NDA-first document sharing
Stop sending attachments. Share one private link.
Shadowbox gates every sensitive deck behind a friendly NDA screen. Recipients agree once, unlock a view-only experience, and every action is logged for proof.
- Avg. time-to-sign
- 42 seconds
- Watermarks & revoke
- Included on every plan
- Receipts
- Court-admissible trail
Access receipt
jane@investor.vc
- Signed NDA14:21 UTC
- Viewed deckPages 1-12
- Watermarkjane@investor.vc
- StatusActive
Encryption keys stay in the URL fragment. Servers store ciphertext only.
Send one secure link
Upload, choose your NDA, and send a URL that cannot be opened until it’s agreed to.
View-only + watermark
Documents render in a controlled viewer with diagonal identifiers and instant revoke.
Receipts you can prove
Every sign, view, and revoke is logged with timestamp, IP hash, and device fingerprint for audit.
Trusted for
Term sheetsPricing decksFinancial modelsInvestor updates
Ship the NDA → deck workflow your buyers expect.
Founders, sales, and deal teams protect sensitive files, prove who viewed them, and revoke access in one click.