Sign PDF Online Free
Draw, type, or upload your signature and place it on any page. Optional name and date fields — all processed locally.
Signature Settings
Visual Signature Stamp
This adds a visual signature image to your PDF. It is not a cryptographic digital certificate — ideal for contracts, forms, and everyday documents.
Electronically sign PDF files in seconds
Sign PDF documents online without uploading them to a cloud service. Draw your signature with a mouse or trackpad, type it in a script font, or upload a PNG image, then place it precisely on any page. Add your printed name and date for a complete signing workflow.
BrainyPDF lets you electronically sign PDF files with full privacy — contracts and agreements stay on your device throughout. No account, no per-document fees, and no waiting for server processing.
After signing, protect PDF with a password, compress PDF for email, or merge PDF files into a single packet for submission.
Fill and sign PDF without software
Digital signature PDF tool — no account
How to sign a PDF document online
Add your electronic signature to any PDF — draw, type, or upload an image. Place signatures on any page with optional name and date fields. No account required, no file upload to servers.
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Upload the PDF to sign
Drop your contract, form, or agreement into the workspace. Preview every page before signing.
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Create your signature
Draw with your mouse or trackpad, type your name in a script font, or upload a PNG signature image.
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Place and configure
Position the signature on the target page. Optionally add your printed name and the signing date.
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Download the signed PDF
Click Sign PDF to embed your signature and save the completed document to your device.
BrainyPDF processes every file locally in your browser. No uploads, no cloud storage, no account required — a privacy-first alternative to server-based PDF tools.
Free PDF signer — frequently asked questions
Answers about signing PDF documents online for free, e-signatures, legality, and related PDF tools.
How do I sign a PDF for free online?
Upload your PDF, create a signature by drawing, typing, or uploading an image, place it on the target page, and click Sign PDF. BrainyPDF embeds your signature locally — free with no account or server upload.
How do I electronically sign a PDF document?
Draw your signature with a mouse or trackpad, type it in a script font, or upload a PNG image. Drag the signature onto any page, optionally add your name and date, then download the signed PDF.
How do I digitally sign a PDF without software?
Open BrainyPDF in any modern browser, upload your PDF, and create your signature in the sidebar. Place it on the page and click Sign PDF — no desktop app or browser extension required.
How do I sign and date a PDF for free?
Enable the name and date fields in the sidebar when placing your signature. BrainyPDF stamps your printed name and signing date alongside the signature on the exported PDF.
Is it free to e-sign a PDF online with no account?
Yes. BrainyPDF is a completely free PDF signing tool with no sign-up, subscription, or per-document fee. Sign unlimited PDFs without watermarks on your output.
Do I need an account to sign a PDF?
No account is required. Upload your PDF, create and place your signature, and download the signed file immediately. No email registration or login wall.
Is signing a PDF online safe — are files uploaded?
Your files are never uploaded. BrainyPDF processes signatures entirely in your browser, so contracts and agreements stay on your device. To redact sensitive fields first, try the free redact PDF tool.
How do I sign a PDF on iPhone or Mac?
Open BrainyPDF in Safari or Chrome on your iPhone, iPad, or Mac. Draw your signature with your finger or trackpad, place it on the page, and download — no app installation needed.
Is an electronic signature on a PDF legally valid?
Electronic signatures are widely accepted for many business and personal documents, but legal requirements vary by jurisdiction and document type. This free tool adds a visual signature to your PDF — consult legal counsel for regulated agreements.
Can I sign a PDF without creating an account?
Yes. BrainyPDF requires no registration, email, or subscription. Open the sign tool, upload your PDF, and download the signed document in seconds with complete privacy.