E-Ink.me — free web-to-EPUB converter (browser-based ebook toolkit)

openminimax · 09-01-2026, 02:47 AM

Hi everyone,

I'm the developer of E-Ink (https://e-ink.me), a free browser-based tool that converts any web page into a clean, well-formatted EPUB in a few seconds — headings, images and links preserved. Great for sending long articles, blog posts or documentation straight to your e-reader (Kindle 2022+ reads EPUB natively; also works with Kobo, PocketBook, Apple Books and any EPUB reader).

Beyond web-to-EPUB it has grown into a small ebook toolkit:

- Markdown preview before export, so you can check the extraction
- Format conversion: EPUB, MOBI, PDF, DOCX, HTML, TXT, RTF, ODT, FB2, CBZ, CBR
- Bilingual ebook translation
- In-browser readers and editors, plus merge/split tools
- A REST API for automation

A free account starts with 10 credits so you can try it out; pay-as-you-go packs are optional. Nothing to install — everything runs in the browser.

I'd genuinely appreciate feedback from this community, especially on the EPUB output quality on your devices. Happy to answer any questions!

openminimax · 09-03-2026, 06:33 AM

Quick update: E-Ink now has a batch mode. On the homepage, switch the input to "Multiple links" and paste a list of URLs (one per line, or space-separated):

- Merged output — all pages become one book (EPUB, PDF, or Markdown). Each article becomes its own chapter with a TOC entry, and the source link is appended at the end of every chapter.
- Separate output — each page is converted individually and you get a ZIP with one file per URL.

Handy for multi-part tutorials, documentation, or bundling a reading list into a single book before sending it to your e-reader. Credits are charged per URL, and if a conversion fails they are refunded automatically.

Feedback welcome — especially on pages where the extraction doesn't come out clean. Those are the cases I want to fix first.

openminimax · Yesterday, 10:58 PM

Quick update for anyone following this thread —

While polishing photo-heavy EPUB output, we kept hitting the same wall: images that look great on a phone turn into muddy blotches the moment they hit real e-ink. The fix is old print-industry tech — tone mapping and dithering — but most dithering tools are either desktop apps or ad-covered converters that want your file uploaded to a server.

So we built a small free tool that runs entirely in the browser:

E-Ink Image Converter → https://e-ink.me/en/tools/eink-image-converter

- Calibrated palettes for real e-paper panels, with several dithering algorithms
- An auto mode that classifies your image (photo / line art / screenshot) and suggests sensible settings
- Side-by-side before/after preview, optional target screen size
- Full-resolution PNG export — no lossy JPEG recompression, since dithered pixels and JPEG famously don't mix (a lesson this forum taught most of us a while ago)
- Everything is processed locally: the file never leaves your browser. No signup, no credits, no watermarks.

The dithering engine itself is open source (epdoptimize, Apache-2.0), if anyone here likes poking at that kind of thing.

If you try it on your device — Kindle, Kobo, BOOX, a DIY e-paper board, anything — I'd genuinely love to hear how the output looks on real hardware. Requests for specific panel palettes are extra welcome; that's the feedback we can't synthesize from datasheets.

09-01-2026, 02:47 AM	#1
openminimax Junior Member Posts: 4 Karma: 10 Join Date: Sep 2026 Device: Kindle Paperwhite	E-Ink.me — free web-to-EPUB converter (browser-based ebook toolkit) Hi everyone, I'm the developer of E-Ink (https://e-ink.me), a free browser-based tool that converts any web page into a clean, well-formatted EPUB in a few seconds — headings, images and links preserved. Great for sending long articles, blog posts or documentation straight to your e-reader (Kindle 2022+ reads EPUB natively; also works with Kobo, PocketBook, Apple Books and any EPUB reader). Beyond web-to-EPUB it has grown into a small ebook toolkit: - Markdown preview before export, so you can check the extraction - Format conversion: EPUB, MOBI, PDF, DOCX, HTML, TXT, RTF, ODT, FB2, CBZ, CBR - Bilingual ebook translation - In-browser readers and editors, plus merge/split tools - A REST API for automation A free account starts with 10 credits so you can try it out; pay-as-you-go packs are optional. Nothing to install — everything runs in the browser. I'd genuinely appreciate feedback from this community, especially on the EPUB output quality on your devices. Happy to answer any questions!

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09-03-2026, 06:33 AM	#2
openminimax Junior Member Posts: 4 Karma: 10 Join Date: Sep 2026 Device: Kindle Paperwhite	Quick update: E-Ink now has a batch mode. On the homepage, switch the input to "Multiple links" and paste a list of URLs (one per line, or space-separated): - Merged output — all pages become one book (EPUB, PDF, or Markdown). Each article becomes its own chapter with a TOC entry, and the source link is appended at the end of every chapter. - Separate output — each page is converted individually and you get a ZIP with one file per URL. Handy for multi-part tutorials, documentation, or bundling a reading list into a single book before sending it to your e-reader. Credits are charged per URL, and if a conversion fails they are refunded automatically. Feedback welcome — especially on pages where the extraction doesn't come out clean. Those are the cases I want to fix first.

Yesterday, 10:58 PM	#3
openminimax Junior Member Posts: 4 Karma: 10 Join Date: Sep 2026 Device: Kindle Paperwhite	Quick update for anyone following this thread — While polishing photo-heavy EPUB output, we kept hitting the same wall: images that look great on a phone turn into muddy blotches the moment they hit real e-ink. The fix is old print-industry tech — tone mapping and dithering — but most dithering tools are either desktop apps or ad-covered converters that want your file uploaded to a server. So we built a small free tool that runs entirely in the browser: E-Ink Image Converter → https://e-ink.me/en/tools/eink-image-converter - Calibrated palettes for real e-paper panels, with several dithering algorithms - An auto mode that classifies your image (photo / line art / screenshot) and suggests sensible settings - Side-by-side before/after preview, optional target screen size - Full-resolution PNG export — no lossy JPEG recompression, since dithered pixels and JPEG famously don't mix (a lesson this forum taught most of us a while ago) - Everything is processed locally: the file never leaves your browser. No signup, no credits, no watermarks. The dithering engine itself is open source (epdoptimize, Apache-2.0), if anyone here likes poking at that kind of thing. If you try it on your device — Kindle, Kobo, BOOX, a DIY e-paper board, anything — I'd genuinely love to hear how the output looks on real hardware. Requests for specific panel palettes are extra welcome; that's the feedback we can't synthesize from datasheets.