Life & fun · alternatives · 2026

24 alternatives to Big List of Naughty Strings

Strings which have a high probability of causing issues

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Big List of Naughty Strings launched in 2015; newer entries below may have overtaken it.

1. 1
   Big List of Naughty Strings for testing user-input data▲514

   The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data. - minimaxir/big-list-of-naughty-strings

   2015 · github.com · its alternatives →

2. 2
   FourZeroFour▲227

   Showcase of the best error pages on the web.

   2016 · its alternatives →

3. 3
   Strings▲175

   In-app copy editing for UX writers and product teams

   2020 · its alternatives →

4. 4
   Strings▲71

   A messaging app that lets you take messages back

   2015 · apps.apple.com · its alternatives →

5. 5
   Check a Site▲95

   Scan websites for over 700 quality problems

   2014 · try.powermapper.com · its alternatives →

6. 6
   &what;▲75

   interactive reference of 14,500 HTML character entities

   2015 · amp-what.com · its alternatives →

7. 7
   Bad Numbers▲137

   A reverse telephone lookup of unwanted calls

   2016 · badnumbers.info · its alternatives →

8. 8
   Shitty User Names▲101

   Generate crude and unusual usernames

   2015 · its alternatives →

9. 9
   CODY▲136

   Free library of HTML, CSS, & JS nuggets

   2014 · codyhouse.co · its alternatives →

10. 10
    URLify▲150

    Turn your URL's into suspicious looking links

    2016 · urlify.io · its alternatives →

11. 11
    Eye of the Dragon▲142

    Learn to parse, manage, and manipulate multibyte PHP strings

    2022 · leanpub.com · its alternatives →

12. 12
    Santa Slam▲65

    Text bomb your friends random Christmas carols

    2015 · santaslam.com · its alternatives →

13. 13
    The Technology Bullshit Generator▲138

    Create fancy tech jargon in seconds

    2016 · its alternatives →

14. 14
    Appcanary▲106

    Never run vulnerable software again

    2015 · blog.appcanary.com · its alternatives →

15. 15
    Nice 2 Hack You - by Big Data▲78

    Big Data presents an amazing hacking opportunity! You.

    2015 · its alternatives →

16. 16
    Codecrap▲93

    Where developers go to laugh and cry

    2014 · codecrap.com · its alternatives →

17. 17
    Real Problem Hunt▲142

    The Product Hunt for problems

    2015 · its alternatives →

18. 18
    ..▲106

    ..

    2017 · airtape.net · its alternatives →

19. 19
    Forecats▲99

    Cats, GIFs, weather… You are welcome. :)

    2015 · vtpfilms.in · its alternatives →

20. 20
    High Five PH!▲94

    High Five The Internet (web gif creator)

    2014 · its alternatives →

21. 21
    Codebrag▲71

    Code reviews made fun

    2014 · codebrag.com · its alternatives →

22. 22
    Bugsnag▲96

    Automated crash monitoring for web and mobile apps

    2014 · bugsnag.com · its alternatives →

23. 23
    Programming Excuses▲93

    Excuses For Lazy Coders

    2015 · programmingexcuses.com · its alternatives →

24. 24
    hipsterdomainfinder▲104

    Find available one word domain hacks

    2014 · trustname.com · 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 →