Upload a PDF, drop in signature fields, and send it by email or text. Your customers sign on their phone in under a minute — no app, no account, no printer.
Signature, initials, date, name, checkboxes and text. Place them on any PDF in seconds.
Signers tap a link, sign with a finger or type their name, and they're done. No downloads.
Send signing links by email or SMS, in the order you choose, with automatic reminders.
Consent, audit trail, IP and device details, and a tamper-evident seal — built for the U.S. ESIGN Act and UETA.
Every signed PDF includes a full history of who viewed and signed, and when.
Save the forms you send every day and send them again in three taps.
REST API, webhooks, Zapier and a Claude connector. Send from your CRM and get the signed PDF back automatically.
Anyone can confirm a signed PDF has not been changed since it was completed.
Invite your office staff and drivers, share templates, and see every envelope in one place.
Add a PDF or a photo of your form.
Drag signature and date fields where they go.
We email or text it. You get the signed copy back automatically.
Every plan starts with a free 14-day trial of all features. No card required.
Prices in USD per user, per month. Billed monthly. Cancel anytime.
Yes. In the United States, the ESIGN Act and the Uniform Electronic Transactions Act give electronic signatures the same legal effect as handwritten ones for most business documents. HydraSign records each signer's consent, identity details and every step in a Certificate of Completion. Some documents — like wills and certain court or notarized filings — have special rules, so check with your attorney for those.
No. They get a secure link by email or text, review the document, and sign. It takes about a minute.
Pick a plan and add a card to keep sending. If you don't, your account stays open and you can still view and download every signed document.
Yes. You keep access until the end of the month you've paid for, and your signed documents stay available.
Documents are encrypted in transit and stored with an encrypted cloud provider. Card payments are handled by our payment processor — we never see or store full card numbers.