Blocks: Accessibility

Maintained by Picture of Hittesh AhujaHittesh Ahuja
Provides options for changing text size and colour scheme. Settings can be saved to persist between sessions. Also integrates ATbar from Southampton University ECS.
2132 sites
58 fans
Current versions available: 2

The block allows users to customise Moodle to their visual needs.  It supports changing of text sizes and colour schemes.  Customisations save to the user's session, allowing them to persist between pages, and can also be saved to the database allowing them to apply permanently.

The block also integrates ATBar from Southampton University ECS. This provides extra tools and customisation options, including dictionary lookup and Text-to-speech.  Visual customisations performed with ATBar don't currently persist, and can be used as well as or instead of the block's own customisations.

Please dont report bugs here

If you experience an error with the block, or would like to request a feature, please use the "Bug Tracker" link below.


This plugin is part of set Seeking new maintainer.


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Picture of Hittesh Ahuja
Hittesh Ahuja (Lead maintainer)
Picture of Mark Johnson
Mark Johnson: Original maintainer
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  • Picture of Isabel Ashburner
    Sat, Oct 28, 2017, 6:38 PM
    Hi, I am working on a project that is going live at the end of 2018 and is aimed at stroke survivors among others, so it would be really good to have this plugin. The site is going to be v3.3 - do you anticipate that there will be a 3.3. compatible version of this module by, say, the middle of next year? It would be great to put this in the proposal but I don't want to make promises I can't keep!
  • Picture of David Mudrák
    Mon, Dec 11, 2017, 5:05 PM

    This plugin has been put up for adoption and is now seeking a new maintainer. Please see for more details.

  • Picture of Verónica V.
    Sat, Feb 10, 2018, 4:37 AM
    Hello Hittesh, Mark and Hrvoje.

    First very good plugin.

    Second, I suggest the following change:

    edit_form.php line 59
    Color scheme # '. $ I.'
    change it by
    '.get_string (' color_scheme ',' block_accessibility ').' # '. $ i.'

    From already thank you very much.
    Best regards.
  • Picture of Ged Allen
    Sun, Apr 29, 2018, 11:42 PM
    Hi, love this plugin. I have a question regarding configuration. "out of the box" I see that there are three main colour schemes. One of my students prefers a pink background. I changed the settings on the block to allow this (the block is present at the course level). I can the accessibility block on the right hand side at the course level and change to the pink background, I can also do this at the activity level (for changing the background colour of quizzes for example). However the student can only see the option for changing background colour at the course level. Is it possible for students to configure their own colour schemes at all levels (course and category)? I only have admin access at the course level and below. Sorry if this has been covered before, can't seem to figure it out.
  • Picture of Ged Allen
    Sat, May 26, 2018, 1:48 AM
    If you encounter this issue, you can change the settings in each individual quiz. Under "appearance" select "show blocks during attempt". This enables users to change the accessibility settings at the quiz level.
  • Picture of Ericka Zuniga
    Tue, Jun 5, 2018, 4:04 AM
    do you know if there will be any actualization plan for accessibility block (Moodle 3.5)?
  • Picture of Verónica V.
    Wed, Jul 4, 2018, 7:22 AM
    Hi Ericka, I join your question.
  • Picture of Yovanny Urbina
    Fri, Oct 5, 2018, 2:16 AM
    They know if they are going to update the Accessibility module for the new versions of moodle?
  • Picture of cristina galofre
    Sat, Nov 10, 2018, 2:43 AM
    Hi, Thanks for this great accessibility block!
    Is there a version compatible with Moodle 3.4? or Moodle 3.5?
  • Picture of Sarah Ricketts
    Tue, Nov 13, 2018, 9:03 PM
    Although not officially released, we use it on v3.5.2 and it works as expected, if that helps.
  • Purple and green cubism
    Fri, Apr 5, 2019, 5:55 PM
    @cristina galofre We use 3.5.3 with Boost at the moment and the Accessibility block works fine for our site. However, the ATbar (see ) is overlapped by the Nav drawer in the Boost theme.
    Word of caution: Using custom CSS to style your Moodle site does ~not~ play well with ATbar either. (As admin: go to Dashboard / Site administration / Appearance / Themes / Boost, then Advanced settings.)
    I'm using the following relevant custom styling; it works fine for screens / internet browsers wider than about 780px. But the "move ATbar buttons to the right a bit" fix causes them to overlap each other on smaller screens.

    Raw initial SCSS
    html, body {
    font-size: 16px;

    .breadcrumb-item {
    font-size: 1.125rem;

    .instancename {
    font-size: 1.25rem;

    .sectionname {
    font-size: 1.625rem;

    .mr-2 {
    font-size: 1.5rem;

    #page-content {
    font-size: 1.125rem;

    Raw SCSS
    body div#sbarGhost, body div#sbar {
    top: 50px !important;

    body div#sbar {
    a#sbarlogo {
    position: relative;
    left: 140px !important;
    margin-left: 140px !important;
    div#at-btn-ftw, div#at-btn-resizeUp, div#at-btn-resizeDown, div#at-btn-fontSettings, div#at-btn-spell, div#at-btn-dictionary, div#at-btn-tts, div#at-btn-wordprediction, div#at-btn-css, div#at-btn-overlay {
    position: relative;
    left: 140px !important;
  • Picture of Luciano Lisbôa
    Sat, Apr 13, 2019, 4:55 AM
    Hi. Is there any date for this block to be updated contemplating version 3.6 of Moodle?
  • Picture of Ruthie Tobbie
    Sun, Apr 21, 2019, 12:24 PM
    Hi. Firstly, this is a wonderful plugin. Is there a workaround to add French to the text to speech functionality?
  • Picture of Ken Farrimond
    Thu, Feb 27, 2020, 11:18 PM
    Hi Hittesh
    This is a great plugin, and still works on 3.6. We are really keen to see it continue to be developed. Can I have a conversation about how we can help see an update to this.
    I have sent a contact request.
  • Picture of Hrvoje G
    Fri, Feb 28, 2020, 5:11 AM
    In my opinion this plugin might or might not be useful anymore. Could be worthwhile to verify directly with the users whether such tools are even useful or used nowadays?

    It has been long years since the plugin was initially released and surely back then there was a need and common practice to have such tools improving the accessibility on the website. But since then the whole Web has changed, the websites, browsers, browsing devices, assistive technology and even the accessibility guidelines.

    Here is a quote from well accepted accessibility resource WebAIM describing it as a bad practice: "All browsers allow the sizing or scaling of the page content - why duplicate this browser functionality?" >
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