``` Hi Product Hunt 👋 I'm [Your name], the maker of Ereadertoolbar. The problem: manga and e-book fans spend too much time fighting white margins, mismatched formats, and half-broken Kindle setups — and most "online" tools ask you to upload your files to a server you don't control. Why I built this: I wanted a toolbox that just works in the browser, respects privacy, and covers the whole e-reader workflow in one place. What makes Ereadertoolbar different: 🔒 100% in-browser (WebAssembly) — your files never upload, no account needed ✂️ Crop-only mode = zero resolution loss; smarter than KCC/KOReader at handling uneven cover vs. interior margins 🔄 Convert CBZ/EPUB/PDF/KEPUB/MOBI while keeping reading order and metadata 📚 Curated Kindle resources: jailbreak kits, reading-optimized fonts, firmware archive, KOReader plugins 📦 Batch a whole archive and download everything as a single ZIP It's free, has no ads, and needs no login. Try it: [link] I'll be here all day — happy to answer anything about the WASM pipeline, the cropping logic, or Kindle jailbreaking. Feedback and roasts both welcome 🙏 ```

Ereadertoolbar

rop, convert & jailbreak your e-reader —100% in your browser

rop, convert & jailbreak your e-reader —100% in your browser