How do I fix error Security Check?

The error Security Check on Discord is typically caused by incompatible file formats. Converting your image to a standard format like JPG or PNG usually resolves this issue instantly.

Is it safe to convert my files online?

Yes, if you use a client-side converter like LocalImageConverter. Your files are processed entirely within your browser and are never uploaded to any server, ensuring 100% privacy.

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Error Code: Security Check

Fix Discord WebP Upload Fail

Discord sometimes blocks WebP uploads for security. Learn how to bypass it.

Instant Solution

The most reliable way to fix format incompatibility on Discord is to standardise (convert) the file.

BAD FILE.webp

FIXED FILE.png

Fix My File Now

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Discord's CDN sometimes flags specific WebP containers as suspicious, resulting in a generic "Upload Failed" message.

The Fix

Discord loves PNGs and JPGs. Convert your image to a standard PNG. It will bypass the security filter and render perfectly in chat.

Need more help?

LocalImageConverter supports over 50 formats. Whatever file you are struggling with, we can probably fix it.

View all supported formats