The Ultimate Kindle Guide: Models, File Support, & Pro Tips

Learn more about Kindle models, supported formats, and how PDF2Go can improve your Kindle reading experience.

If you've been exploring the world of eReaders, chances are you've come across the Amazon Kindle, a global favorite among book lovers. In 2025, Amazon's Kindle lineup offers something for every type of reader, from casual novel fans to tech-savvy note-takers.

This updated guide explains Kindle models, the file types they support, and how PDF2Go can help you get even more from your device.

What Is a Kindle?

The Amazon Kindle is an eReader designed to make reading digital books comfortable and portable. Thanks to E Ink technology, text appears sharp and paper-like, reducing eye strain compared to traditional screens.

With storage for thousands of books in one lightweight device, Kindles are ideal for reading on the go, whether you're commuting, traveling, or relaxing at home.

Kindle Models Compared

Amazon offers several Kindle options, each with its own strengths.

Kindle vs. Kindle Paperwhite

  • Kindle: A great choice for beginners. Lightweight, budget-friendly, 16 GB storage, glare-free screen, and now even available in trendy colors.
  • Paperwhite: Adds premium features like adjustable warm light, waterproofing, and a larger 7-inch screen. The 12th-generation model is 25% faster when turning pages, making it a strong choice for frequent readers.

Kindle vs. Kindle Scribe

  • Kindle: Best for those who just want to read without extra features.
  • Scribe: Combines reading with writing. Includes a Premium Pen for notes, Active Canvas for smooth text flow around annotations, and an AI-powered notebook that can turn notes into bullet points.

Kindle Oasis (Discontinued) vs. Paperwhite

  • Oasis: Previously known for its ergonomic grip, page-turn buttons, and adaptive lighting, but discontinued in 2024.
  • Paperwhite (2025 models): Now matches many Oasis features, including a 7-inch screen and USB-C charging, though it still does not have physical page-turn buttons.

Paperwhite vs. Paperwhite Signature Edition

  • Paperwhite: Waterproof, crisp high-resolution display, and a strong all-rounder.
  • Signature Edition: Adds wireless charging, an auto-adjusting light, and doubles storage to 32 GB, ideal if you want more convenience and space.

Paperwhite Signature Edition vs. Kindle Colorsoft

  • Colorsoft: Kindle's first color screen model , plus all Signature Edition features.
  • Signature Edition: Offers the same premium features but with a traditional monochrome display. Both have 32 GB storage, wireless charging, and adaptive lighting.

Kindle-Supported File Formats

Kindles can open a range of file types, making them versatile for reading and document storage:

Format Support Type
AZW, AZW3, KFX Native (Amazon proprietary)
MOBI, PRC Native (older; MOBI deprecated)
PDF Native (fixed layout)
TXT Native (plain text)
DOC, DOCX, HTML, RTF, Images (JPEG, GIF, PNG, BMP) Supported via Send-to-Kindle conversion
EPUB Not supported natively (requires conversion)
MOBI Fixed-Layout (KDP) No longer accepted in KDP (since Mar 2025)

How PDF2Go Improves Your Kindle Experience

Not every eBook is a PDF, but this versatile format is often the easiest to share and access across different devices. Unlike many other eBook formats, PDFs can be edited directly, making them ideal for customization before loading them onto your Kindle.

With PDF2Go's online platformgives you a full set of tools to optimize your PDFs and enhance your Kindle reading experience, including:

  • Convert to PDF: Turn Word, Excel, PowerPoint, images, or text files into a single, consistent, Kindle-ready PDF with preserved formatting.
  • Compress PDF: Reduce large file sizes to save Kindle storage without noticeable quality loss.
  • Edit PDF: Add annotations, highlights, and images before sending files to your Kindle.
  • Merge & Split PDFs: Combine multiple documents into one eBook-style file, or split large PDFs into smaller, easier-to-read sections.

In Conclusion

Whether you want the simplicity of the basic Kindle, the premium feel of the Paperwhite, or the creativity of the Scribe, 2025 offers a Kindle for every reader. And with PDF2Go, you can make sure your PDF documents are well formatted, lightweight, and ready to read anywhere!