Stop Guessing.Start CrackingFrontend Interviews.
The sharpest frontend interview kits for engineers targeting Flipkart, Swiggy, CRED, Zepto & more. Real company questions, structured answers — one-time payment, lifetime access, free updates forever.
The Problem
Most devs fail frontend interviews
for the wrong reasons
It's not that you don't know React. You just haven't prepared the way interviewers actually test you.
Studying wrong topics
Most prep material is outdated or too theoretical. Interviewers at product companies ask very specific patterns.
No structured approach
Random YouTube videos + scattered articles = no retention. You need a clear path from JS basics to system design.
Can't explain what you know
You use closures every day but freeze when asked to explain them. It's a communication problem, not a knowledge one.
Leaving money on the table
A 3 LPA salary difference is just one interview away. Most devs don't know how to negotiate after the technical round.
ForgeFrontend kits fix all of this
Exactly what interviewers ask — curated from real interview experiences at Indian product companies
Structured learning path — from closures to system design, in the right order
Answer templates — learn how to explain complex concepts clearly, every time
Salary negotiation guide — know your market value and how to ask for it confidently
One-time purchase — lifetime access, all future updates included
Built for engineers targeting ₹15–40 LPA roles at India's top product companies
The Kits
Pick your prep kit. Own the interview.
One-time payment. Instant Drive access delivered to your email.
JavaScript Interview Kit
Master core JavaScript. Clear every first round.
- ✦JS Learning Handbook
- ✦80+ Interview Q&A
- ✦Coding & Polyfills Handbook
- ✦Quick Revision Cheatsheet
- ✦Output prediction questions
🔒 Secure checkout · Instant Drive access
React Interview Kit
The most complete React prep kit. Period.
- ✦React Learning Handbook
- ✦75+ React Interview Q&A
- ✦Machine Coding Handbook
- ✦React 18 & 19 (Actions, use())
- ✦Custom Hooks deep-dive
🔒 Secure checkout · Instant Drive access
Complete Frontend Kit
Everything. One price. Zero excuses.
- ✦All 4 JavaScript Kit PDFs
- ✦All 4 React Kit PDFs
- ✦HTML & CSS Handbook
- ✦TypeScript Handbook
- ✦Frontend System Design
🔒 Secure checkout · Instant Drive access
What's Inside
Every section is built to make you interviewable
Complete JavaScript Kit
All 4 JS PDFs — learning handbook, 80+ Q&A, coding & polyfills, quick revision
Complete React Kit
All 4 React PDFs — learning handbook, 75+ Q&A, machine coding, quick revision
HTML & CSS Handbook
Semantic HTML, accessibility, the box model, Flexbox, Grid, responsive & modern CSS
TypeScript Handbook
The type system, generics, utility & advanced types, and TypeScript with React — from first principles
Frontend System Design
RADIO framework, rendering, state, APIs, performance, caching, security + design walkthroughs
Career & Negotiation Guide
Resume, job search, CTC/ESOPs, market rate and word-for-word negotiation scripts
Full Quick Revision
All-in-one cheatsheet — JS, React, HTML/CSS and system design for the night before
How every answer is built
Structured to make you crack it — not just read it
Anyone can list questions. Every single entry in our kits is engineered into the same 7-part structure — so you don't just know the answer, you know exactly how to deliver it.
The real question asked at MNCs & product companies — tagged by difficulty.
A crisp one-liner to lead with, so you never freeze at the start.
The reasoning interviewers actually want to hear — not textbook fluff.
Working examples you can reason about, never vague pseudo-code.
The exact words to use out loud, plus the gotchas to avoid.
The next questions they'll ask — so nothing catches you off guard.
The intent behind the question, so you answer what's really being tested.
What is a closure and why is it useful?
function counter() {
let n = 0;
return () => ++n; // remembers n
}
const next = counter();
next(); // 1
next(); // 2Lead with “a function plus its captured scope,” then show the counter example — it lands every time.
Every one of 150+ questions — across JavaScript, React, HTML/CSS & system design — follows this exact structure.
Focused, not bloated
More PDFs ≠ more learning
Other kits pad their offer with 20–30 PDFs to look like more value. But a bigger pile isn't more learning — it's more to get lost in, and more that never gets read. Our kits include only what top companies actually test, structured so you finish it and re-read it before every interview.
The usual 30-PDF dump
- 20–30 PDFs you'll never actually finish
- Padded with filler to look 'complete'
- No structure — where do you even start?
- Overlap and repetition that confuses more than it clarifies
- Read once, forgotten, never opened again
The ForgeFrontend kit
- Only the topics top companies actually test
- Every page earns its place — signal, not noise
- Structured: concept → quick answer → detail → crack it
- Complete without the bloat — you'll actually finish it
- Built to re-open and revise before every interview
Focused
Nothing you don't need. Just the questions and concepts that decide real interviews.
Structured
A clear path from fundamentals to interview-ready — not a pile of files to sort through.
Reusable
Your go-to prep the night before every interview — revise it in an hour, forever.
You don't need 30 PDFs. You need the right ones — solid, structured prep you can open the night before and walk in confident.
See what's inside the kits →Reviews
Devs who cracked it
Real feedback from developers who used ForgeFrontend kits
“I bought the Complete Bundle and prepped JS, React and frontend system design from one place — no juggling ten tabs. Cleared PhonePe in four rounds straight.”
Vikram N.
Frontend Engineer · Joined PhonePe
“The Career & Negotiation guide paid for itself a hundred times over. I used the exact scripts to take my offer from ₹16 to ₹23 LPA.”
Ananya S.
SDE-2 · Razorpay
“The React Q&A and machine coding handbooks are the most interview-relevant prep I've found. Walked into Swiggy's rounds genuinely confident.”
Harish G.
React Developer · Swiggy
FAQ
Quick answers
Everything you need to know before picking up a kit.
Your next interview could be your breakthrough offer
One kit. One week of focused prep. One offer that changes your career. Trusted by 3,500+ engineers across India.