Currency Converter by pustelnik
Type 'fx 10 USD to PLN' in the Firefox address bar to convert currencies via the Frankfurter API.
Extension Metadata
About this extension
Type
fx in the address bar, press space, then type a conversion like 10 USD to PLN. A live suggestion appears with the converted amount; pressing Enter opens a plain result page.10 USD to PLN10 USD PLN(word "to" is optional)USD PLN(amount defaults to 1)USD/PLN- Decimal separator accepts both
.and,(10,5 EUR to PLN)
- Rates are Frankfurter's daily reference values (ECB and partner central
banks), not real-time market rates. - No API key, no host beyond
api.frankfurter.devis contacted. lastRequestIdguards against race conditions: if you keep typing before
a fetch resolves, the stale response is discarded instead of overwriting
a newer suggestion.
Rated 0 by 0 reviewers
Permissions and data
Required permissions:
- Access browser tabs
- Access your data for api.frankfurter.dev
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0.0
- Size
- 11.21 kB
- Last updated
- 5 days ago (6 Sep 2026)
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- Version History
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