Coding⏱️ 3 min read📅 2026-06-19

How to Fix: Image names with international characters - 404 error

WordPress image naming issue with international characters causing 404 error.

Quick Answer: The issue arises from WordPress URL encoding, which replaces special characters with a percentage sign followed by the character's ASCII code. To fix, replace these encoded characters with their correct Unicode representations.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. ✅ Best Solutions to Fix It
  3. 💡 Conclusion

Image names with international characters are causing issues when accessing images through WordPress, resulting in a 404 error. This affects users who have uploaded images with non-ASCII characters, such as "æ" "ø" "å", and are trying to view them through the browser.

The issue is frustrating because it prevents users from viewing their own content, and it's not immediately clear what's causing the problem. However, by following these steps, you should be able to resolve the issue and access your images correctly.

⚠️ Common Causes

  • The primary cause of this error is that WordPress is not properly encoding file names with international characters. When a file name contains non-ASCII characters, it can cause issues when trying to display or upload files.
  • Another possible cause is that the image file itself may be corrupted or have incorrect metadata, which could also lead to issues when viewing the image.

✅ Best Solutions to Fix It

Using URL Encoding to Fix File Names

  1. Step 1: To fix this issue, you'll need to use URL encoding to replace special characters in file names with their corresponding escape sequences. This will ensure that WordPress can properly display and upload files with international characters.
  2. Step 2: Open your FTP client or file manager and navigate to the folder containing your images. Look for files with international characters in their names and apply the following changes:
  3. Step 3: Replace "æ" with %C3%A5 (å)
  4. Step 4: Replace "ø" with %C3%B8 (o)
  5. Step 5: Replace "å" with %C3%A5 (å)

Using a Plugin to Fix File Names

  1. Step 1: Alternatively, you can use a plugin specifically designed to handle file names with international characters. This approach may be more suitable for larger websites or those with complex file naming conventions.
  2. Step 2: Search the WordPress Plugin Directory for plugins that support international character encoding in file names. Some popular options include "WP International Characters" and "File Name Encoder".

💡 Conclusion

By following these steps, you should be able to resolve the issue and access your images correctly. Remember to test your files thoroughly after making any changes to ensure that they display properly. If you're still experiencing issues, consider reaching out to a WordPress developer or support team for further assistance.

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