Thorium Reader by EDR Lab
- Reading System Thorium Reader
- Vendor EDR Lab
- Assistive Technology: Jaws
- OS: Windows
- Tested with Braille: No
- Tested with Screenreader: Yes
- Input type: Keyboard
Results for Basic Functionality: 100%
Last updated: 19 February 2026
Test book used: Fundamental Accessibility Tests: Basic Functionality, version 2.0.0 .
Summary
thorium v 3.3.0 windows 11 JAWS 2026.2512
| Test ID | Name | Description | Result | Notes |
|---|---|---|---|---|
| file-010 | Operating system/Platform accessibility: | If you are using a hardware device, it can be started independently and essential accessibility for starting and exiting applications is available. | Pass | The app installer was downloaded from Github and installed. At the time of testing this version was not available in Microsoft Store. |
| file-110 | The reading system can be activated independently | If you are using a reading app that requires you to create an online account then the complete getting started process should be accessible. | Pass | No online account is required. |
| file-210 | Open content | Open the Fundamental Accessibility Test book in the reading system. | Pass | The test book was loaded from local hard disk. |
| file-310 | Access list of available content in the reading system | Check if you can navigate inside the bookshelf. | Pass | The titles in 'My books' view are accessible with screen reader. |
| nav-005 | The table of contents in the app presents the content hierarchy | Check if the table of Contents is accessible and its hierarchy is presented correctly by the reading system | Pass | The items in the TOC are also given heading 1, heading 2 ... styles as per their hierarchy. It is easy to navigate. |
| nav-010 | Navigate to chapters through the Table of Contents | Check if you can navigate to a section by using the table of contents. | Pass | With screen readers, there is a work around There is a tip for screen reader users. After selecting an item in the TOC, press TAB. The focus will be on a link. Press Enter and now the screen reader will start reading from desired position. |
| nav-110 | Navigate content by pages | Check if you can navigate the content by pages. | Pass | Select page number in Navigation pane. Press the Go button. Then press Tab. Press Enter on the unnamed link and the screen reader focus will be on page 'separator'. |
| nav-210 | Navigate forward and backward through reflowed content | Use any control or command to navigate forward and backwards in the book content. | Pass | Using next and previous buttons or just the PgDn or PgUp keys navigation is possible within the book. |
| nav-310 | Read navigation information | Use the "Where am I?" or any other similar command available in the reading system and check if you can get information about your current position in the book. | Pass | Using the dedicated keyboard shortcut for checking location with the speech (Shift + Ctrl + 0) |
| nav-410 | Perform a search, review the search results | Perform a search, review the search results and navigate to the selected search result in the content. | Pass | The given keyboard shortcut Ctrl + F opens the Jaws virtual find. It works well but search is confined to the current chapter. Can navigate to search button, type phrase to be searched, press the results button and read them. After choosing to go to a search result, press Tab for that link, press Enter and then screen reader focus is on line containing the searched item. |
| nav-510 | Move across chapters without using TOC | Check if you can move across chapters without having to use the Table of Contents. | Pass | Use Ctrl + PgDn or Ctrl +PgUp to move between chapters which are essentially different html files. |
| anno-010 | Add a Bookmark or Highlight | Some reading systems may have a Highlight feature in place of Bookmarks. The tests for Bookmarks may then be performed with Highlights. | Pass | Use Ctrl + B to add bookmark. |
| anno-110 | Review and navigate Bookmarks or Highlights | Check if you can review and navigate Bookmarks or Highlights. | Pass | In the Bookmark list after pressing Enter on one of the items, press Tab to move to the unnamed link and press Enter. Now screen reader focus wil be on the text where bookmark was placed.d |
| anno-210 | Add a note | Add a Note at this location in the book. Provide a few lines of text in the Note. | Pass | notes can be added. |
| anno-310 | Review and navigate Notes | Check if you can review and navigate Notes. | Pass | The Screen reader doesn't announce the selected text but it does announce the note texts and upon clicking the focus is moving to desired location. |
Results for Non-visual Reading: 100%
Last updated: 19 February 2026
Test book used: Fundamental Accessibility Tests: Non-Visual Reading, version 2.0.1 .
