Convert and send your EPUB files directly to your Kindle device — free, fast and wireless.
Yes — but not directly. Amazon Kindle does not natively support EPUB files. You first need to convert your EPUB to a Kindle-compatible format such as MOBI or AZW3, and then send it to your device.
The good news is that EPUBKit lets you do both steps in one place, completely free. You convert your EPUB file and then send it directly to your Kindle email address with a single click — no software to install, no account required.
EPUBKit is the only free online tool that converts EPUB and sends the file directly to your Kindle in one step. Other tools only convert — you still have to transfer the file manually.
This is the fastest and simplest way to get any EPUB file onto your Kindle. Everything happens online — no cables, no software, no account needed.
Upload your EPUB file to EPUBKit and convert it to AZW3 or MOBI
Enter your Kindle email address and click Send to Kindle
The file appears on your Kindle device within minutes
Amazon only accepts files from email addresses you have previously approved. This is a security measure to protect your Kindle. You only need to do this once.
Once done, go back to EPUBKit and use the Send to Kindle button after converting your file.
If you prefer to do it manually, here are the other common methods:
Convert your EPUB to MOBI or AZW3 with EPUBKit, then attach the file to an email and send it to your Kindle email address from any approved sender.
Connect your Kindle to your computer with a USB cable. Open the Kindle as a drive and copy the converted MOBI or AZW3 file to the documents folder.
Calibre is a free desktop application that converts ebooks and can send them to Kindle. It requires installation and is more complex than EPUBKit but offers more customization options.
Amazon offers a desktop app and a Chrome extension to send documents to Kindle. However it does not support EPUB directly — you still need to convert first.
EPUBKit offers two Kindle-compatible conversion formats. Here is how to choose:
Both formats work perfectly with the Send to Kindle button on EPUBKit. If in doubt, start with AZW3.
Yes, completely free. The conversion and the Send to Kindle feature are both free with no registration required.
Usually between 1 and 5 minutes if your Kindle is connected to Wi-Fi. If your Kindle is offline, the file will appear the next time it connects to the internet.
Amazon uses its own ebook formats (MOBI and AZW3) to maintain compatibility with the Kindle ecosystem. EPUB is the industry standard used by most other devices and platforms. Converting between formats is a standard practice for ebook readers.
Yes, as long as the EPUB file does not have DRM (Digital Rights Management) protection. Free ebooks from sources like Project Gutenberg or Open Library are always DRM-free and work perfectly.
Every Kindle device has a unique email address ending in @kindle.com. You can find yours in your Amazon account under Manage Your Content and Devices → Preferences → Personal Document Settings. Files sent to this address appear wirelessly on your device.