John Olorunfemi

John Olorunfemi

Building tools to solve real problems.
#936005514 followers5 following
#12,252Last month
0 KP
>10,000All time
27 KP

About

I love the unsexy problems. While everyone else chases AI hype, I obsess over privacy-conscious utilities that save you hours. Lead Developer of JsonExport (the web app, not the npm package) — a 100% client-side tool to convert JSON to Excel without ever sending your data to a server.

Badges

Tastemaker
Tastemaker
Gone streaking
Gone streaking
Gone streaking 5
Gone streaking 5

Maker History

  • Dainty Proofreader
    Dainty ProofreaderProofread fiction without rewriting your voice
    Jun 2026
  • Universal Undo
    Universal UndoRecover lost text on Android before you retype everything
    Apr 2026
  • JsonExport
    JsonExportConvert JSON files to Excel instantly. 100% Client-side.
    Jan 2026
    • 🎉
    Joined Product HuntJanuary 16th, 2026

Forums

•

1mo ago

Dainty Proofreader - Proofread fiction without rewriting your voice

Dainty helps fiction writers fix typos, punctuation slips, broken dialogue, sentence-boundary issues, and clear grammar errors without turning their prose into bland AI-sounding text.
•

3mo ago

Universal Undo - Recover lost text on Android before you retype everything

Android still makes it too easy to lose a long reply, draft, or form entry and then forces you to rebuild the original wording from memory. Universal Undo helps bring back the last usable version of typed text before you start over. It is built for the exact moment text disappears on Android and you need a real way back.
JsonExportp/jsonexport•

6mo ago

And we are live!

Yeah. JsonExport.com is live and ready for would-be users.
And yes, it's also live on the Product Hunt page starting today.
Let's see what we can do collectively, shall we?

View more