Summary
thorium v 3.3.0 windows 11 JAWS 2026.2512
| Test ID | Name | Description | Result | Notes |
|---|---|---|---|---|
| reading-010 | Initiate "read from here" | Focus on the beginning of a paragraph or a sentence and initiate reading. Reading should continue until interrupted by the user or at the end of the current document, e.g. current chapter. The text being read should preferably remain in view, but this is not a requirement to pass the test. | Pass | The book text is fully accessible with screen reader. |
| reading-110 | Stop and resume reading at the same reading location | Initiate reading from any point in the book. Stop reading and note the last read position. Initiate reading again and check if reading starts at the last read location. | Pass | Within a session reading can be stopped and started from last position. |
| reading-210 | All text should be read in the proper order | Sample text has been provided to test the reading order. The Paragraph 2 should be read after Paragraph 1. Note that visually Paragraph 2 is placed to the left of Paragraph 1 but it is second in the reading order. | Pass | Works as expected. |
| reading-310 | Image alternate text reading | Ensure that the alternate text for the image is available. | Pass | Alt text is read. |
| reading-420 | Footnote Reading | This tests the usability and functionality of footnotes. The markup includes the semantics that the reference is to a note,which could be announced to the reader. The destination could be a footnote or an endnote and announced to the reader. The link back to the original position has the semantics that it is a backlink and could also be announced to the reader. | Pass | Footnote link and return link both works as expected. |
| reading-510 | TTS allows pause for indicating headings, paragraphs, list items, etc | The user should be able to identify the difference between content items such as headings, paragraphs or list items by sufficient pauses in the TTS reading or appropriate formatting in the Braille device. | Pass | Text semantics are exposed to Jaws. |
| reading-610 | Navigate between the cells, rows and columns in the table | Check if you can navigate between the rows and columns of the table | Pass | Works as expected. |
| reading-710 | Navigate between internal hyperlinks | Check if you can navigate between internal hyperlinks. | Pass | Works as expected. |
| reading-810 | Move to the next block item | Check if you can move to the next available page element e.g. paragraph, image or table by using a common key/gesture like swipe right, down arrow etc. | Pass | All Jaws text navigation commands are supported. |
| reading-910 | Navigate by characters | Check if it is possible to navigate to next and previous character in the book text by way of any command or gesture. | Pass | Works as expected. |
| reading-1010 | Navigate by words | Check if it is possible to navigate to next and previous word in the book text by way of any command or gesture. | Pass | Works as expected. |
| reading-1110 | Navigate by lines | Check if it is possible to navigate to next and previous line in the book text by way of any command or gesture. | Pass | Works as expected. |
| reading-1210 | Navigate the content by headings | Check if you can move to the next and previous headings in this book without using the Table of Contents. | Pass | Heading navigation works throughout the current chapter. |
| reading-1310 | Select and copy text | Reading systems should provide the ability to copy pieces of text that could be used for notes, in quotations, or to facilitate searching terms contained in the book. In some cases, this could be achieved using an AT such as a screen reader, for instance with a dedicated cursor or other procedures. | Pass | Text can be selected. It is also visually highlighted. Copy as usual and paste in another application. |
| reading-1410 | MathML Reading | The block and inline math expressions below are in the MathML format. We want to determine that the Assistive Technology (AT) identifies the math and enables the detailed exploration of the math with the chosen AT. | Pass | Works as expected. |
| reading-1510 | TTS Change Languages Automatically | Screen readers and other Assistive Technology that use TTS should be able to detect language changes marked in XHTML content. A screen reader should be able to be configured to automatically change the TTS speaking language when it encounters a language change in the XHTML. This test contains English, German, French, and Italian. | Pass | change of language was noticed. |