Sign PDF
Draw a signature, type your name in a script font, or upload a signature image — then drag it onto any page, resize and export. Both the file and the signature stay in your browser; saved signatures live only on this device.
Drop your file here
or choose from your device — no sign-up needed
Files are processed locally in your browser — never uploaded to any server
Prepare your signature first (optional)
Draw, type or upload a signature and save it in this browser — place it with one click after uploading your PDF.
Full-release pricing preview: $6.9/mo or $49/yr · 30-day email notice before billing starts · nothing is charged during the beta
How it works (3 steps)
Upload the PDF and create a signature
Draw with mouse or finger, type your name (pick a script font), or upload an existing signature image.
Place and adjust
Click "Add to page" — the signature lands on the current page; drag it anywhere, resize from the corner, and flip pages to sign multiple pages.
Export the signed PDF
Hit Start to write the signatures into the PDF and download _signed.pdf.
Popular searches
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FAQ
No. Creating, placing and writing the signature all happen locally in your browser; saved signatures live only in this browser’s localStorage.
Try it ↑It is a visual (image) signature, suitable for everyday contracts and forms. It is not a certificate-based cryptographic digital signature — confirm the recipient accepts image signatures when legal requirements are strict.
Try it ↑Yes. Flip to the target page and "Add to page" again; each page can hold several signatures, exported in one pass.
Try it ↑PNG or JPG; a white or transparent background with clear strokes works best. You can resize freely after placing.
Try it ↑No. Any change to a signed PDF (merging, compressing, watermarking…) invalidates the existing digital signature — that is the tamper-proof design of PDF signatures, not a limit of this site. Process first, then sign.
Try it ↑Yes — and you can verify it: the tool runs on open-source in-browser engines (pdf-lib, pdf.js, Tesseract OCR…) on your own device. Open DevTools → Network while processing and you will see no file upload requests.
Try it ↑Related tools
Annotate PDF
Review documents without installing anything: highlight key lines, add text notes, draw freehand, and mark up with rectangles, ellipses and arrows — all locally in your browser, then written into the exported PDF.
Light PDF Edit (Whiteout + Text)
Fix a typo, change a date, or cover a stray mark: whiteout the original content and type replacement text in place
Merge PDF
Combine several PDFs into one file, in exactly the order you want — drag to reorder before merging