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Localization for the Turkish market

Translation is the easy part. Turkish casing, formats, addresses and consumer-law flows are where software breaks.

Not legal or tax advice. KOD16 is a technical implementation partner. Legal and tax opinions come from our partner Turkish accountants (mali müşavir) and law firms.

What we deliver

  • Casing, collation and search folding for Turkish (the "Turkish i" problem)
  • tr-TR formats: 1.234,56, ₺/TL, dd.MM.yyyy, 24-hour clock, Europe/Istanbul
  • Address model il / ilçe / mahalle and +90 phone numbers in E.164
  • Consumer-law flows: pre-information form, distance sales contract, 14-day withdrawal
  • Turkish UI copy written by native speakers; legal texts reviewed by a lawyer

A classic bug

"FILE".toLowerCase()            // "file" — correct for identifiers
"FILE".toLocaleLowerCase('tr-TR') // "fıle" — correct for Turkish text only
// Use tr-TR for what users read, invariant for keys, e-mails and codes.

Frequently asked questions

Do you translate the whole product?

We handle the engineering side and work with native Turkish copywriters for the interface. Legal texts are reviewed by a Turkish lawyer.

Official sources

Links checked on 28 October 2026. Laws, rates and thresholds change; always confirm the current text.

Planning a launch in Türkiye or fixing a live integration? Send us your stack and timeline; the KOD16 team replies within one business day.

Request an assessmentinfo@kod16.com.tr