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John Yuan
CEO of Lumiface
#9422950
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Maker History
Codex Skin
Curated themes for ChatGPT Desktop
Aug 2026
2markdown.io
Free PDF to Markdown converter — AI mode for scanned PDFs.
May 2026
AI Bio Generator
Best free Bio generator for you
Mar 2026
Ai generator Fanfic
Your fandom. Your story. Your rules.
Mar 2026
Hum to Search Directory
Tackling the Challenge of Music Discovery
Feb 2026
🎉
Joined Product Hunt
February 5th, 2026
Forums
John Yuan
•
21h ago
Codex Skin - Curated themes for ChatGPT Desktop
Browse Codex themes and skins for the Codex desktop app. Install, apply, and switch themes on macOS or Windows—and restore the official look offline.
1
1
John Yuan
•
4mo ago
2markdown.io - Free PDF to Markdown converter — AI mode for scanned PDFs.
Convert PDF to Markdown for free. Native PDFs are processed in your browser, never uploaded. AI mode for scanned or complex PDFs is opt-in. No signup, no hidden quotas.
1
0
John Yuan
•
6mo ago
AI Bio Generator - Best free Bio generator for you
Generate a professional, funny, or creative bio in seconds with our free AI bio generator for Instagram, LinkedIn, Tinder, and more.
1
1
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