Built by Students,
for
Students
PrepEra was born from a simple, painful truth: finding good engineering study material is unnecessarily hard. We set out to fix that — one PDF at a time.
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Materials
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Students
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Downloads
6+
Universities
The Problem We're Solving
Every engineering student knows the struggle. It's 2 AM before an exam. You're searching for the right notes — scattered across WhatsApp groups, random Telegram channels, and unreliable third-party sites. Half the files are corrupted, the rest are for the wrong syllabus.
Good study material exists — it just isn't organized. It lives on hard drives and in notebooks, never shared because there was no incentive or platform to do so.
PrepEra changes this. We built a structured, quality-controlled, community-driven knowledge base specifically for B.Tech students — ranked by university, branch, and semester.
Curated, Not Cluttered
Every material is reviewed by our editorial team before going live. No junk, no duplicates.
Community-Powered
The content grows because students contribute. The more you give, the more everyone benefits.
Rewarded Contribution
Top contributors earn IIT ranks and real-world rewards. Your effort is recognized and celebrated.
Our Vision
To become the definitive knowledge infrastructure for every engineering college in India — a platform where no student ever fails an exam due to lack of access to good study material. We envision a world where academic resources are as open and accessible as the internet itself.
Our Mission
To accelerate the academic performance of Indian engineering students by building a high-quality, community-contributed, university-organized study hub. We do this by rewarding contributors, enforcing quality standards, and continuously improving the discovery experience.
What We Stand For
Academic Excellence
We believe every student deserves access to the best resources, regardless of their college or city.
Community First
We are built by students, for students. Every decision we make puts the community at the center.
Quality over Quantity
Every material is reviewed. We'd rather have 100 perfect PDFs than 1000 mediocre ones.
Open Growth
Knowledge grows when it's shared. The more we give, the stronger every student becomes.
How We Built It
PrepEra is built on a modern, serverless stack designed to scale with our community. We chose technologies that prioritize performance, real-time collaboration, and developer speed.
Supabase — PostgreSQL database, Auth, Storage & Real-time subscriptions
Tailwind CSS — Utility-first styling with a custom design token system
Vanilla JS (ESM) — Lightweight, no framework overhead, full browser support
Sora & Geist — Premium typography for a clean, modern reading experience
Supabase
Backend & Real-time
Row Level Security
Enterprise-grade auth
Zero Framework
Pure ESM modules
CDN Hosted
Global edge delivery
Want to Contribute or Collaborate?
We're always looking for passionate students, educators, and developers to help us grow the platform. Reach out — we'd love to hear from you.