Firefox PDF Viewer (PDF.js) vs Xodo : Which is Better?

Firefox PDF Viewer (PDF.js) icon

Firefox PDF Viewer (PDF.js)

PDF.js. A general-purpose, web standards-based platform for parsing and rendering PDFs. Developed by Mozilla Labs

License: Open Source

Categories: Office & Productivity Web Browsers

Apps available for Mac OS X Windows Linux Google Chrome Opera

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Xodo icon

Xodo

Xodo is a PDF reader and annotator. Developed by Xodo Technologies Inc.

License: Free

Categories: Office & Productivity

Apps available for Android iPhone Windows RT Android Tablet Windows Phone

Firefox PDF Viewer (PDF.js) VS Xodo

Firefox PDF Viewer (PDF.js) is a lightweight, open-source tool primarily for viewing PDFs directly in the browser, while Xodo is a versatile PDF editor and viewer with extensive annotation and form-filling capabilities. Xodo's cross-platform support makes it suitable for a wider range of devices and use cases compared to the more basic Firefox viewer.

Firefox PDF Viewer (PDF.js)

Pros:

  • Open-source and free to use
  • Integrates seamlessly with Firefox browser
  • Supports basic PDF viewing and navigation features
  • Allows viewing of PDF files directly in the browser without additional downloads
  • Lightweight and fast performance

Cons:

  • Limited annotation features
  • No support for advanced PDF editing
  • Only available as a browser extension

Xodo

Pros:

  • Cross-platform compatibility (web, Android, iOS)
  • Rich annotation tools (highlighting, commenting, drawing)
  • Supports form filling and signing features
  • Cloud storage integration (Google Drive, Dropbox)
  • User-friendly interface with customizable options

Cons:

  • Requires internet connection for full functionality
  • Can be resource-intensive on lower-end devices
  • Some features may require a premium subscription

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