Lakhyajit Changmai

Founder of ZANCTA - privacy-first PDF and image tools that run entirely in your browser. No uploads, no server-side processing. Full-stack: Next.js, TypeScript, Node.js, PostgreSQL.

Guwahati, Assam, India Joined on Oct 16, 2026 https://zancta.tech

Education

CS @ Tezpur University

Work

Founder @ ZANCTA

Lakhyajit Changmai

Oct 27

Five rich-text editors, five ways to inject text, and the layer that actually matters

#webdev #javascript #programming #testing

4 min read

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Lakhyajit Changmai

Oct 27

I grepped my own app for file-upload paths. There is exactly one, and it is the contact form

#privacy #webdev #typescript

4 min read

Lakhyajit Changmai

Oct 16

What browser-local file tools actually cost you

#webdev #buildinpublic

4 min read

DEV Community

Lakhyajit Changmai

Badges

Writing Debut

Skills/Languages

Currently hacking on

Available for

Five rich-text editors, five ways to inject text, and the layer that actually matters

Want to connect with Lakhyajit Changmai?

I grepped my own app for file-upload paths. There is exactly one, and it is the contact form

What browser-local file tools actually cost you