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Having trouble uploading files? This guide covers common file upload errors and how to resolve them.

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Common upload errors

Error: “File exceeds maximum size” or “File too large”Solutions:
  • Max file size: 100MB per file
  • Compress large files: Use compression tools
  • Split large documents: Upload sections separately
  • Use external links: For very large files, host elsewhere and share link
Error: “File type not supported”Supported formats:
  • Documents: PDF, DOCX, TXT, MD
  • Images: JPG, PNG, GIF, WEBP
  • Code: JS, PY, TS, and most text-based code files
  • Data: CSV, JSON, XML
Solutions:
  • Convert to supported format
  • For unsupported files, copy-paste content as text
Error: Upload progress bar stuck or failsSolutions:
  1. Check connection: Ensure stable internet
  2. Retry upload: Cancel and try again
  3. Reduce file size: Compress or optimize
  4. Different browser: Try Chrome or Firefox
  5. Clear cache: Browser cache and cookies
  6. Disable extensions: Ad blockers may interfere

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Best practices

1

Optimize files before upload

  • Compress images
  • Remove unnecessary pages from PDFs
  • Clean up code files
2

Use appropriate formats

  • Text files process fastest
  • PDFs work well for documents
  • Images should be reasonably sized
3

Check file integrity

  • Ensure files aren’t corrupted
  • Verify files open correctly on your device
  • Try opening in different applications

Files and images

Working with files

Image editing

Image tools