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Crypto Price Predictor Crypto Trend Analyzer Free AI NFT Generator Fear & Greed Index Crypto Profit Calculator Crypto Tax Calculator Crypto Passwords
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Background Remover Image Compressor Image Converter Watermark Remover
Free Utilities
Secure Password Free PDF Converter QR Code Generator Base64 Encoder Text Case Converter Unit Converter Time Zone Converter Random Number UUID Generator Invoice Generator Receipt Generator Purchase Order Sales Order
Calculators
Scientific Calculator Standard Calculator Percentage Calculator Age Calculator CAC Calculator Burn Rate Calculator GST Calculator EMI Calculator
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Trusted by 10,000+ Users

STORYBRAIN AI TOOLS SUITE

Accelerate your workflow with an ecosystem of free online tools and calculators. Privacy-first, no login required. Built for speed and flawless execution right in your browser.

Pro Utilities

API Tester

Send REST requests and test APIs instantly from your browser.

Keyword Data Analyzer

Analyze keyword density ratios, cluster search terms, and identify keyword stuffing warnings.

Secure Password Generator

Generate highly secure, random passwords to protect your accounts.

Free PDF Converter

Convert to and from PDF format easily with our free online tool.

QR Code Generator

Create custom, high-quality QR codes for links, text, and more.

Base64 Encoder / Decoder

Quickly encode or decode text and files using Base64 format.

Text Case Converter

Convert your text to uppercase, lowercase, camelCase, and more.

Unit Converter

Convert between various units of length, weight, temperature, and more.

Time Zone Converter

Convert time across global cities and visualize business hours overlap.

Random Number Generator

Generate secure, true random numbers with customizable ranges and lists.

UUID / GUID Generator

Generate bulk Version 1 and Version 4 UUIDs (Universally Unique Identifiers).

Free Invoice Generator

Create, customize, and download professional PDF invoices instantly.

Receipt Generator

Generate professional thermal-style POS receipts for your business.

Purchase Order Generator

Create, customize, and download professional PDF purchase orders.

Sales Order Generator

Create, customize, and download professional PDF sales orders.

Work Order Generator

Create, customize, and download professional PDF work orders for service jobs.

Service Order Generator

Create, customize, and download professional PDF service orders for IT and repairs.

Free Resume Builder

Create professional, high-quality resumes instantly with our free builder.

Free Resume Analyzer

Get an instant ATS score and optimize your resume for recruiters.

Task Manager & Kanban

Organize projects visually with our free, private drag-and-drop Kanban board.

Free Time Tracker

Track your work hours easily, calculate billable earnings, and export timesheets.

Free Online Notepad

Write, save, and organize your notes securely in your browser.

Job Card Generator

Create, customize, and download professional PDF job cards for mechanics and garages.

Sitemap Generator

Convert lists of URLs into professional, SEO-optimized XML sitemaps instantly.

Robots.txt Generator

Create professional robots.txt files to instantly control search engine crawlers.

Meta Tag Generator

Generate perfect SEO meta tags and social preview cards instantly.

Open Graph Generator

Build perfect Open Graph tags and preview Facebook/LinkedIn link cards.

Schema Generator

Generate perfect JSON-LD schema markup for Rich Snippets instantly.

Mathematics

Scientific Calculator

Solve complex math problems with our free online scientific calculator.

Standard Calculator

A simple, fast, and free online calculator for daily math.

Percentage Calculator

Easily calculate percentages, margins, and growth for free.

Age Calculator

Calculate your exact age in years, months, and days instantly.

Love Calculator

Calculate romantic compatibility and name matching percentages instantly.

Profit Margin

Calculate gross profit, margin, and markup instantly for business.

GST Calculator

Easily calculate inclusive and exclusive GST for your invoices.

EMI Calculator

Calculate your monthly loan EMI and view full amortization schedule.

Date Calculator

Find the difference between dates or add/subtract time instantly.

SIP Calculator

Calculate mutual fund SIP returns with step-up features instantly.

Salary Calculator

Calculate your exact take-home net pay after taxes and deductions.

Expense Tracker

Set a monthly budget, track your spending, and avoid overspending.

YouTube Income

Estimate YouTube AdSense revenue and calculate hidden sponsor money.

AdSense Calculator

Calculate exact website AdSense earnings and find out how much you lose to AdBlockers.

Instagram Income

Find your True Engagement Score and calculate how much to charge brands for posts.

Global Freight

Calculate global shipping distances, true transit time (HOS), fuel costs, & E-way bills.

Compound Growth

Calculate your wealth growth, adjust for inflation, and find your retirement passive income.

SaaS MRR Growth

Calculate Net MRR, LTV:CAC ratio, and get an instant ARR startup valuation.

CAC Calculator

Calculate Blended vs Paid CAC instantly. Track LTV to CAC ratios and payback period.

Burn Rate Calculator

Calculate your cash runway. Find out if your startup is Default Alive or Default Dead.

FD Calculator

Calculate exact FD maturity, auto-add senior citizen rates, and check your bank TDS tax.

Debt Snowball

Calculate your exact debt-free date. Compare Snowball vs Avalanche payoff methods instantly.

Credit Score Fixer

Calculate your credit card utilization ratio. Learn how to drop it below 30% fast.

Mortgage Payoff Tool

Calculate exactly how many years you can shave off your home loan by making extra payments.

Loan Affordability Tool

Find out exactly how much money the bank will lend you, and calculate your true Safe Limit.