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Dev tools · alternatives · 2026

24 alternatives to Smart Converter PWA

Fast, offline-first currency and unit converter built a PWA

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1

    Simple and fast currency converter with offline mode

    2024 · play.google.com · its alternatives →

  2. 2

    Fast and easy to use currency and units converter

    2017 · play.google.com · its alternatives →

  3. 3

    Offline-ready currency converter PWA with 30+ currencies

    Jan 2026 · codecanyon.net · its alternatives →

  4. 4

    Simple & Fast Currency Converter, that works offline ⚡🚀

    2019 · currency-converter.vercel.app · its alternatives →

  5. 5
    Pep▲156

    Turn your site into a fast, installable Progressive Web App

    2021 · pep.dev · its alternatives →

  6. 6

    Convert any website into a PWA in 2 minutes

    2024 · its alternatives →

  7. 7
    ScandiPWA▲112

    React PWA to improve your e-commerce store experience

    2021 · scandipwa.com · its alternatives →

  8. 8

    Simplify currency conversions on your web pages

    2024 · chromewebstore.google.com · its alternatives →

  9. 9

    The fastest currency converter for travellers!

    2018 · its alternatives →

  10. 10

    Powerful and convenient currency converter 💰

    2019 · apps.apple.com · its alternatives →

  11. 11

    Currency Converter - Real-Time & Offline Access to Global

    2024 · play.google.com · its alternatives →

  12. 12

    I built this after getting frustrated with existing converters that are either ad-heavy or lack precision controls. Designed specifically for professionals who need accuracy in their calculations. Key technical decisions: - Single HTML file for fast loading and offline capability - Vanilla JavaScript (no frameworks) for maximum performance - PWA implementation for mobile/desktop use - Precision controls up to 15 decimal places - Specialized units for cooking, scientific, and historical conversions Built it in 24 hours using Claude Code and deployed on Netlify. The challenge was…

    2025 · precisionconvert.io · its alternatives →

  13. 13
    GOPWA▲64

    The power of PWA technology for merchants

    2022 · gomage.com · its alternatives →

  14. 14

    Currency calculator with on-the-fly conversion

    2018 · its alternatives →

  15. 15

    Your Travel companion with live rates and image conversion

    2024 · apps.apple.com · its alternatives →

  16. 16

    Hey HN I built ImageConverter.dev because I got tired of “free” image converter sites that force uploads, or throttle conversions. So I made a tool that runs 100% client-side — meaning your images never leave your device. It’s built for speed, simplicity, and privacy. What it does Convert images between JPG, PNG, WebP Works offline once loaded (PWA support) How it works It uses the Canvas API and WebAssembly to handle conversions directly in the browser. There’s no upload, no tracking, no server costs, and it’s fast even on mid-range devices. Why I built it I wanted an instant, no-ads,…

    Oct 2025 · imageconverter.dev · its alternatives →

  17. 17

    An offline capable notepad powered by ServiceWorker. It

    2020 · notepad.js.org · its alternatives →

  18. 18

    Currency Converter – Just 1-click away! 💱⚡

    2025 · chromewebstore.google.com · its alternatives →

  19. 19

    Very fast live currency converter app that works offline too

    2017 · apps.apple.com · its alternatives →

  20. 20

    Offline simple and easy to use unit & currency converter

    2022 · play.google.com · its alternatives →

  21. 21

    Advanced calculator with full offline support& modern design

    Dec 2025 · abo-suhail-calculator.vercel.app · its alternatives →

  22. 22

    PWA Password Manager

    2022 · simplepass.alightservices.com · its alternatives →

  23. 23

    Free unit converter — 16 categories, 120+ units, offline

    Jul 2026 · prounitconverter.com · its alternatives →

  24. 24

    Lightning-fast, no-BS conversions, clutter-free interface.

    2025 · instantunitconvert.com · its alternatives →

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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 →