CalcuOnline
🏢 Business & Enterprise Suite

Free Business Tools & Document Generators

Generate GST invoices, salary slips, receipts, and resumes with instant PDF export, and run SaaS, lease, and ROI calculations — all client-side, so your business numbers never touch a server.

100% Client-Side — Zero Data Uploaded
14
Free tools
0
Files uploaded
PDF
Instant export
100%
In your browser
🏦

Business Loan Amortization

Monthly payment, total interest, and a full amortization schedule for a business loan.

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📈

SaaS LTV Calculator

Customer lifetime value from ARPU, gross margin, and churn rate.

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💳

Merchant Processing Fee Calculator

True cost of card processing fees, and the payout after fees are deducted.

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🧾

Payroll Tax Calculator

Employer-side payroll tax burden per employee — FICA, FUTA, and SUTA.

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🏢

Cap Rate Calculator

Capitalization rate and valuation from net operating income.

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⚖️

Lease vs Buy Calculator

Compare the total cost of leasing equipment against financing a purchase.

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🚚

Freight Class Calculator

Estimate NMFC freight class from shipment weight and dimensions.

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💡

Software ROI Calculator

Payback period and return on investment for a new software purchase.

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🧾

GST Invoice Generator

Build a GST tax invoice with line items and HSN/SAC codes — CGST/SGST or IGST split automatically.

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💼

Salary Slip Generator

Turn a CTC figure into a monthly payslip — Basic, HRA, PF, professional tax, and TDS.

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🧾

Receipt Maker

Fill in payer, amount, and payment mode — get a clean receipt with the amount spelled out.

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QR Code Generator

Turn a link, UPI ID, Wi-Fi network, or WhatsApp number into a scannable QR code.

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📄

Resume Builder

Build a clean, ATS-friendly resume with a live preview and PDF download.

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📜

Legal Document Generator

Generate a rental agreement or NDA from a simple form, with PDF export.

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Document generators

Create GST-compliant paperwork in minutes

DocumentWhat it covers
GST Invoice GeneratorLine items, HSN codes, CGST/SGST/IGST split, PDF export
Salary Slip GeneratorCTC breakdown, PF/ESI, new-regime TDS
Receipt MakerSimple payment receipts with PDF export
Resume BuilderATS-friendly single-page resumes
Legal Document GeneratorRent agreement and NDA templates
Why it's private

Your business data stays on your device

Invoices, salary details, and client data are confidential by nature. Every generator on this page builds its PDF locally in your browser tab — nothing is sent to a server, logged, or stored, before or after you download the file.