Business Tools
Invoice Generator
Create printable invoices with line items, tax, notes, and live totals.
Use toolKarav Tools
Free Business Tools That Help You Work Faster
Create invoices, calculate profit margins, build UTM links, generate QR codes, compress images, count words, and handle everyday business tasks without signup.
No login. No setup. No friction. Open a tool, enter your details, and get a clean result you can copy, download, print, or use right away.
Press Enter to open search, or use Ctrl+K / Cmd+K anywhere.
Free tools
No signup
Mobile-friendly
Browser-based
Business-focused
Popular tools
Used for everyday business work
Open a tool, enter your details, and get a result instantly.
Finance Tools
Profit Margin Calculator
Calculate profit, margin percentage, and markup from revenue and cost.
Use toolMarketing Tools
QR Code Generator
Create QR codes for URLs, text, email, phone, Wi-Fi, and SMS.
Use toolDeveloper Tools
Password Generator
Generate one or more strong random passwords locally in your browser.
Use toolSEO Tools
Word Counter
Count words, characters, paragraphs, reading time, and keyword density.
Use toolMarketing Tools
UTM Builder
Build Google Analytics campaign URLs with source, medium, campaign, term, and content.
Use toolBrowse by task
Start with the job you need done
Create an invoice
Invoice Generator
Calculate profit
Profit Margin Calculator
Plan a budget
Budget Planner
Generate a QR code
QR Code Generator
Track a campaign
UTM Builder
Compress an image
Image Compressor
Write better content
Word Counter
Secure a password
Password Generator
Clean HTML
HTML Minifier
Build meta tags
Meta Tag Generator
Categories
Browse by category
Finance
Finance Tools
Calculators for profit, loans, tax, ROI, salary, budgets, and pricing.
10 tools
- Invoice Generator
- Profit Margin Calculator
- Break-Even Calculator
- Loan EMI Calculator
- Discount Calculator
Business
Business Tools
Invoicing, naming, planning, QR codes, and practical operating tools.
5 tools
- Business Name Generator
- Invoice Generator
- Budget Planner
- QR Code Generator
- Link Shortener
Marketing
Marketing Tools
Campaign links, QR codes, short links, meta tags, and content helpers.
5 tools
- UTM Builder
- QR Code Generator
- Link Shortener
- Meta Tag Generator
- Word Counter
SEO
SEO Tools
Meta tags, word counts, content formatting, and lightweight optimization tools.
5 tools
- Meta Tag Generator
- Word Counter
- Case Converter
- HTML Minifier
- UTM Builder
Developer
Developer Tools
Browser-based helpers for code, passwords, QR codes, and page metadata.
5 tools
- HTML Minifier
- Password Generator
- Case Converter
- QR Code Generator
- Meta Tag Generator
Productivity
Productivity Tools
Fast helpers for writing, planning, formatting, and everyday work.
5 tools
- Word Counter
- Case Converter
- Budget Planner
- Link Shortener
- Password Generator
Featured workflows
Connect tools into useful business workflows
Launch a campaign
Prepare a client invoice
Plan business pricing
Optimize website content
Guides
Latest practical guides
How to Create a Professional Invoice Online
Create clean invoices with the details clients need before they pay.
Read moreProfit Margin vs Markup Explained
Understand how margin and markup change pricing, profit, and break-even decisions.
Read moreBreak-Even Point Explained for Small Businesses
Learn how fixed costs, variable costs, and price determine the sales needed to stop losing money.
Read moreHow to Use UTM Parameters Correctly
Build cleaner campaign links for analytics reporting without confusing your traffic data.
Read moreQR Code Best Practices for Businesses
Make QR codes readable, scannable, and useful on business cards, flyers, menus, and campaigns.
Read moreHow to Compress Images Before Uploading to a Website
Reduce image weight before publishing so pages load faster without looking careless.
Read moreWhy Karav Tools
Built for useful results, not friction
Free and instant
Every tool is free and works without an account.
Mobile-friendly
Layouts are designed for phones, tablets, and desktops.
Business-focused
Tools are built around real business tasks, not toy demos.
Fast and clean
Lightweight pages, clear inputs, and no clutter in the way.
FAQ
Frequently asked questions
Are these tools free?
Yes. Every tool on Karav Tools is completely free to use with no subscription, trial, or hidden fee.
Do I need to create an account?
No. All tools work instantly without login or signup.
Are the tools mobile-friendly?
Yes. Every tool is responsive and optimized for mobile, tablet, and desktop screens.
How accurate are the calculators?
The calculators use standard formulas and are designed for guidance. Consult a qualified professional for critical decisions.
Can I request a new tool?
Yes. Use the Contact page to suggest a tool and we will consider it for a future update.