Sign PDF Online — Add Your Signature Free
Sign PDF documents online for free. Draw, type, or upload your signature and place it anywhere on your PDF. 100% browser-based — no signup needed.
Sign any PDF document online for free — no signup, no watermarks, no software to install. PDFFlare lets you draw, type, or upload your signature and place it anywhere on the page, all directly in your browser. Your files never leave your device.
Whether you need to sign a contract, permission slip, application form, or any other document, this tool makes it fast and easy. Choose from ten handwriting fonts for a professional look, or draw your own signature freehand. Resize and drag to position precisely where you need it.
After signing, you can compress the signed PDF for email, or password-protect it for extra security. Need to combine multiple signed pages? Merge PDFs into a single file.
Drop your PDF file here
PDF files up to 100 MB
How to Sign a PDF
Upload your PDF document
Click the upload area or drag and drop a PDF file. Any standard PDF is supported.
Create your signature
Choose how to create your signature: draw it with your mouse or finger, type your name and pick a handwriting font, or upload a signature image.
Position your signature
Drag your signature to the exact position on the PDF page. Use the corner handle to resize it. Navigate between pages for multi-page documents.
Download your signed PDF
Click 'Sign & Download PDF' to save the document with your signature embedded. Optionally add a date below the signature.
When Do You Need to Sign a PDF?
Contracts and agreements: Freelancers, small businesses, and individuals regularly need to sign contracts, NDAs, and service agreements. Upload the PDF, add your signature, and send it back — no printing or scanning needed.
HR and employment forms: Offer letters, tax forms, and onboarding documents often arrive as PDFs. Sign them digitally and return them to your employer or HR department in minutes.
Rental and lease agreements: Landlords and tenants can sign lease documents without meeting in person. Each party signs on their own device and shares the completed PDF.
School and permission forms: Parents can sign permission slips, medical consent forms, and school documents directly from their phone — no printer required.
Why Use PDFFlare to Sign PDFs?
Three Signature Methods
Draw your signature freehand, type your name with a handwriting font, or upload an existing signature image. Choose the method that suits you best.
Precise Placement & Resizing
Drag your signature to the exact position on the page. Resize it using the corner handle while maintaining proportions.
100% Browser-Based
Your PDF files never leave your computer. Everything runs in your browser using pdf-lib — no server uploads needed.
No Signup Required
Start signing immediately — no account, no email, no watermarks. Just drop your file and go.