Abhishek Kumar

Abhishek Kumar

Founder of Lihenium. Building Lihenium

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Tastemaker
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Maker History

  • LiheniumScan, edit, secure & manage all your docs in one place
    Mar 2026
  • 🎉
    Joined Product HuntMarch 28th, 2026

Forums

Abhishek Kumar

1mo ago

Show & Tell: I built an offline-first PDF Scanner & Vault (optimized the bundle down to 20MB)

Hey everyone!

I'm a solo student developer, and I recently launched Lihenium, an offline-first document toolkit for Android.

The Problem: I noticed that almost every popular PDF scanner app requires an internet connection just to crop an image or run OCR, and they are packed with unnecessary bloatware. For students and professionals in areas with spotty internet (or those who just value privacy), this is a nightmare.

The Solution: I engineered Lihenium so that all the core heavy-lifting scanning, auto-edge detection, PDF merging, and OCR runs completely locally on the device hardware.

Abhishek Kumar

2mo ago

Solo dev from India 🇮🇳 — built my first app & launching on Product Hunt March 31st!

Hey Product Hunt! I'm Abhishek, a solo Android developer from India.

I spent months building Lihenium: Scan PDF & Vault an all-in-one document app because I was tired of using 5 different apps just to scan, edit, and secure my files.

No team. No funding. Just code, chai and late nights

Launching this March 31st would love to connect with fellow makers and builders here!

Abhishek Kumar

2mo ago

I built an All-in-One Document Scanner, PDF Editor & Secure Vault for Android — solo dev from India

Hey everyone!

I'm launching Lihenium: Scan PDF & Vault on Product Hunt this March 31st!

It's an all-in-one document app I built completely solo:

Smart Scanner with auto-crop

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