Use the HTML5 1.6.4 uploader when:
| Issue | Solution |
|-------|----------|
| Large files ( > 50GB ) | Use chunk size of 10–50 MB. The uploader does this automatically but can be tuned via URL params? (Not publicly documented). |
| Upload pauses/fails | Check console for [HTML5 Uploader] Retry attempt. Version 1.6.4 retries up to 5 times. |
| Metadata not saving | Ensure you fill all required fields before starting upload. Some versions fail if you edit metadata post-upload. |
| Token expired | Log out and back in. Version 1.6.4 had a token refresh mechanism; newer versions may have changed it. |
| Browser compatibility | Use Firefox ESR or Chromium-based (Chrome, Edge). Safari sometimes has CORS issues. | internet archive html5 uploader 164 best
If you see errors like:
The 164 error means the HTML5 uploader lost session authentication. This is common if: Use the HTML5 1
You cannot simply click a button on the front page to get this version. You need to use a specific URL parameter. Follow these steps: If you see errors like: