Every signature, secured and simplified.
Upload a PDF, mark where to sign, and send a secure link. Your client signs right in their browser — no account, no software to install. Every signature is time-stamped, IP-logged, and legally binding.
Benefits
Why it's worth switching
SignFastAi isn't just another e-signature tool — here's what it actually changes for your business.
Who It's For
Built for the people who send documents every week
SignFastAi fits anywhere a signature stands between you and a done deal.
How It Works
From upload to signed in minutes
No installs, no signer accounts, no back-and-forth emails. Just a fast, secure path from document to signature.
How It Works
No installs, no signer accounts, no back-and-forth emails. Just a fast, secure path from document to signature.
Drag in any PDF — contracts, agreements, waivers, invoices. SignFastAi keeps the original formatting exactly as you sent it.
Drop signature, initial, and date fields anywhere on the page with a click. No templates required — mark it once and send.
Your client gets an email with a one-time, encrypted signing link. No account to create, no app to download — it opens right in their browser.
The moment they sign, SignFastAi locks the document and attaches a tamper-evident audit trail — timestamp, IP address, and a verification hash — for both of you.
Upload Document
Place Signature Fields
Add Signers & Order
Send for Signature
Track & Remind
Download Copy
Built for how small teams actually work
Why SignFastAi
You don't need an enterprise contract platform to get one signature. You need it done — fast, secure, and defensible if anyone ever asks.
Built for how small teams actually work
You don't need an enterprise contract platform to get one signature. You need it done — fast, secure, and defensible if anyone ever asks.
- Signer opens a link and signs — no account, ever
- Most documents are signed in under 2 minutes
- Every action is logged for a court-ready audit trail
- Bank-level encryption, in transit and at rest
Ready to stop chasing signatures?
Upload your first document free — no credit card, no setup call, no waiting.
Simple pricing, no surprises
Start free. Upgrade only when you're sending documents every week.
FAQ
Frequently Asked Questions
Yes. Under the U.S. ESIGN Act (2000) and UETA, electronic signatures collected through SignFastAi are legally binding across all 50 states for the vast majority of business and personal documents.
No. They receive a secure link by email, open it in any browser, and sign — no download, no sign-up, no password.
SignFastAi locks the document and attaches an audit trail — timestamp, IP address, and a unique verification hash — then emails the final signed PDF to everyone involved.
Yes. Documents are encrypted in transit and at rest, and every signing link is single-use and expires automatically.
Yes — the Free plan lets you send documents every month at no cost, no credit card required.
Yes. Add as many signers as you need, and choose whether they sign in a set order or all at once — each signer is only notified once it's their turn.
SignFastAi currently accepts PDF documents. If your file is in another format, convert it to PDF before uploading.
Yes. You can void any request that hasn't been completed yet, which immediately disables the signing link for every remaining signer.
Stay in the loop
Product updates, no spam
Occasional emails about new SignFastAi features and e-signature best practices — unsubscribe anytime.