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Sign PDF Online

Draw, type, or upload — then drag, resize from corners, rotate, and sharpen for crisp signatures on any page

Drop PDF here

or select a file from your device

Supported: .pdf

Ink strength 70
Sharpness 45
Text weight Medium

Photograph your signature on plain white paper in good light for the cleanest cutout

Upload a PNG or JPG of your signature

Supported: .png, .jpg, .jpeg

Removing background...

Cutting out ink from your photo

Signature cutout preview
Too much background left?
Keep more ink 200 Remove more paper
35
Softer Crisper ink

Stored only in your browser (localStorage). Not uploaded or tied to an account.

Page 1
Drag to move · corner handles to resize · top handle to rotate
Rotation: 0°
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Signature Notes
Electronic Signature: A visual representation of your signature placed on the PDF.
Draw / Type / Upload: Create a signature by drawing, typing a name, or uploading a photo — we remove the paper background automatically.
Resize & rotate: Drag corner handles to resize; use the top handle or rotate buttons to angle the stamp.
Readability: For typed signatures, tune ink strength, sharpness, and text weight. Uploaded photos have cutout and sharpness sliders.
Initials: Place a smaller initials stamp on individual pages, plus a full signature where needed.
Date: Optionally add an editable date next to the signature.
Multi-page: Add the same signature or initials to multiple pages before saving.
Privacy: Uploaded signature photos and cutouts are stored only as temporary files and deleted after processing (cleanup within ~10 minutes).
Note: This is a visual signature stamp, not a cryptographic digital signature.

Sign PDF Online Free — Draw, Type, Resize & Rotate Signatures

Add electronic signatures, initials, and dates to contracts, forms, and agreements without printing and scanning. PdfPeaks lets you draw, type, or upload a signature, then drag, resize from corner handles, rotate, and sharpen ink for crisp readability across multiple PDF pages.

How It Works

Upload the PDF, create a signature (draw, type, or upload PNG/JPG), tune readability with ink strength and sharpness controls, place stamps on one or more pages with drag/resize/rotate, then download the signed file. No account is required for standard use.

  • Step 1 — Upload: Open the PDF that needs a signature.
  • Step 2 — Create stamps: Draw, type, or upload your signature; adjust typed ink strength, sharpness, and weight — or cutout threshold for photo uploads; optionally enable a date stamp.
  • Step 3 — Place & download: Drag to position, resize from any corner, rotate with the top handle or buttons, add stamps to more pages, then save and share the signed PDF.

Security & Privacy

Document-security tools on PdfPeaks are built around confidentiality. When you use the PDF signing tool, your file travels over encrypted HTTPS/TLS and is handled only long enough to complete the security operation you requested on secure servers in isolated temporary storage. Uploaded files and outputs are not permanently stored, are not used to train machine-learning models, and are never sold or shared with third parties for marketing — we do not resell document contents. Temporary files are automatically removed after processing. For full details, see our Privacy Policy and Terms of Service.

Common Use Cases

Professionals, students, and everyday users rely on this tool for tasks such as:

  • Freelance: Return signed statements of work quickly.
  • Real estate: Initial disclosure pages and sign the final page from mobile.
  • HR: Complete onboarding forms with signature plus date.
  • Small business: Accept vendor agreements without fax or printing.
  • Personal: Sign permission slips, rental addenda, and school forms.

Tips for Best Results

Electronic signatures may not meet all jurisdictional requirements for every contract type — verify local rules for high-value agreements. This tool places a visual signature stamp (not a cryptographic digital signature). Pair with Protect PDF when sharing sensitive signed files. Scanned an ID first? Start with JPG to PDF / ID Card Scan, then sign the copy here. Supported format: PDF (.pdf); signature images PNG/JPG.

Related guides

Browse all PDF & image guides

Frequently Asked Questions

Yes, Sign PDF is completely free to use with no signup required.

Yes, uploaded PDFs are processed in temporary storage and deleted after processing. We do not sell your data.

The document uploader accepts PDF files (.pdf). You can also upload a PNG or JPG image of your signature (or initials) to place on the PDF.

Yes. Use the Upload tab to add a PNG or JPG of a handwritten signature, then place it on the page like a drawn or typed signature.

Yes. Drag any of the four corner handles to resize (aspect ratio stays locked). Use the top rotate handle, or the rotate left/right buttons, to angle the stamp. Rotation is saved into the downloaded PDF.

On the Type tab, use Ink strength, Sharpness, and Text weight. Typed stamps render at high resolution with transparent backgrounds so the ink stays crisp on the page.

Yes. After upload, adjust the cutout threshold (keep more ink vs remove more paper) and Cutout sharpness for crisper edges.

Yes. Switch to Initials for a smaller stamp (draw, type, or upload), and optionally turn on Add date stamp to place an editable date beside your signature.

Yes. Use the page thumbnails or previous/next controls to place the same signature and/or initials on multiple pages, then save once.

In many places, simple electronic signatures are accepted for everyday documents under laws such as the U.S. ESIGN Act, but requirements vary by document type and jurisdiction. Some documents (for example wills or certain real estate transfers) may need stricter formalities. This is general information, not legal advice — verify what your specific document and location require.

No. This tool places a visual signature stamp on the PDF. It is not a certificate-based cryptographic digital signature.

No. Everything works in your browser.

Optionally, yes — only on this device via your browser’s local storage. Nothing is uploaded or tied to an account unless you choose to save it locally.

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