Dev tools · alternatives · 2026

24 alternatives to FillDuck

Auto-fill your extension's store listings in every language

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

1. 1CE
   Chrome extension that replaces words into a different language▲67

   2016 · alpharabi.us · its alternatives →

2. 2
   Fluent▲821

   Learn a new language by browsing the web

   2020 · fluent.co · its alternatives →

3. 3
   Vokab▲361

   Learn German with each tab you open

   2024 · learnvokab.com · its alternatives →

4. 4
   Fluent 1.0▲496

   Learn a new language while you live your life

   2021 · fluent.co · its alternatives →

5. 5
   Toucan▲595

   Learn a new language while you browse the web.

   2020 · jointoucan.com · its alternatives →

6. 6
   Toucan 2.0▲322

   Learn a new language without even trying

   2021 · jointoucan.com · its alternatives →

7. 7
   Claude in Chrome▲491

   Let Claude see, click, type, and navigate in your browser

   Dec 2025 · claude.ai · its alternatives →

8. 8
   10words.io▲237

   Discover new apps and startups in 10 words or less

   2018 · 10words.io · its alternatives →

9. 9
   Alpharabi▲71

   Translate words on specific sites into foreign languages

   2016 · its alternatives →

10. 10
    Fluensa▲117

    Make the entire internet a space for language learning

    2025 · its alternatives →

11. 11
    Learn Languages with Google Translate▲93

    Learn the words you translate with one click

    2019 · chromewebstore.google.com · its alternatives →

12. 12
    Accents▲70

    Chrome extension that emulates the accent system from macOS

    2019 · chromewebstore.google.com · its alternatives →

13. 13
    Polyglot for Safari▲73

    Translate selected text into your native language.

    2017 · apps.apple.com · its alternatives →

14. 14
    Letra▲76

    Passively learn a new language every time you open a new tab

    2020 · chromewebstore.google.com · its alternatives →

15. 15
    AtomicVocab▲91

    Expand your vocabulary, one tab at a time

    2023 · chromewebstore.google.com · its alternatives →

16. 16
    Polish▲117

    Turn your browser into a powerful UX writing tool!

    2021 · its alternatives →

17. 17
    Sponge▲94

    Absorb a new language

    2023 · thewordsponge.com · its alternatives →

18. 18
    Simple Reminder▲6

    Multilingual - chrome web store

    2025 · chromewebstore.google.com · its alternatives →

19. 19
    Konlap▲56

    Surf the net in 100+ languages

    2022 · its alternatives →

20. 20
    What's That▲77

    Translate words into multiple languages in one click

    2019 · whatsthat-littlewonder.vercel.app · its alternatives →

21. 21
    A new innovative Browser extension to expand your vocabulary▲23

    Burning Vocabulary is a new innovative Chrome extension to expand your vocabulary fast and effectively. Mark and save the words you don

    2020 · burningvocabulary.com · its alternatives →

22. 22
    WriteRight▲66

    Chrome extension for hassle-free RTL/LTR writing

    2023 · chromewebstore.google.com · its alternatives →

23. 23
    OpenLanguage plugin▲61

    Your professional English copilot

    2023 · chromewebstore.google.com · its alternatives →

24. 24
    LanguageTool - Grammar & Style Checker▲15

    Supports 25+ Languages, Plugins for Chrome, Firefox & GDocs

    2019 · languagetool.org · 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 →