Chax Chat Accessibility Podcast

Chax Chat Accessibility Podcast

Join Chad Chelius and Dax Castro (CHAX) as they chat about important document accessibility topics, trends and maybe even complain a little now and again.

Episodes

March 3, 2026 33 mins

In this episode of ChaxChat, Dax Castro and Chad Chelius unpack two very different approaches to accessibility innovation. First, they dive into Microsoft's implementation of MathML in Word and PowerPoint and why it represents a genuine win for accessible math. By carrying MathML through to the PDF export with proper tagging and screen reader support, Microsoft demonstrates what it looks like when accessibility is built into the wo...

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Accessible forms are more than a technical checklist. They require smart decisions about usability, workflow, and long-term maintenance. In this episode of Chax Chat, Dax Castro and Chad Chelius are joined by Walt Zielinski, a web developer with extensive experience building accessible form experiences.

The conversation focuses on a key question: when should you use a web form versus a PDF form? Together, they explore real-world co...

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In this episode, Dax Castro and Chad Chelius take a thoughtful look back at the accessibility lessons that defined 2025 and share what they are most excited about heading into 2026, drawing directly from real client work, remediation challenges, and conference conversations. T...

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In this episode Dax Castro and Chad Chelius break down the real-world value of accessibility tools. From essential free tools like NVDA and color contrast analyzers to powerful paid solutions like CommonLook, Access PDF, PDFix, and more, they discuss what actually saves time, what improves quality, and what's worth the investment.

If you're creating or remediating accessible documents and wondering whether paid tools are justified,...

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Join Dax Castro and senior trainer Rob Underwood as they unpack how smarter file management and planning can transform your accessibility projects. They dig into practical strategies for setting up metadata, creating consistent heading structures, choosing and managing accessible color palettes with CC Libraries, and planning alternate formats for charts and tables before you ever hit export to PDF. Along the way, they tackle the r...

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Does accessibility really mean ugly charts, boring colors, and pattern fills everywhere? In this episode, Chad Chelius and Dax Castro tackle accessible color head-on: what color contrast actually means, when it applies (and when it doesn't), and how to handle charts, graphs, heat maps, and logos without trashing your brand. They break down the key WCAG contrast ratios, talk about the logo exemption, and share practical strategies l...

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December 9, 2025 45 mins

Are you spending hours "fixing" things in a PDF that your screen reader users will never notice? In this episode Chad Chelius and Dax Castro ask a hard question: Are you fixing the wrong thing?

We pop open the tags tree and talk about what really affects user experience and what is just busywork....

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When a PR and communications pro falls in love with accessibility, what happens next? In this episode of the Chax Chat Podcast, Chad Chelius and Dax Castro sit down with author and educator Matisse Hamel-Nelis to talk about her new book, Accessible Communications: Create Impact, Avoid Missteps and Build Trust, and the journey that brought her there, plus an honest look at what it's like to build an accessibility-focused career, lau...

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November 11, 2025 24 mins

This episode of Chax Chat features guest Roy Samuelson, a renowned audio description performer and consultant, who discusses the craft and impact of audio description in making video content accessible to blind and visually impaired audiences. The conversation covers the nuances of producing effective audio descriptions, the artistic and technical roles involved, and practical guidance for organizations looking to implement audio d...

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Inspired by Michael Hans' recent blog post, 'Google Docs Adds PDF Accessibility Tagging', Chad and Dax are exploring recent updates to Google Docs' PDF export capabilities. They focus on the addition of accessibility tags and the implications for document structure and screen reader usability. Chad and Dax discuss their own testing results, highlight both improvements and ongoing challenges with nested lists and table headers, and ...

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Chad Chelius and Dax Castro welcome Microsoft's Shireen Salma and Ylva Kravis to unpack new accessibility features in Word and PowerPoint, including the cross‑platform Reading Order pane, smarter AI‑generated alt text with approval workflows, and improved handling of floating images via anchors in Word. The discussion dives into table accessibility (layout tables, header detection, scope, merged cells), export-to-PDF best practices...

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September 30, 2025 53 mins

Ever wondered why making tables accessible is so tricky? Or why it matters at all? In this lively episode of Chax Chat, Chad Chelius and Dax Castro break down the nuts and bolts of accessible tables with practical tips that draw on their decades of hands-on experience. From the essential differences between visual and programmatic accessibility, to real-world table fails (and how to fix them!), they share their secrets to creating ...

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Ever wondered why your document gets a thumbs-up from automated checkers, but still trips up real users? Do you find yourself wishing that technical compliance could actually intersect with real-world user experience? Join Chad and Dax as they dive into relatable stories, offer hands-on tips for remediation, and reveal the hidden flaws that checkers just can't spot. Whether it's tag structure confusion, alt text tricks, or time-sav...

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Think you know Adobe Acrobat? Think again! Chad and Dax pull back the curtain on the most misunderstood Acrobat features, busting myths about tag trees, reading order, and common mistakes that trip up even seasoned pros. Get practical, real-world advice on cleaning up your tags, using the right tools (and avoiding the wrong ones), and ensuring your PDFs are truly accessible. Whether you're a document novice or a seasoned remediator...

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A listener recently asked: How do you make legal documents with line numbers accessible? And Dax and Chad have answers!

They dive into this niche but critical topic, breaking down the challenges of line-numbered pleadings and outlining practical strategies for remediators and document creators. From table-based solutions and tag structure tips to NVDA shortcuts and source file considerations, this episode is packed with real-world ...

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Accessibility isn't the cherry on top, it should be baked in to your designs from the start! In this episode, Dax and Chad break down common design pitfalls and explain how to avoid them! From poor color contrast and tiny fonts to confusing layouts and unlabeled charts, they dive into the most common mistakes. Using plenty of real-world stories, this episode shows the value of considering accessibility from the beginning.

Intereste...

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Accessibility checkers are helpful, but they don't tell the whole story. In this episode, Dax and Chad break down what really makes a document accessible, from heading structure and reading order to alt text, lists, and color contrast. With plenty of real-world examples (and a few accessibility wizard jokes), this episode is a practical guide to building better documents from the start!

 

Interested in a resource mentioned in this ...

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Designing accessible multilingual documents goes way beyond translation. In this episode, Dax and Chad unpack the many layers, from alt text limitations and form field quirks to font encoding nightmares and cultural sensitivity in visuals. If you're designing multi-language documents or forms, this conversation is packed with practical insights to help you build documents that are truly inclusive.

Interested in a resource mentione...

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Forms are one of the trickiest types of PDF's to make accessible! In this episode, Chad and Dax break down why forms can be so frustrating, how tagging impacts screen reader navigation, and what tools and workflows can help you build forms that are both functional and accessible. They share tips that save time (and sanity), pitfalls to avoid, and, as always, they remind you why checking your work with a screen reader is essential.

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