A developer-grade spreadsheet engine for Indian freelancers, agencies, and independent creators. Auto-calculate tax splits, generate branded PDFs, send emails, and export audit-ready GSTR-1 JSON.
Experience the exact place-of-supply logic and Section 44ADA presumptive earnings modeled by the Apps Script engine.
Under Section 44ADA, professionals can declare 50% of gross revenue as taxable profit without maintaining complex expense books.
Click through the tabs below to see how data flows from invoice issuance to log, dashboard, and government offline tool exports.
Replaces bloated monthly software with a private, perpetual Google Sheet workflow you completely own.
Validates client data, auto-increments the invoice numbering sequence, calculates applicable tax splits, and logs the row in a single atomic transaction.
Compiles unreported invoice rows into a structured B2B JSON file ready for audit and the government GST Offline Utility.
Merges invoice records into a cleanly formatted template and saves a professional PDF directly to your Google Drive.
Sends the generated PDF directly to the client's email using your authorized Google Workspace account.
Built-in Luhn mod-36 checksum algorithm verifies 15-digit GSTIN formats before logging invoices.
Real-time financial dashboard calculates presumptive taxable earnings (50% rule) and monitors quarterly turnover thresholds. Designed for Indian professionals under the presumptive taxation scheme.
Veyo (veyo.shop) builds developer-grade micro-operating systems for Indian independent professionals, consultants, and engineers. IndieOS was created out of frustration with expensive, clunky subscription invoicing tools that lock away your data. Every calculation runs transparently in your personal Google Sheet, giving you 100% control, privacy, and speed.
Everything you need to automate freelance invoicing for an entire financial year.
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