Add Text, Signatures & Stamps to Any PDF
Drop new text boxes, signature PNGs, and stamps onto any PDF page, then download. This adds an overlay — the existing PDF text stays untouched. Files never leave your browser.
Stamp a PDF in 3 steps
Upload a PDF
Drop or click to pick a PDF. The file is processed only in your browser.
Place stamps, signatures & text
Add the stamp/signature PNGs you made above, or freely drag in text and images.
Download the PDF
Get a new PDF with everything baked in. Original pages, text, and metadata stay intact.
Add fields, stamps, and signatures
before the real signing flow
Use the browser PDF editor to place text fields, stamps, signatures, dates, and checkboxes on a contract draft. It is the quick preparation step before sending a proper e-contract.
When it needs legal weight,
send it through Nadoo e-contracts
Visual PDF editing is useful for setup. For signer invitations, audit trails, completion status, and long-term evidence, continue with Nadoo e-contracts.
Frequently asked questions
You stamped it — but
it's not a real contract yet
This editor only handles visual placement. For legal weight, use Nadoo's e-contract: cryptographic digital signatures, multi-signer workflow, and permanent audit trail in one place.
| Feature | This free tool | Nadoo e-contract |
|---|---|---|
| Place stamps & signatures on PDF | ✓ | ✓ Auto-aligned |
| Cryptographic digital signature | — | ✓ PKI-based |
| Request multi-signer | — | ✓ Email automation |
| Track signing status | — | ✓ Real-time |
| Audit trail & retention | — | ✓ Permanent |
