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How to add alt text on Facebook

Guides2/24/2026Bryam Loaiza
Facebook Edit Photo Alt Text screen

Edit photo → Alt text → Override generated text

Facebook supports alt text around 100 characters and allows editing after posting.

New posts

  1. Create a post and attach an image.
  2. Choose Edit photoAlt text.
  3. Override the generated text and enter your own.
  4. Save.

Existing posts

  1. Open the photo → OptionsChange Alt Text.
  2. Write or replace the description and save.