Features
Everything you need to send, sign, and prove
A focused toolset for secure document workflows — no bloat, no insecure shortcuts.
Gated share links
Each share targets one recipient and serves bytes only through a scoped, rate-limited stream — never a public or presigned file URL.
Email one-time codes
Recipients verify their identity with a short-lived emailed code before any document opens. Codes are stored only as hashes.
In-browser signing
Sign by typing or drawing, with a documented accessible alternative. No downloads, no plugins, full keyboard support.
Version-pinned & immutable
Signers can only sign the exact bytes that were shared, verified by checksum. The signed copy is stored separately and never overwritten.
Tamper-evident audit
Every event is written to an append-only, hash-chained audit log, with a certificate page stamped onto each signed document.
Client workspaces & roles
Organize work by client and invite your team with owner, admin, and member roles — all inside one isolated organization.