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content/blog/tokindle.md

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+---
+title: "PDF To Kindle"
+date: 2020-06-14T21:54:21-04:00
+draft: false
+tags: []
+---
+
+This post will outline a process I take in order to get content from a website onto my Kindle.
+
+## Suggested Software
+
+- To save a webpage as a PDF, we will use [WeasyPrint](https://weasyprint.org/).
+- To convert the PDF into a more Kindle readable format, including converting math type properly, we're going to use [k2pdfopt](https://www.willus.com/k2pdfopt/).
+- Finally we're going to use [Calibre](https://calibre-ebook.com/) to copy metadata and convert to an ebook format.
+
+```bash
+sudo apt install weasyprint k2pdfopt calibre
+```
+
+## Process
+
+Now I'll show how we can take the [Noise Protocol specification](http://noiseprotocol.org/noise.html) and send it to the Kindle.
+
+First let's download the page as a PDF
+
+```bash
+weasyprint https://noiseprotocol.org/noise.html noise.pdf
+```
+
+Then let's use `k2pdfopt` to convert the PDF to a more Kindle friendly format,
+
+```bash
+k2pdfopt noise.pdf -ui- -x
+```
+
+This will produce the file `noise_k2opt.pdf`, but sadly without the metadata. We can copy that over,
+
+```bash
+ebook-meta noise.pdf --to-opf temp.opf && \
+ebook-meta noise_k2opt.pdf --from-opf temp.opf && \
+rm temp.opf
+```
+
+Finally we can convert it to a Kindle friendly file format.
+
+```bash
+ebook-convert noise_k2opt.pdf noise.azw3
+```
+
+This will give us `noise.azw3` which we can then transfer over to the Kindle.