Sign PDF
Add your signature to any PDF — draw, type, or upload.
Drop PDF here or click to browse
Single file · Max 100.0 MB · Works fully in your browser
How it works
- 1
Upload the PDF you need to sign.
- 2
Create your signature: draw, type, or upload an image.
- 3
Place and resize the signature on the page, then download the signed PDF.
About Sign PDF
Sign PDF adds your signature to a document without printing, signing on paper, and re-scanning. Draw a signature with your mouse or finger, type your name in a script-style font, or upload an image of an existing signature, then place and resize it anywhere on the page. This covers the everyday case of approving an agreement, acknowledging a form, or countersigning a document — it's not a certificate-based digital signature with cryptographic verification, so for signatures that require legal digital-certificate validation, check what your specific use case requires.
Read the full Sign PDF guide →When to use Sign PDF
When to use this
Use Sign PDF when you need a fast, browser-only fix for a common PDF task without installing software or uploading files to a server.
Search intent
Before vs after
Before
You have a document that needs a quick change, but the workflow is blocked by file size, formatting, security, or organization issues.
After
The PDF becomes ready for sharing, submission, printing, or archival with the exact changes you needed without leaving the browser.
Common mistakes
- ! Skipping a quick preview before downloading the final file.
- ! Not checking the output on a real device before sending it to a colleague or portal.
- ! Using the wrong tool for the job because local PDF editing and conversion are not interchangeable.
Compared with alternatives
This stays local to your browser, which is safer for confidential documents than cloud-only alternatives.
It is faster for repetitive work because no signup, installation, or server wait time is required.
It is a practical option for everyday PDF fixes without paying for a full desktop suite.
Why people choose Sign PDF
Private by default
Everything runs locally in the browser. No upload, no cloud relay, and no account needed.
Fast enough for real work
Most common PDF jobs finish in seconds without waiting for a server queue or external app.
Built for everyday tasks
Students, freelancers, and teams rely on this for forms, contracts, reports, scans, and shared documents.
Common ways people use Sign PDF
Sign a rental agreement or freelance contract sent as a PDF
Countersign a form that a colleague or client already signed
Add an approval signature to an internal document
Place a consistent signature image across multiple documents
Why use EssentialPDFTool?
100% Private
All processing happens in your browser. Files are never uploaded to any server.
No signup required
Use the tool instantly — no account, no email, no credit card needed.
Works everywhere
Runs on any device with a modern browser — desktop, tablet, or mobile.
No quality loss
Direct PDF manipulation preserves fonts, images, and vectors at original fidelity.
Frequently asked questions
Is this a legally binding e-signature?
Drawing or typing your signature constitutes an intent to sign. For legally binding contracts, consult your jurisdiction's e-signature laws.
Can I save my signature for reuse?
Yes. Your signature is saved in your browser's local storage for quick reuse in future sessions.
Can I add a date or initials too?
Yes. The tool includes options to add a date stamp and initials separately from your main signature.
Is my signature stored anywhere?
No. Signatures are stored only in your browser's local storage and never sent to any server.
Can I sign multiple places in one document?
Yes. Add as many signature, initial, and date fields as needed across all pages.