Free KDP Cover Wrap Builder – Print‑Ready PDFs

Authors and self‑publishers need a reliable way to generate KDP cover wraps without complex software. Our free KDP Cover Wrap Builder lets you create print‑ready PDFs directly in the browser, with no signup required.

KDP Cover Wrap Builder

Free KDP cover wrap generator for paperback and hardcover. Upload your front and back cover images, pick the trim size, paper type, and page count, and export a print-ready full-bleed cover wrap PDF with the spine sized to KDP's exact formula. Live dieline preview shows trim, spine‑fold, and barcode keep‑clear guides. No signup, nothing leaves your browser.

Open KDP Cover Wrap Builder — free

Also free: OEE Pulse

Free shop‑floor OEE dashboard for small machine shops. Track Availability × Performance × Quality per machine, view plant‑wide OEE at a glance, log each shift to build trends, and export a shift report.

Open OEE Pulse — free

Also free: Extinguisher Log

Free fire extinguisher monthly inspection log. Add extinguishers once, run the NFPA 10 six‑point visual check every 30 days, and view the whole year.

Open Extinguisher Log — free

Also free: BotWarden

BotWarden provides a live dashboard for Polymarket trading bots. Monitor every trade, track P&L and equity curves in real time with a 10‑second refresh, and explore analytics such as win rate, Sharpe ratio, and drawdown.

Open BotWarden — free

Every app here is built and maintained by QuackBuilds, runs in your browser, and is free with no account. See them all at quackbuilds.com/apps.