Sign PDF
Add a visible signature to PDF files online. Draw, type, or upload your signature, place it on the right page, and save the finished document in your browser.
Or drop .pdf file(s) here.
Related PDF tools
Use these related internal tools when your workflow needs more than signing. They help you prepare, secure, and optimize the final document.
Protect PDF
Add a password after signing when you want to limit access to the final file.
Merge PDF
Combine multiple PDFs into one packet before signing and sending.
Edit PDF
Update text or make quick edits before you place signatures.
Watermark PDF
Add labels like approved, draft, confidential, or paid to finished files.
Flatten PDF
Preserve visual elements and annotations in a cleaner final document.
Compress PDF
Reduce file size after signing so the document is easier to email or upload.
How to use the Sign PDF tool
The workflow is simple. Upload the file, prepare the signature, place it where needed, then save the signed PDF. The extra download button appears beside the main action after the document is ready.
Upload PDF files
Select one or more PDF files or drag and drop them into the upload area to start the workspace.
Create a signature
Draw your signature, type your name in a signature-style font, or upload a PNG or JPG signature image.
Use and place the signature
Click Use This Signature, then click the document to place one signature. Repeat if you need another stamp.
Save and download
Save the signed PDF. Once processing finishes, a download button appears beside the main action in the workspace toolbar.
Features and functions
This page is built around a browser-based PDF signing workspace. It is designed for fast visible signing with practical page controls before export.
Draw, type, or upload a signature
Choose the signature format that matches your workflow and device.
Page-by-page signing
Open a page, prepare the signature, and place it exactly where you want it.
Page organization tools
Reorder pages by drag and drop, rotate pages, or remove pages before export.
Custom output filename
Rename the signed document before saving so it is easier to identify later.
Multiple file input
Upload more than one PDF and build a single signed output in the order you choose.
Browser-based export
The final result is a signed PDF file that can be downloaded once processing is complete.
Common use cases
This Sign PDF tool is useful for contracts, approvals, forms, and everyday paperwork where a visible signature is enough.
Contracts and agreements
Add a signature to proposals, NDAs, service agreements, and approval forms.
Business documents
Handle letters, invoices, vendor paperwork, and internal document approvals faster.
Remote work and mobile signing
Sign documents from a browser without printing, scanning, or switching to desktop software.
Privacy note
This tool works in the browser and is built for quick signing workflows. As with any document tool, avoid using shared devices for sensitive files unless you trust the environment and clear your downloaded files afterward.
Important limitation
This tool adds a visual signature. It does not apply a certificate-based cryptographic digital signature. That distinction matters for workflows that require PKI or formal certificate validation.
Frequently asked questions
These answers cover the most common questions users have before signing a PDF online.