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The Solun guide to private sharing

Start here if you want the full picture. This guide links to the most useful deep dives.

Choose the right mode

Quick mode is fast and convenient when speed matters and server-side encryption is acceptable.

Secure mode keeps the key in your browser, so the server never sees it.

Short TTLs reduce the chance of long-term exposure.

Burn-after-read is ideal for secrets that should be accessed only once.

Avoid link previews and send context separately from the link.

URL fragments keep keys out of server logs and analytics.

Chunked encryption keeps large files secure and reliable during upload.

Direct-to-storage uploads keep the API out of the data path in secure mode.