Generator Settings
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Generated Results
Ready| # | Source text | Generated key | Action |
|---|---|---|---|
| Generate keys to see results. | |||
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What Is a Localization String Key?
Localization string keys are stable identifiers for translated interface text. They separate visible wording from application logic and source code. A good key remains understandable even when translations change later. Teams often organize keys by feature, screen, component, or message purpose. Common examples include auth.login.button, checkout.payment.failed, and profile.email.label. Consistent naming reduces duplicate strings and makes translation files easier to maintain. It also helps developers search large projects more quickly.
How This Generator Works
This generator converts one or many source strings into reusable localization keys. Choose a naming convention, namespace, prefix, suffix, and maximum length. Optional rules can remove articles, stop words, punctuation, accents, or repeated separators. Placeholder recognition helps preserve meaningful tokens like names, counts, emails, and numeric values. Smart concise mode reduces unnecessary wording while keeping the key readable. Generated keys remain editable before export. Duplicate detection highlights naming collisions that may require manual review.
Recommended Localization Naming Conventions
Dot notation works well for nested translation structures and large applications. Snake case is useful for flat files and systems preferring underscore separators. Kebab case suits URL-like naming conventions. Camel case and Pascal case can match JavaScript or TypeScript project styles. Upper snake case resembles constant naming conventions. The most important rule is consistency across the entire application. Use predictable namespaces such as authentication, validation, checkout, navigation, settings, and notifications. Avoid embedding volatile wording when a stable semantic description is available.
Best Practices for Translation Keys
Keep keys descriptive without making them unnecessarily long. Prefer semantic meaning over copying every sentence word. Store the original source string beside its generated key during review. Preserve placeholders when they explain the message purpose. Review duplicate keys before shipping translation files. Use the downloadable JSON, , YAML, XML, CSV, or PDF outputs for development handoff and documentation. A consistent localization key system improves maintainability across multilingual products and distributed development teams.
Naming Style Examples
| Style | Example | Typical use |
|---|---|---|
| Dot notation | account.profile.edit_button | Nested translation structures |
| Snake case | account_profile_edit_button | Flat translation files |
| Kebab case | account-profile-edit-button | URL-like naming systems |
| Camel case | accountProfileEditButton | JavaScript applications |
| Pascal case | AccountProfileEditButton | Class-oriented conventions |
| Upper snake case | ACCOUNT_PROFILE_EDIT_BUTTON | Constant-style resources |
Example Key Mapping
| Source string | Namespace | Suggested key |
|---|---|---|
| Sign in | auth | auth.sign.in |
| Forgot your password? | auth | auth.forgot.password |
| Invalid email address | validation | validation.invalid.email.address |
| Your password has been changed successfully. | account | account.password.changed.successfully |
Frequently Asked Questions
What is a localization string key?
It is a stable identifier used to retrieve translated interface text from a language resource file.
Which naming style should I use?
Use the convention already preferred by your project. Dot notation is especially useful for nested localization structures.
Can I generate keys in bulk?
Yes. Enter one source string per line and generate all keys together.
Does the tool preserve placeholders?
Yes. It recognizes common placeholder patterns and can retain meaningful placeholder names in generated keys.
How are duplicate keys handled?
Duplicate generated keys receive numbered suffixes while the duplicate counter records detected collisions.
Which export formats are supported?
The tool supports JSON, , JavaScript, TypeScript, YAML, XML, Android XML, iOS strings, Laravel, Vue, React, Symfony, CSV, and PDF.
Are my strings uploaded anywhere?
No. Generation happens locally in your browser after the page loads.