Life & fun · alternatives · 2026

CurrencyFormatter.js is a JavaScript library that formats numbers as currencies. It includes 155 currency definitions and 715 locale definitions, handling both standard and unusually formatted currencies like the… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. CurrencyFormatter.js – easily format currencies in JavaScript launched in 2016; newer entries below may have overtaken it.

1. 1
   CurrencyStack▲113

   A free modern currency data API for fintech apps.

   2019 · currencystack.io · its alternatives →

2. 2
   Free foreign exchange rates API▲249

   Access real-time, free exchange rates and forex data with our currency exchange rate API. Reliable, accurate, and perfect for conversion and forex exchange needs.

   2020 · exchangerate.host · its alternatives →

3. 3
   Dinero.js▲102

   An immutable JS library for working with monetary values 💰⚒

   2018 · sarahdayan.github.io · its alternatives →

4. 4
   Find.Exchange Currency Converter▲75

   A currency converter with live rates that updates every 3s

   2017 · chromewebstore.google.com · its alternatives →

5. 5
   Rapid Currency Converter▲115

   Simplify currency conversions on your web pages

   2024 · chromewebstore.google.com · its alternatives →

6. 6
   Iso20022.js – Create payments in 3 lines of code▲291

   iso20022.js is an open source library to create and manage ISO20022 payment messages

   2024 · iso20022js.com · its alternatives →

7. 7
   Kotlin Money▲427

   Manipulating monetary amounts is a common computing chore. However, no mainstream language has a first-class data type for representing money, it’s up to programmers to code abstractions for it. This isn’t an issue per se until dealing with rounding issues from operations like installment payments (e.g., buy now, pay later), foreign exchange, or even simple things like fee processing and tax collection. Inspired by my days at N26 Brasil dealing with these challenges, I introduce Money: a Kotlin library that makes monetary calculations and allocations easy.

   2024 · blog.eriksen.com.br · its alternatives →

8. 8
   Amounter▲70

   Generate properly formatted amounts in any currency

   2022 · figma.com · its alternatives →

9. 9
   Walter's Currency Converter 3▲65

   Converts more than 160 currencies

   2018 · apps.apple.com · its alternatives →

10. 10
    CurrencyTomb▲138

    Convert obsolete currencies

    2024 · q523r-qaaaa-aaaal-qjgsa-cai.icp0.io · its alternatives →

11. 11
    Apelsin.Money▲109

    Free online currency converter

    2022 · apelsin.money · its alternatives →

12. 12
    Currency converter▲79

    Powerful and convenient currency converter 💰

    2019 · apps.apple.com · its alternatives →

13. 13
    Convertable▲76

    Currency calculator with on-the-fly conversion

    2018 · its alternatives →

14. 14
    valuta.exchange▲72

    A simple web currency converter 💱

    2020 · valuta.exchange · its alternatives →

15. 15
    CalPal▲105

    I built this using React/Next.js. The parsing logic uses [library/custom regex]. Added Gemini API support so users can generate budget templates dynamically. No ads, just a tool.

    Jan 2026 · trycalpal.app · its alternatives →

16. 16
    Currencio▲67

    Simple currency conversion tool

    2019 · currenc.io · its alternatives →

17. 17
    AddCurr▲76

    Convert multiple currencies into one

    2023 · tagoso.net · its alternatives →

18. 18
    CurrencyMan▲8

    Currency conversion extension without the headache ✈️

    2025 · chromewebstore.google.com · its alternatives →

19. 19
    CurrencyScoop▲3

    Real-Time and Historical Currency Rates API.

    2020 · currencybeacon.com · its alternatives →

20. 20
    CurrencyX – Offline Currency Converter▲11

    Offline-ready currency converter PWA with 30+ currencies

    Jan 2026 · codecanyon.net · its alternatives →

21. 21
    currencylayer▲4

    Reliable Exchange Rates & Currency Conversion for Business

    2021 · currencylayer.com · its alternatives →

22. 22
    Instant Currency Converter▲11

    Currency Converter – Just 1-click away! 💱⚡

    2025 · chromewebstore.google.com · its alternatives →

23. 23
    Indian Rupee formatting and word conversion for Ruby▲10

    Format paisa values into canonical Indian Rupee representations. - sudhirj/paisa.rb

    2019 · github.com · its alternatives →

24. 24
    Exchangerate.host▲9

    Real-time and historical FX & crypto rates data solution.

    2024 · exchangerate.host · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →