Create professional multi-country invoices with logo, custom colors, GST/VAT/sales-tax fields, and PDF download — India, US, UK, CA, AU, SG, UAE, and EU.

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Free · No signup

Loan Foreclosure Calculator

Calculate savings from early loan closure — full prepayment vs extra EMI per year, including bank foreclosure charges.

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PDF Merge

Combine multiple PDF files into one document — drag, drop, merge.

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Free · No signup

PDF Split

Split a PDF into separate files — one PDF per page.

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Free · No signup

PDF Compressor

Reduce PDF file size by recompressing pages as JPEG — scans and photo PDFs shrink the most.

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Free · No signup

Text to PDF Converter

Paste text or upload a .txt file and download a clean PDF — browser-based, no Word install.

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PDF Page Extractor

Extract specific pages from a PDF by page range.

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PDF Page Remover

Delete unwanted pages from a PDF document.

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PDF Page Reorder

Rearrange PDF pages with up/down controls, then download the reordered document.

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PDF to Text

Extract selectable text from a PDF in your browser — copy or download a .txt file.

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Profit Margin Calculator

Calculate gross, operating, and net profit margins from revenue and costs.

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ROI Calculator

Calculate return on investment percentage and net gain from any campaign or project.

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Break-even Calculator

Find break-even units and revenue for your product or service.

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QR Code Generator

Create custom QR codes with logo, colors, and PNG/SVG/JPG download.

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Rent vs Buy Calculator

Compare renting vs buying a home over your time horizon with EMI, down payment, and appreciation.

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Excel to CSV Converter

Convert .xlsx and .xls workbooks to CSV per sheet in your browser.

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Burn Rate & Runway Calculator

Calculate gross/net burn, runway months, cash-out date, and default-alive with optional revenue growth.

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Freelancer Hourly Rate Calculator

Back into an hourly rate from desired salary, taxes, benefits, and billable hours.

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A/B Test Significance Calculator

Two-proportion z-test for A/B conversions plus sample size planner for MDE at 80% power.

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CTC to In-Hand Salary Calculator

Estimate monthly in-hand salary from CTC with PF, gratuity, HRA exemption, and new vs old tax regime comparison.

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TDS Calculator India

Estimate TDS on professional fees (194J), contractors (194C), rent (194I), and PAN vs no-PAN rates.

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HRA Exemption Calculator

Calculate HRA tax exemption under Section 10(13A) — least of HRA received, rent minus 10% basic, or 40%/50% of basic.

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Gratuity Calculator India

Estimate gratuity amount for private sector employees using (15 × last drawn salary × years) / 26 formula.

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HSN / SAC Code Finder

Search common HSN and SAC GST codes with descriptions and indicative GST rates.

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IFSC Code Finder

Look up sample IFSC codes by bank name, branch, or city for NEFT, RTGS, and IMPS transfers.

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LIC Maturity Calculator

Pick an LIC plan (Jeevan Labh, New Jeevan Anand, New Endowment, money-back & more) — term/PPT and illustrative bonus bands drive the maturity estimate.

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PF Calculator

Project EPF / PF corpus with existing balance, monthly contributions, annual salary hike, and PF interest rate.

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PPF Calculator

Project Public Provident Fund maturity with yearly deposits, 15-year tenure, and compound interest — India PPF planner.

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Home Loan vs Mutual Fund

Compare buying a house on a home loan, renting it out, and paying EMI plus costs versus investing the same monthly cash in a mutual fund SIP.

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Resume Builder

Build a clean, ATS-friendly resume with your details, then print or download a PDF in minutes.

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PDF Signer

Sign a PDF in your browser — type a name or draw a signature, stamp it on the last page, and download.

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Revenue Cloud Pricing Calculator

Model CPQ pricing: list price, discounts, quantity breaks, and net price.

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Home Loan vs Mutual Fund

Compare buying a house on a home loan, renting it out, and paying EMI plus costs versus investing the same monthly cash in a mutual fund SIP.

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Free · No signup

LIC Maturity Calculator

Pick an LIC plan (Jeevan Labh, New Jeevan Anand, New Endowment, money-back & more) — term/PPT and illustrative bonus bands drive the maturity estimate.

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Free · No signup

PF Calculator

Project EPF / PF corpus with existing balance, monthly contributions, annual salary hike, and PF interest rate.

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SWP Calculator

Model systematic withdrawals with inflation, multiple LIC maturity top-ups, and PF balance for real-world retirement income planning.

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CTC to In-Hand Salary Calculator

Estimate monthly in-hand salary from CTC with PF, gratuity, HRA exemption, and new vs old tax regime comparison.

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Invoice Generator

Create professional multi-country invoices with logo, custom colors, GST/VAT/sales-tax fields, and PDF download — India, US, UK, CA, AU, SG, UAE, and EU.

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Business tools on Ranburg.com support founders, finance teams, freelancers, and operations professionals with calculators and utilities that simplify everyday decisions. Convert currencies with live ECB reference rates, calculate India GST inclusive and exclusive amounts, merge PDF documents client-side, or model SaaS metrics like LTV and CAC — without spreadsheets or paid SaaS subscriptions.

Our business toolkit emphasizes accuracy and transparency. Financial calculators display formulas and assumptions so you understand every output. GST tools support standard India tax slabs with CGST/SGST splits for intra-state transactions. PDF utilities process files locally, keeping contracts and invoices private on your machine.

Whether you are preparing investor updates, quoting international clients, or estimating creator revenue, these tools deliver fast answers you can screenshot, export, or discuss in meetings. Each page includes detailed SEO content, FAQs, and links to related calculators so you can explore the full Ranburg toolkit in one session.

Ranburg publishes free business tools based on real search demand. Business tools remain free forever as part of our commitment to useful, discoverable web utilities.

Frequently Asked Questions

Are business calculators accurate?

Calculators use standard formulas documented on each page. Financial outputs are estimates, not professional tax or investment advice.

Is GST calculated for India only?

Yes. The GST calculator supports India CGST/SGST slabs at 5%, 12%, 18%, and 28%.

Are PDF files uploaded to Ranburg?

No. PDF merge and extract tools run entirely in your browser.

Can I use these for my company?

Yes. Commercial use of tool outputs is permitted.

Are Ranburg business tools free?

Yes. All business tools on Ranburg are free to use with no signup required.

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