TrimBound: print-ready books in one click - Sell Project

TrimBound is a complete, working web app that turns book manuscripts into print-ready files for print-on-demand printers. It is finished and tested but has not launched, so it has no customers or revenue yet. WHAT IT DOES Takes Word (.docx), PDF or EPUB files, or a mix, and makes a print-ready interior PDF Builds the cover with exact spine width: back, spine and front, plus ISBN barcode Checks every book against the printer’s rules and gives a clear pass/fail report Page previews and a 3D book preview, plus an EPUB ebook export Printers covered: Lulu, Gelato, Bookvault, Amazon KDP and IngramSpark (paperback and hardcover) Supports Latin, Greek, Cyrillic, Chinese, Japanese and Korean text ALSO INCLUDED User accounts, email sign-up, free watermarked trial books, credits Stripe billing for credit packs and monthly/yearly plans, with team seats Admin tools, refunds handling, help pages, feedback form Optional print-order connections to Lulu, Gelato and Bookvault AI writing help (blurb, keywords, typo check) using the Anthropic API A static landing site with pricing, FAQ and a demo video TECH Python, Flask, SQLite, about 10,800 lines. Includes a handover document with setup steps. HONEST STATUS Built and tested with sandbox and test accounts. A live demo is at app.trimbound.com. A larger competitor exists, and I’m moving to another business. Third-party accounts and API keys are not included; the buyer sets up their own. Good for a developer, agency or author-tools business that wants a head start.