.djvu File Extension

DjVu Document

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What is a .djvu file?

DjVu (pronounced "déjà vu") is a file format primarily designed for storing scanned documents, especially those containing text, photographs, and line art. It excels at compressing high-resolution images into relatively small file sizes, making it ideal for archiving and distributing documents online. DjVu achieves this compression through a combination of techniques, including wavelet-based image compression, separation of text and background layers, and lossy compression for the background and lossless compression for the text. This allows for clear and readable text even at high compression ratios. DjVu is often used for scanned books, manuals, and other documents where image quality and file size are important considerations. It supports features like searchable text, hyperlinks, and annotations, making it a versatile format for document management and distribution. While PDF has become more dominant, DjVu remains a viable option, particularly for older scanned documents or when extremely small file sizes are required.

.djvu File

DjVu Document

Compatible Software Alternatives

Software Compatibility

Windows

  • DjVuLibre
  • WinDjView
  • STDU Viewer
  • Evince
  • Sumatra PDF (with plugin)

macOS

  • DjVuLibre
  • Evince
  • MacDjView
  • Calibre

Linux

  • DjVuLibre
  • Evince
  • Okular
  • Calibre

Mobile

  • DjVu Viewer (Android)
  • EBookDroid (Android)
  • PocketDjVu (Android)
  • DjVu Reader (iOS)

Alternative File Formats

Related Categories

Data Files Archive FilesAudio FilesDocument Files

Frequently Asked Questions About .djvu Files

To open a .djvu file, you need compatible software. Here are some options:

  • DjVuLibre
  • WinDjView
  • DjVu Viewer (Android)

Check the "Software Compatibility" section above for a complete list of programs that can open .djvu files on different operating systems.

To convert a .djvu file to another format, you can:

  1. Use compatible software: Many programs that open .djvu files also allow saving or exporting to different formats. For example, you might try using DjVuLibre or DjVuLibre.
  2. Try online conversion services: Websites like Zamzar, CloudConvert, or Online-Convert can transform files between formats without installing software.
  3. Convert to recommended alternatives: For .djvu files, consider converting to .pdf, .tiff, .cbr for better compatibility.
  4. Specialized conversion tools: Search for ".djvu converter" to find tools specifically designed for this file type.

Note: Converting files may result in some loss of formatting, quality, or functionality depending on the compatibility between formats.

If you're having trouble opening a .djvu file, try these troubleshooting steps:

  1. Verify the file extension is correct: Sometimes files may be incorrectly named. Make sure the file truly is a .djvu file.
  2. Update your software: Ensure you're using the latest version of your chosen program.
  3. Try alternative software: If one program doesn't work, try another from our compatibility list.
  4. Check for file corruption: The file might be damaged. Try to obtain a new copy if possible.
  5. Look for file converters: Converting to a more common format might help.

Like any file type, .djvu files can be safe or potentially risky depending on their source:

  • From trusted sources: Files from reputable websites, colleagues, or friends are generally safe.
  • From unknown sources: Exercise caution with files from unfamiliar websites or emails.

Safety recommendations:

  • Always scan files with antivirus software before opening them
  • Keep your operating system and applications updated
  • Be particularly cautious with executable file types

Common issues with .djvu files include:

  • Compatibility problems: Older or newer versions of software may not fully support certain .djvu files
  • Missing elements: Fonts, media, or other components may not transfer correctly between systems
  • File corruption: Incomplete downloads or transfer errors can damage files
  • Format variations: Different software may implement the .djvu format in slightly different ways

If you're experiencing issues with a specific .djvu file, you might need to:

  • Try opening it with alternative software
  • Ask the file creator to save it in a different format
  • Look for specific patches or updates for your software

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