Six datasets and small libraries, published on GitHub, MIT licensed: locale codes, text expansion, screenshot sizes, fonts, all for App Store screenshot localization. Format, coverage and license are in the table below for each; the link goes straight to the repo.
Free resource: no email required
App Store & Google Play Locale Dataset
Codes, fonts, RTL info, and text-expansion data for 40+ languages, covering both App Store Connect and Google Play Console locale formats.
Format TypeScript Coverage 40+ languages License MIT Install npm install app-store-locales Price Free
Get it → Free resource: no email required
Shotlingo Locale Codes
Maps ISO 639-1 codes to the App Store Connect and Google Play locale codes that differ between the two stores (Hebrew is "he" on iOS, "iw-IL" on Android).
Format TypeScript Coverage 40+ languages License MIT Install npm install @shotlingo/locale-codes Price Free
Get it → Free resource: no email required
Shotlingo Text Expansion Ratios
Character and rendered-width expansion ratios for UI copy translated into 40+ languages, derived from real localized screenshot pairs.
Format TypeScript Coverage 40+ languages Derived from Real localized screenshot pairs License MIT Price Free
Get it → Free resource: no email required
Shotlingo Screenshot Sizes
Current App Store and Google Play screenshot size requirements (pixel dimensions, aspect ratios, minimum counts), verified against Apple App Store Connect Help and Google Play Console Help.
Format TypeScript Coverage iPhone, iPad, Watch, Mac, Apple TV, Vision Pro, Google Play Verified against Apple App Store Connect Help, Google Play Console Help License MIT Price Free
Get it → Free resource: no email required
i18n Screenshot Fonts
Platform-aware font recommendations for multilingual App Store screenshots, covering CJK, Arabic, Hebrew and other complex scripts across iOS, Android and Web.
Format TypeScript Coverage 40+ languages, iOS / Android / Web License MIT Install npm install i18n-screenshot-fonts Price Free
Get it → Free resource: no email required
Text Expansion Calculator
Calculates expected text expansion (character count, visual width, layout overflow risk) when translating UI copy into 40+ languages.
Format TypeScript library Coverage 40+ languages License MIT Install npm install text-expansion-calculator Price Free
Get it → See the full artifact inventory (the product, the shipped apps, these datasets, the tool, the writing) at /work .