All-in-one hub for tools, learning & interviews
Free Business Tools,Dev Cheatsheets & Interview Guides
Use 100+ calculators, analyzers, converters & generators, explore concise learning notes, and read real interview experiences from top companies — all without signup.
Business Tools
100+ toolsCalculators, generators, analyzers, converters & more – all in one place.
Open sectionLearning Hub
Dev cheatsheetsConcise cheatsheets & reference cards for developers and tech professionals.
Open sectionInterview Experiences
Company-wiseReal interview experiences from top companies to help you prepare smarter.
Open sectionExplore Business Tools
Jump straight into the tools you need most: calculators, analyzers, converters and generators.
Calculators
Business calculators for ROI, profit margin, cash flow, payroll, loans, invoices, and more.
Open CalculatorsAnalyzers
Text, JSON, code and productivity analyzers to streamline your day-to-day work.
Open AnalyzersConverters
Text, file and format converters – text ↔ PDF/Word/CSV, case converter, image/video tools.
Open ConvertersGenerators
Business names, slogans, QR codes, meta tags, email signatures and more creative helpers.
Open GeneratorsLearning Hub – Cheatsheets & References
Quickly refresh core concepts with developer-focused cheatsheets and guides.
JavaScript Cheatsheet
Open quick reference for javascript cheatsheet.
Python Basics
Open quick reference for python basics.
SQL Cheatsheet
Open quick reference for sql cheatsheet.
Git Command Cheatsheet
Open quick reference for git command cheatsheet.
Docker Cheatsheet
Open quick reference for docker cheatsheet.
Linux Terminal Cheatsheet
Open quick reference for linux terminal cheatsheet.
Real Interview Experiences
Prepare smarter with detailed experiences from service-based, product, and banking companies.
TCS Interview Experience
Read preparation tips, rounds, and questions discussed in this interview.
Wipro Interview Experience
Read preparation tips, rounds, and questions discussed in this interview.
Infosys Interview Experience
Read preparation tips, rounds, and questions discussed in this interview.
HCL Interview Experience
Read preparation tips, rounds, and questions discussed in this interview.
Airtel Interview Experience
Read preparation tips, rounds, and questions discussed in this interview.
Reliance Interview Experience
Read preparation tips, rounds, and questions discussed in this interview.
ICICI Bank Interview
Read preparation tips, rounds, and questions discussed in this interview.
HDFC Bank Interview
Read preparation tips, rounds, and questions discussed in this interview.
Larsen & Toubro Interview
Read preparation tips, rounds, and questions discussed in this interview.
AI & Productivity Tools
Combine calculators, trackers and summarizers to supercharge your daily workflow.
ROI Calculator
Evaluate the return on your marketing, product, or project investments.
Open tool →Attendance Percentage Calculator
Track attendance performance quickly for classes or teams.
Open tool →Work Hours Tracker
Log and monitor working hours for better time management.
Open tool →Text Summarizer
Summarize long texts into clean, concise overviews in seconds. (Great with your API.)
Open tool →Summarize API
Programmatically summarize long documents or text from your own apps using the /api/summarize endpoint.
- Great for reports, interview notes, and documentation.
- Easy to integrate into internal dashboards & tools.