The latest articles on DEV Community by Okok (@okokwtf). https://dev.to/okokwtf https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fthepracticaldev.s3.amazonaws.com%2Fi%2F99mvlsfu5tfj9m7ku25d.png https://dev.to/okokwtf en Okok Sun, 08 Nov 2026 02:54:37 +0000 https://dev.to/okokwtf/i-built-an-in-browser-zero-login-watermark-free-pdf-invoice-generator-1j7e https://dev.to/okokwtf/i-built-an-in-browser-zero-login-watermark-free-pdf-invoice-generator-1j7e <p>Like many developers and freelancers, I got frustrated with online invoicing tools. </p> <p>What should be a 30-second task—creating and downloading a basic commercial invoice—has been ruined by:</p> <ul> <li>Mandatory account creation and email harvesting</li> <li>Paywalls and expensive monthly subscriptions ($15–$35/month)</li> <li>"Free tiers" that slap ugly third-party watermarks onto your client PDFs</li> <li>Unnecessary cloud storage of confidential client details and banking records</li> </ul> <p>To fix this, I built <strong><a href="https://tryfreeinvoice.com/" rel="noopener noreferrer">tryfreeinvoice.com</a></strong>.</p> <h3> 🛠️ How It Works (100% In-Browser Privacy) </h3> <p>Instead of relying on a centralized database, tryfreeinvoice runs entirely inside your browser:</p> <ul> <li> <strong>No Sign-Up / No Login</strong>: Start drafting immediately without creating an account.</li> <li> <strong>Zero Watermarks</strong>: Every exported PDF is crisp, unbranded vector text.</li> <li> <strong>Client-Side Privacy</strong>: All calculations, draft saving (localStorage), and PDF rendering execute locally using Web Crypto and jsPDF. Your client names, rates, and bank details never touch a server.</li> <li> <strong>Smart 1-Page Auto-Fit</strong>: An intelligent sizing engine that condenses row margins and padding so multi-item invoices fit cleanly on a single page without awkward page breaks.</li> </ul> <h3> 🌍 Multi-Country Compliance Built-In </h3> <p>It includes localized tax engines for:</p> <ul> <li>🇺🇸 <strong>United States</strong>: State/local sales tax, W-9/1099 compliance hints, ACH wire remittance.</li> <li>🇬🇧 <strong>United Kingdom</strong>: HMRC VAT invoice rules and CIS subcontractor deductions.</li> <li>🇨🇦 <strong>Canada</strong>: CRA Business Number, GST/HST/PST/QST provincial breakdowns.</li> <li>🇦🇺 <strong>Australia</strong>: ATO Tax Invoice formatting, ABN, and BSB details.</li> <li>🇮🇳 <strong>India</strong>: CGST, SGST, IGST intra/inter-state logic, HSN/SAC codes, and dynamic UPI QR codes.</li> </ul> <p>Check it out live at <strong><a href="https://tryfreeinvoice.com/" rel="noopener noreferrer">tryfreeinvoice.com</a></strong> and let me know your feedback!</p> webdev javascript showdev productivity