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Skip to contentAdd a text or image signature to PDF pages. Use Tentaco PDF Sign to process the file in your browser and download the result — no account.
Full tool — runs in your browser. No sign-up required.
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Add a text or image signature to PDF pages. Everything runs locally in your browser — your data never leaves your device.
Load your file into Tentaco PDF Sign. Standard processing runs locally in your browser — contents are not sent to Tentaco servers for that path.
The primary button opens the matching studio mode so you can start without an account. People often search for: pdf sign, sign pdf, pdf unterschrift.
Open PDF Sign via the studio button (direct mode).
Select or drop your file.
Adjust options and review the preview or output.
Download the result and re-run if you need another pass.
File transfer: No. Processing: local in the browser. External APIs: none. Temporary storage: memory. Permanent storage: only after you download.
LocalThis tool processes data locally in your browser. Tentaco does not receive your file contents for this mode.
PDF Sign accepts the file types listed in the tool UI. Convert unsupported formats first or use a related Tentaco tool.
No. PDF Sign processes the standard mode locally in your browser; Tentaco does not receive your input for that path.
Practical limits depend on your device and browser memory. Very large files may be slow or fail in PDF Sign — shrink the file and retry.
After processing, PDF Sign shows a download action. Save locally; Tentaco does not auto-archive to a cloud library.
Yes, PDF Sign runs in mobile browsers. For very large media, desktop is often more comfortable.
PDF Watermark — draft confidential stamp
Add a diagonal text watermark to all pages. Use Tentaco PDF Watermark to process the file in your browser and download the result — no account.
PDF Lock — password protect PDF online
Encrypt PDF files with a password. Use Tentaco PDF Lock to process the file in your browser and download the result — no account.
Signature Studio online — free
Sign, redact and verify PDF documents. Tentaco Signature Studio: review input and get an instant result — free, no sign-up.
Compress PDF without upload — reduce file size free
Shrink PDF file size in your browser. No cloud upload — choose quality presets and download a smaller PDF instantly.
Merge PDF without upload — free online
Combine multiple PDF files into one document in your browser. No upload to a server — files stay on your device.
Document Studio online — free
Invoices, receipts and resumes as fill-in PDF templates. Use Tentaco Document Studio to process the file in your browser and download the result — no account.
Cancellation letter template — free PDF online
Create a cancellation or Kündigung letter as PDF in your browser. No upload, no account — edit and download locally.
PDF Redact — black out sensitive text
Black out sensitive regions in a PDF. Use Tentaco PDF Redact to process the file in your browser and download the result — no account.