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I’ve used Google Search for converting currencies, but this is no longer an option as it (since some time) requires JavaScript for displaying the result (without JS, the result is visible only for a second).

I’m looking for an alternative that

  • is a hosted Web app
  • does not require an account
  • does not require JavaScript
  • takes it input from a single form field (see example below)
  • shows the result (after form submission) without having to scroll or click somewhere

It has to be a single form field because I want to use it with the Firefox search shortcut feature. This allows me to enter my query directly into the Firefox address bar.

Google Search allows queries like 10,50 USD in EUR, which works great, but a solution does not have to use this same syntax.

It should work whether . or , is used as decimal mark (I won’t enter a thousands separator).

  • It sounds like you're looking for a service (“hosted web app”), not software? We don't do those. I think xe.com could work for you, its home page requires JS but you can link directly to e.g. http://www.xe.com/currencyconverter/convert/?Amount=42&From=SEK&To=EUR – Gilles 'SO- stop being evil' May 26 '15 at 17:20
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    @Gilles: I’m not sure I follow. The linked Meta discussion is about hosting recommendations, but I’m not looking for a hoster (where I could install a currency converter), but for an online currency converter (i.e., hosted by someone else, like Google Search or Wolfram Alpha), so the Meta discussion Are web service recommendations off-topic? would apply here (unless such currency converters would be considered to be web sites rather than web apps). – unor May 26 '15 at 18:00
  • As per meta.softwarerecs.stackexchange.com/q/44, you're in the “whose server shall I run it on” bucket, since you're not looking for software, you're looking for someone to provide you with the service. – Gilles 'SO- stop being evil' May 26 '15 at 18:03
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    @Gilles: Wouldn’t the "whose server shall I run it on?" bucket require that I have/know the software that I want someone to host? -- Asking for a local currency converter would be on-topic, asking for a self-hosted currency converter would be on-topic, but asking for a hosted currency converter would be off-topic? I can’t see why that would be the case. – unor May 26 '15 at 18:24
  • +0. Why don't you just use an extension such as NoScript to enable JavaScript while you're using Google Web Search? – unforgettableid May 27 '15 at 2:56
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Wolfram Alpha

Wolfram Alpha can convert currencies. It only requires JavaScript for more advanced operations and queries, like currency trends and interactive graphs. I just tried it with JS disabled. Below are the results

Features:

  • Hosted
  • Account not mandatory
  • Does not require JavaScript for simple currency conversion
  • Takes input from a single field
  • Shows result directly below input field
  • Has a Firefox Add-on for displaying results in Google search

Cons:

  • It only recognizes a period . for decimal separation

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