Sign documents online: PDFs and contracts in your browser
Need to sign a contract or PDF online — without a printer, scanner, or the post? With letssign.now you upload your document, place the fields, and send it; your signers sign right in the browser, on desktop or mobile. The result is a legally valid signed PDF with a complete, verifiable audit trail.
Sign online in a few steps
From upload to a fully signed document usually takes only minutes. You always see who has already signed and are notified automatically the moment everyone is done.
Here is how you sign a document with letssign.now:
- Upload your PDF — just drag your contract or document into the window.
- Place fields — drop signature, date, and text fields exactly where they belong.
- Add signers — enter names and emails, and set the signing order if you like.
- Send — each recipient gets a secure link by email.
- Signers verify themselves (email or SMS) and sign right in the browser — no account required.
- Done: you receive the signed PDF together with a Certificate of Completion.
What you need to sign
Signing online requires no special software and no installation. A browser on your computer, tablet, or phone is all it takes — for you and for your signers.
This is especially convenient for your counterparties: recipients don't need a letssign.now account. They open the link, confirm their identity by email or SMS, and sign. That lowers the barrier and gets your contracts back faster.
- Just a browser — no app, no download, no installation.
- Works on desktop, tablet, and mobile.
- Signers don't need an account.
- Identity check by email or SMS — SMS verification available on every plan.
Is it legally valid?
Yes. Electronic signatures created with letssign.now are legally valid in Switzerland and the EU. We offer the simple (SES) and the advanced electronic signature (AES) — grounded in the Swiss ZertES and the European eIDAS regulation.
Every signed PDF is sealed to the PAdES standard and carries a qualified timestamp (TSA). You also receive a Certificate of Completion — the audit-trail document that records every step, identity check, and timestamp. The authenticity of any document can be checked at any time at /verify.
- SES and AES under ZertES (CH) and eIDAS (EU).
- Sealed to the PAdES standard with a qualified timestamp (TSA).
- Certificate of Completion as a full audit trail.
- Independently verifiable at /verify.
Why letssign.now
letssign.now is Swiss-made and hosted in Switzerland — and available worldwide. You sign with a solution built around Swiss law without giving up international reach.
From the Branded tier you send under your own subdomain (YOURCOMPANY.letssign.now) — your signers see your brand, not ours. And all of it for roughly 90% less than DocuSign and DocSend combined, in six languages.
- Swiss-made and hosted in Switzerland, available worldwide.
- Your own subdomain and branding from the Branded tier.
- Around 90% cheaper than DocuSign plus DocSend.
- Interface in six languages.
Sign your first document online now
Upload your PDF, place the fields, and send it in minutes. Your signers sign right in the browser — no account needed.
Start for freeFrequently asked questions
Do my signers need an account?
No. Recipients open the link from the email, confirm their identity by email or SMS, and sign right in the browser — with no letssign.now account.
Is an online signature legally valid in Switzerland?
Yes. letssign.now offers the simple (SES) and advanced (AES) electronic signature under the Swiss ZertES and European eIDAS regulation. Every document is sealed to the PAdES standard with a qualified timestamp (TSA).
Can I sign from my phone?
Yes. Signing works entirely in the browser on desktop, tablet, and mobile — no app and no installation.
How can I check that a signed document is authentic?
Every signed PDF includes a Certificate of Completion and can be checked at any time at /verify for authenticity and the complete audit trail.