Can I use
?

Built-in PDF viewer

- OTHER

Support for a PDF viewer that is part of the browser, rather than requiring a PDF file to be opened in an external application.

Chrome

  1. 4 - 14: Support unknown
  2. 15 - 118: Supported
  3. 119: Supported
  4. 120 - 122: Supported

Edge

  1. 12 - 14: Support unknown
  2. 15 - 118: Supported
  3. 119: Supported

Safari

  1. 3.1 - 3.2: Support unknown
  2. 4 - 17.0: Supported
  3. 17.1: Supported
  4. 17.2 - TP: Supported

Firefox

  1. 2 - 18: Not supported
  2. 19 - 119: Supported
  3. 120: Supported
  4. 121 - 123: Supported

Opera

  1. 9 - 11.6: Not supported
  2. 12 - 103: Supported
  3. 104: Supported

IE

  1. 5.5 - 10: Not supported
  2. 11: Partial support

Chrome for Android

  1. 119: Not supported

Safari on iOS

  1. 3.2 - 17.0: Supported
  2. 17.1: Supported
  3. 17.2: Supported

Samsung Internet

  1. 4 - 22: Not supported
  2. 23: Not supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 73: Not supported

UC Browser for Android

  1. 15.5: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 119: Not supported

Firefox for Android

  1. 119: Not supported

QQ Browser

  1. 13.1: Supported

Baidu Browser

  1. 13.18: Not supported

KaiOS Browser

  1. 2.5: Not supported
  2. 3: Not supported

When displaying PDFs inline rather than separately, iOS Safari will only display the first page of the document.

Resources:
PDFObject - JavaScript utility to embed PDF documents in HTML