# Pseudo-Localizer | Expose clipping with expanded test strings

Will translated text fit? Accent and expand resource strings while preserving keys and recognized placeholders. Check locally in your browser. No upload.

Canonical: https://tamperbox.dev/pseudo-localizer

Docs: https://docs.tamperbox.dev/tools/pseudo-localizer.md

Updated: 2026-10-26

Reviewed: 2026-10-26

## How it works

Pseudo-Localizer reads resource file locally and presents findings with the evidence behind them. Synthetic checkout strings combine readable text, a named placeholder and an ICU plural expression. The full method, every rule and worked examples are on [docs.tamperbox.dev](https://docs.tamperbox.dev/tools/pseudo-localizer/).

## Limits and interpretation

Pseudo-localization is a layout aid, not a translation. Entire ICU blocks stay unchanged. Inline XML markup is refused to prevent tag loss. Inputs are limited to 1,000,000 characters per field. Nothing is fetched from addresses embedded in input. Explicit copies and downloads are under your control.

## Frequently asked questions

### Is my input uploaded?

No. Parsing and output generation run in your browser. Source values are not sent to a server.

### What does the opening example demonstrate?

Synthetic checkout strings combine readable text, a named placeholder and an ICU plural expression. It is synthetic data. Replace it with your own input to inspect a different case.

### Does a passing result prove my application works?

No. Pseudo-localization is a layout aid, not a translation. Entire ICU blocks stay unchanged. Inline XML markup is refused to prevent tag loss. Verify the result in your test environment before relying on it.

## References

- [Primary format and behavior reference](https://developer.android.com/guide/topics/resources/pseudolocales).