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Ereadertoolbar
rop, convert & jailbreak your e-reader —100% in your browser
``` Ereadertoolbar is a free, privacy-first toolbox that lives entirely in your browser. Trim white margins from CBZ/EPUB/ZIP comics in one click, convert between CBZ/EPUB/PDF/KEPUB/MOBI, and grab curated Kindle jailbreak kits, reading fonts, firmware, and KOReader plugins — all from one place. Because everything runs locally via WebAssembly, your files never touch a server. No account, no upload, no tracking. ``` ---
```
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 🙏
```
About Ereadertoolbar on Product Hunt
“rop, convert & jailbreak your e-reader —100% in your browser”
Ereadertoolbar was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #136 on the daily leaderboard. ``` Ereadertoolbar is a free, privacy-first toolbox that lives entirely in your browser. Trim white margins from CBZ/EPUB/ZIP comics in one click, convert between CBZ/EPUB/PDF/KEPUB/MOBI, and grab curated Kindle jailbreak kits, reading fonts, firmware, and KOReader plugins — all from one place. Because everything runs locally via WebAssembly, your files never touch a server. No account, no upload, no tracking. ``` ---
On the analytics side, Ereadertoolbar competes within eBook Reader, Productivity and User Experience — topics that collectively have 1M followers on Product Hunt. The dashboard above tracks how Ereadertoolbar performed against the three products that launched closest to it on the same day.
Who hunted Ereadertoolbar?
Ereadertoolbar was hunted by Kevin90. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Ereadertoolbar including community comment highlights and product details, visit the product overview.
Kevin90