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PDF.js

Summary

PDF.js is a JavaScript library that renders Portable Document Format (PDF) files using the web standards-compliant HTML5 Canvas. The project is led by the Mozilla Corporation after Andreas Gal launched it (initially as an experiment) in 2011.

PDF.js
Original author(s)Andreas Gal
Developer(s)Mozilla
Initial release2 July 2011 (2011-07-02)[1]
Stable release
4.1.392[2] Edit this on Wikidata / April 11, 2024; 12 days ago (April 11, 2024)
Repository
  • github.com/mozilla/pdf.js Edit this at Wikidata
Written inJavaScript, CSS, HTML
PlatformJavaScript engine, web browser
Size3.94 MB[1]
TypePDF viewer
LicenseApache License 2.0[3]
Websitemozilla.github.io/pdf.js/

History and application edit

PDF.js was originally created as an extension for Firefox[4] and is included in Firefox since 2012 (version 15),[5][6] and enabled by default since 2013 (version 19).[7][8] It was added to Firefox for Android in 2023 (version 111).[9]

The project was created to provide a way for viewing PDF documents natively in the web browser, which prevents potential security risks when opening PDF documents outside a browser, as the code for displaying the document is sandboxed in a browser.[10] Its implementation uses the Canvas element from HTML5, which allows for fast rendering speeds.[10]

PDF.js is also used in Thunderbird,[11] ownCloud,[12] Nextcloud,[13][14] and is available as a browser extension for Google Chrome/Chromium,[15] Pale Moon[16][17] and SeaMonkey.[17][18]

It can be integrated or embedded in a web or native application to enable PDF rendering and viewing, and allows advanced usages such as Server-side rendering.

Many web applications, including Dropbox,[19] Slack,[20] and LinkedIn Learning[21] integrate PDF.js to enable previewing PDF documents.

Behavior edit

According to a benchmark by Mozilla, PDF.js is performant for viewing most common PDF files, while it may have some issues with large or 'graphics-heavy' documents.[22]

PDF.js supports most of the PDF specifications (including form support or XFA[23]), but some features have not been implemented yet, which may impact rendering behavior depending on the features the document uses.[24]

Several PDF/X or optional PDF features that are not supported in PDF.js include:

The PDF.js contributor community also notes that the browser behavior of PDF.js varies with browser support for PDF.js's required features.[28] Performance and reliability will be the best on Chrome and Firefox, which are fully supported and subject to automated testing.

See also edit

References edit

  1. ^ a b "Releases · mozilla/pdf.js". GitHub. Retrieved 12 March 2021.
  2. ^ "Release 4.1.392". 11 April 2024. Retrieved 23 April 2024.
  3. ^ "pdf.js/LICENSE at master · mozilla/pdf.js". GitHub. 17 February 2022.
  4. ^ "PDF Viewer(discontinued)". addons.mozilla.org. Archived from the original on 5 December 2015. Retrieved 2 December 2015.
  5. ^ Parfeni, Lucian (30 April 2012). "PDF.JS and Download Manager Panel Pushed to Firefox 15". Softpedia. SoftNews.
  6. ^ Blagoveschenskiy, Anton (29 August 2012). "Вышла новая версия браузера Firefox 15" [New version 15 of the Firefox browser released]. Rossiyskaya Gazeta (in Russian). Retrieved 9 September 2012.
  7. ^ "Bug 773397 – Disable pdf.js prior to FF15 beta 5". bugzilla.mozilla.org.
  8. ^ "Firefox 19.0 Release Notes". mozilla.org. Retrieved 30 April 2013.
  9. ^ "Firefox for Android 111.0, See All New Features, Updates and Fixes". www.mozilla.org. Retrieved 19 April 2024.
  10. ^ a b Shankland, Stephen (24 June 2011). "Mozilla eyes hassle-free PDFs on the Web". CNET. Retrieved 24 May 2022.
  11. ^ "810815 - Integrate pdf.js to Thunderbird". bugzilla.mozilla.org. Retrieved 28 January 2022.
  12. ^ owncloud/files_pdfviewer, ownCloud, 8 February 2020, retrieved 28 March 2020
  13. ^ nextcloud/files_pdfviewer, Nextcloud, 18 March 2020, retrieved 28 March 2020
  14. ^ "PDF viewer - Apps - App Store - Nextcloud". apps.nextcloud.com. Retrieved 28 March 2020.
  15. ^ "PDF Viewer". Chrome Web Store.
  16. ^ "Add-ons - Moon PDF Viewer". Pale Moon - Add-ons. Archived from the original on 3 January 2020. Retrieved 4 May 2021.
  17. ^ a b "IsaacSchemm/pdf.js-seamonkey: SeaMonkey fork of pdf.js". GitHub. Archived from the original on 6 December 2020. Retrieved 4 May 2021.
  18. ^ "PDF Viewer for SeaMonkey". Add-ons for SeaMonkey. 25 April 2020.
  19. ^ Lauraharrisneal. "Annotations on Document Previews". dropbox.tech. Retrieved 5 August 2021.
  20. ^ "What matters to you, matters to us. - Slack Engineering". Slack Engineering. 16 November 2016. Retrieved 5 August 2021.
  21. ^ "Under the hood: Learning with documents". engineering.linkedin.com. Retrieved 5 August 2021.
  22. ^ "How fast is PDF.js? – Mozilla Hacks - the Web developer blog".
  23. ^ "1706133 - (pdf-xfa) [meta] XFA support". bugzilla.mozilla.org. Retrieved 28 January 2022.
  24. ^ "Guide to Evaluating PDF.js Rendering". PDFTron. Retrieved 5 August 2021.
  25. ^ "ICC profiles support for images · Issue #2856 · mozilla/pdf.js". GitHub. Retrieved 24 May 2022.
  26. ^ "Overprint Support · Issue #7360 · mozilla/pdf.js". GitHub. Retrieved 24 May 2022.
  27. ^ "Issue about knockout groups. · Issue #3136 · mozilla/pdf.js". GitHub. Retrieved 24 May 2022.
  28. ^ "Frequently Asked Questions · mozilla/pdf.js Wiki". GitHub. Retrieved 5 August 2021.

External links edit

  • Official website  
  • "View PDF files in Firefox". Firefox Help. Mozilla.
  • Chris Jones; Andreas Gal; et al. (15 June 2011). "pdf.js: Rendering PDF with HTML5 and JavaScript". Andreas Gal's blog.
  • Catalin Cimpanu (3 May 2012). "Script of the Day: pdf.js". Softpedia. Archived from the original on 13 January 2015. Retrieved 3 January 2020.


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