errors. Runs in your browser.

• Translation Cost Comparison

  Enter your UI words, languages and content scope to compare AI, hybrid and human translation costs with disclosed planning assumptions.

• Localization Tool Finder

  Pick team size, languages and budget to shortlist translation management tools using documented capabilities from official sources.

Planning a budget? Try the free localization cost planner or read our guides.