We Build Tools People
Actually Use.
Build App Factory is a precision software studio. We ship 3–4 high-utility B2C micro-SaaS products each year — offline-first, browser-native tools engineered for confidence and speed. No bloat. No fluff. Just tools that work.
Initializing Factory...
Our Live Products
3 Products, Live & Free
Offline-first, browser-native tools. Your files and data never leave your device — secured by architecture, not marketing copy.
ClickPDF
clickpdf.in
A precision-engineered browser PDF toolkit. Every workflow runs locally in WebAssembly and JavaScript — no server, no account, no data exposure.
Tools Available
100
Data Uploaded
0 bytes
Account Required
Never
Cost
Free
Available Tools
Permanently cover and remove confidential text by drawing destructive black boxes.
Password-protect a PDF with AES-256 encryption. Key never leaves browser.
Remove password protection. Password stays local for on-device decryption.
Strip title, author, subject, keywords, and other metadata before sharing.
Convert every page to a raster image so text cannot be copied — runs locally.
Strip embedded JavaScript and interactive scripts by rewriting the PDF locally.
ClickInvoice
clickinvoice.in
A professional invoice generator that runs entirely in your browser. Fill in your details, add line items, and download a polished PDF instantly — 40+ currencies, no account required, completely free.
Currencies Supported
40+
Data Uploaded
0 bytes
Account Required
Never
Cost
Free
Cadence
cadenceapp.in
Your tasks. Your rhythm. Plan boards, schedule on a calendar, and stay on track — all in one focused workspace designed for how you actually work. Clean, structured productivity powered by Clerk and Supabase.
Calendar Views
Day, Week, Month
Data Storage
Supabase Cloud
Authentication
Clerk
Cost & Limits
Free (Up to 3 Boards)
Studio Roadmap
What We're Building Next
The Factory Model
Build App Factory ships 3–4 high-utility B2C micro-SaaS products annually. Each product is offline-first, browser-native, and designed to solve one problem exceptionally well. No subscriptions required for core functionality.
ClickPDF
LIVEBrowser-Native PDF Toolkit
An offline-first utility suite offering PDF conversion, merging, splitting, and more — all within the browser. No uploads, no account.
ClickInvoice
LIVEProfessional Invoices, Zero Friction
A slick, template-driven invoice creator. Generate, preview, and download PDF invoices instantly — 40+ currencies, no account, no subscription, no nonsense. Built with Next.js and deployed on Vercel.
Cadence
LIVEYour tasks. Your rhythm.
A personal productivity workspace combining drag-and-drop Kanban boards, a visual calendar timeline, and focus tools designed for modern work. Powered by Clerk authentication and Supabase.