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Free tool

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Email Accessibility Checker

Run deterministic checks for alt text, link labels, contrast signals, heading structure, and common email accessibility gaps.

Your content stays in your browser unless you choose to import into Memo.

Processed in your browser. Max 512 KB. Not stored on Memo servers unless you import.

No HTML yet

Paste or upload email HTML to run practical accessibility checks.

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Frequently asked questions

Does this certify WCAG compliance?
No. This provides practical email accessibility guidance, not certification.
Can it test my sent email in an inbox?
No. Paste HTML only; we do not access your ESP or inbox.

About this tool

Run practical accessibility checks on email HTML - alt text, link labels, contrast signals, and common patterns that affect screen reader users.

How to use Email Accessibility Checker

  1. Paste or upload your email HTML.
  2. Review issues by severity: critical, important, and suggested.
  3. Apply fixes and re-run, or import into Memo.ly for Memo Check.

What it checks or simulates

  • Missing or empty alt text on images
  • Generic link text like "click here"
  • Empty links and buttons
  • Estimated color contrast where detectable
  • Small font sizes and language attributes

Best practices

  • Write descriptive link text that stands alone.
  • Use alt="" only for decorative images.
  • Keep body text at 14–16px minimum.

Learn more

Disclaimer

Email Accessibility Checker provides practical guidance and simulation only. Memo.ly does not send email, guarantee inbox placement, certify accessibility or legal compliance, or promise pixel-perfect rendering in every email client.

  • Not WCAG certification or legal compliance.
  • Real assistive technology behavior varies by client and device.
  • Contrast checks only apply where inline colors are detectable.