File chunking

The threat

Splitting a file across requests can bypass controls that inspect only complete uploads.

How the test works

Choose a dummy file and chunking pattern. The browser uploads pieces and the server tries to reassemble them.

Try it yourself

Splits the selected file into ordered chunks and submits a manifest for reconstruction.

Use dummy or public test files only. Reconstructed files are auto-deleted after 10 minutes.

✓
Test pass condition

The transfer is blocked, or the complete file cannot be reassembled.

✗
Test fail condition

The server reassembles the original file.

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