Preparing localized text for real interfaces, not just translation
Localization work includes much more than replacing one language with another. Interface strings may have length limits, placeholders, plural rules, punctuation conventions, bidirectional text, special spaces, or Unicode characters that behave differently across platforms. These tools help inspect and prepare localized strings before they go into a product or content system.
Do not optimize translated text only to match the length of the English source. Some languages need more space, and shortening them aggressively can remove useful meaning. Protect variables and markup during editing, then test the result in the actual layout with realistic names, numbers, and dates.