Free tools
From your Obsidian vault to your Kindle, no plugins
Pick several .md notes and get an EPUB with one note per chapter, ready for your Kindle. No plugin to install; your notes stay in your browser.
Download the EPUB
For USB transfer, Calibre, or Amazon's «Send to Kindle» app.
Everything happens in your browser: your notes never touch our server unless you choose to email the book.
How it reaches your Kindle
Approve our sender at Amazon (first time only)
Amazon only delivers documents from senders you have approved, and it discards everything else without telling you — no bounce, no error message. Add this address to your approved list:
send@books.getsapiens.comOpen your Amazon document settings Once there: Preferences → Personal Document Settings → Approved Personal Document E-mail List → Add a new approved e-mail address.
Buy from a different Amazon store? Open the same page on yours — amazon.co.uk, amazon.es, amazon.com.mx and the rest all have it.
Copy your own @kindle.com address
It's on that same Amazon screen, under «Send-to-Kindle E-Mail Settings». Each device has its own, shaped like name_123@kindle.com. This is your Kindle's address, not the email you sign in to Amazon with.
Paste, send, sync
Paste your text above, enter your @kindle.com address and hit send. With your Kindle on wifi, the book lands in your library within a couple of minutes.
Several notes, one book — without installing anything in your vault
The usual route from Obsidian to a Kindle is a community plugin that posts your notes to somebody's backend. This is a page instead: choose the notes, get the book. Each note becomes a chapter titled by its filename, in the order you picked them, and the EPUB is assembled in the tab — your vault is not indexed, not synced, not uploaded, and nothing is added to it.
- Choose as many .md files as you like: the picker takes a multi-selection, and each note becomes one chapter.
- Chapter titles come from the filenames, so the book's contents read the way your vault does.
- Keeps headings, lists, quotes, bold and code. Wikilinks stay as the text they are, and embeds, images and tables are dropped.
- Works with any folder of Markdown, not only Obsidian: Logseq, Bear, iA Writer, a git repo of notes.
- No plugin, no vault access, no account — and the notes never leave the tab unless you email the book.
Obsidian to Kindle without a plugin
How do I pick notes out of my vault?
Click the file button and navigate to your vault — it is an ordinary folder of .md files. Select several with Cmd/Ctrl-click or Shift-click, or drag them onto the page.
In what order do the chapters come out?
The order the picker hands them over, which is normally alphabetical by filename. Prefix names with 01-, 02- if you want a particular reading order.
What happens to wikilinks, embeds and tags?
They come through as the text they are: a wikilink stays visible as text, an embed does not pull in the file it points at, and tags are just words. Images and tables are dropped.
Does it read my whole vault?
No. It only ever sees the files you pick, inside the browser. There is no vault access, no sync, and nothing installed.
Can I send a month of daily notes as one book?
That is the good use of it: select the dailies, get a book, and read your own month back on the device.
Like the tools? Wait until it writes you a course.
These are free because they're the easy part. The product turns a topic into a course you'd actually read — and sends it to the same Kindle.
More free tools
Send anything to your Kindle, turned into a book
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Your PDFs on your Kindle, as books rather than photographs of pages
Upload a PDF and get an EPUB with reflowable text and real chapters, so the type resizes and the page turns. Download it, or send it straight to your Kindle.
Kindle to PDF: the honest answer, and what to do instead
Wanting a Kindle book as a PDF turns out to mean five quite different things. One of them is genuinely impossible. The other four take about a minute — find yours below.
Export your Kindle highlights, organized by book
Upload My Clippings.txt and get your highlights and notes organized by book — Markdown for Obsidian, CSV for Excel, or a Notion import. Nothing is uploaded.
Turn your Kindle vocabulary into Anki flashcards
Turn your Kindle's vocab.db into Anki flashcards that keep each word's original sentence, or into a clean CSV. It all runs in your browser.
Turn your ChatGPT conversations into a book for your Kindle
Paste a ChatGPT, Claude or Gemini conversation and get an EPUB with one chapter per question. Download it, or send it straight to your Kindle.
Your Deep Research reports, on your Kindle instead of a browser tab
Turn a Deep Research report (ChatGPT, Gemini, Claude) into an EPUB with chapters and a table of contents. Paste the Markdown or upload the .docx.
Take your Notion pages to your Kindle, turned into a book
Upload your Notion export ZIP and get an EPUB with one page per chapter. Download it, or send it straight to your Kindle. The ZIP stays in your browser.
Word counter, with characters, sentences and reading time
Count words, characters and sentences as you type, and see how long the text takes to read. Everything runs locally — your text never leaves the browser.
Slug generator, for URLs that read like their title
Turn any title into a clean, URL-safe slug — lowercase, hyphens, accents folded away. Copy it with one click.