A caption with four exclamation points
Typing "amazing!!!!" gets flagged, since some screen readers announce "exclamation mark" once per character instead of reading it as one emphasis.
Social media accessibility checker
This social media accessibility checker scans a pasted caption for the accessibility patterns that are actually checkable from text alone: ALL-CAPS words a screen reader spells out letter by letter, long runs of emoji, un-cased multi-word hashtags, repeated punctuation, and styled Unicode text. It cannot see an attached image, so a standing reminder to write real alt text sits alongside the computed findings.
Check your post's social media accessibility
0 words, 0 emoji. Scanning happens in your browser — nothing is uploaded.
Paste a caption to see its accessibility findings.
Always add alt text to images and video
This tool has no way to see an attached image, so it cannot check for real alt text. Describe what is actually in the image or the first frame of the video, briefly and specifically, in the alt-text field your composer provides — not the caption itself.
How to use the accessibility checker
- Paste your caption. Put the draft in the box — scanning happens in your browser as you type, nothing is uploaded.
- Review each flagged pattern. Every finding explains specifically why it matters to a screen-reader user, not just that something looks unusual.
- Fix what applies to this caption. Not every finding needs a fix — use judgment about which patterns genuinely hurt this specific post.
- Add real alt text separately. This tool cannot see an attached image, so write a specific, accurate alt-text description in your composer's own field.
- Re-check after editing. Paste the edited version back in to confirm a fix actually cleared the flagged issue.
Worked examples
A 24-character all-lowercase hashtag
#socialmediamarketingtips, 24 characters with no capital letters, gets flagged as hard to parse for a screen reader, while the same words written as #SocialMediaMarketingTips would not be.
Social media accessibility FAQ
- Can this tool check my images for accessibility?
- No — it has no way to see an attached image, so it cannot verify alt text; it only scans the caption text you paste in.
- Why does it flag ALL-CAPS words?
- Several major screen readers spell an ALL-CAPS word out letter by letter instead of reading it as a whole word.
- Why does a long run of emoji get flagged?
- A screen reader announces every emoji by name in sequence, so several in a row can turn into a long list before your actual text.
- Is a flagged caption automatically inaccessible?
- Not necessarily — every finding is a pattern worth reviewing, not a formal accessibility audit or a guarantee of a problem.
- Does this tool store or send my caption anywhere?
- No — scanning happens entirely in your browser as you type, and nothing is uploaded, saved, or sent to a server.
- Why does a hashtag like #SocialMediaTips pass but #socialmediatips does not?
- CamelCasing each word lets a screen reader split it into separate words; an all-lowercase run of words reads as one unpronounceable block.
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