Free Business Document Tools Online
Generate professional invoices, contracts, salary slips, offer letters, NOC certificates, and more — all free, all in your browser.
19 Tools
Invoice Generator
Create professional invoices with auto-calculations.
Most Popular
Freelance Contract
Generate freelance work contracts with key terms.
Business
Salary Slip Generator
Create salary slips with deductions and allowances.
Business
Business Proposal
Generate professional business proposals.
Business
Offer Letter Generator
Create job offer letters with terms and conditions.
Business
NOC Generator
Generate No Objection Certificates for various purposes.
Business
Experience Letter
Create work experience certificates for employees.
Business
Profit Calculator
Calculate profit margins, markup, and net profit.
Business
Receipt Generator
Generate payment receipts with auto-numbering.
Business
Rent Receipt Generator
Generate rent receipts for HRA tax exemption claims.
Business
Relieving Letter
Generate relieving letters for employees leaving.
Business
Payslip Generator Pro
Advanced payslip generator with deductions and allowances.
Business
Fee Receipt
Generate fee receipts for schools and colleges.
Business
Quotation Generator
Generate business quotations with itemized pricing.
Business
Purchase Order
Generate purchase orders for vendors.
Business
Delivery Challan
Generate delivery challans for shipments.
Business
Cash Voucher
Generate cash and payment vouchers.
Business
Proforma Invoice
Generate proforma invoices for clients.
Business
NDA Generator
Generate Non-Disclosure Agreements for business.
Business
Experience Letter Pro
Advanced experience letter generator with achievements.
Business
About Business Document Tools
OptiDrop's business document tools help freelancers, small business owners, HR professionals, and employees create professional business documents instantly. Generate invoices with multi-currency support, create freelance contracts with NDA clauses, produce salary slips with automatic calculations, and more.
Every document is generated in your browser using jsPDF. No data is uploaded to any server, ensuring complete confidentiality of your business information.
Frequently Asked Questions
The templates are professional starting points. We recommend having any legally binding document reviewed by a qualified professional before use.
No. All downloaded PDFs are clean with no watermarks or OptiDrop branding. You can use them as-is for professional purposes.
Yes. You can fill in all fields with your specific information. The generated documents reflect the exact details you provide.
No. All processing happens in your browser. Your business information, client details, and financial data never leave your device.
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Last updated: June 2026