How to Sign a PDF Online — Free eSignature Guide (2026)

1. Open: Go to ToolsArena PDF Signer
2. Upload PDF: Click "Choose File" or drag and drop your document
3. Create signature: Choose one of three methods:
   • Draw: Use mouse or finger to draw your signature
   • Type: Type your name and choose a signature font
   • Upload: Upload an image of your handwritten signature
4. Place signature: Click where you want the signature on the PDF
5. Resize and position: Drag to adjust size and exact placement
6. Download: Save your signed PDF

On Desktop (Windows/Mac)

Use mouse to draw signature, or type + choose font. Best precision on desktop.

On iPhone/iPad

Open Safari → ToolsArena PDF Signer → use finger or Apple Pencil to draw. Feels natural and produces smooth signatures.

On Android

Open Chrome → ToolsArena → draw with finger on touchscreen. Works on any Android phone or tablet.

Yes — electronic signatures are legally valid in most countries:

Exceptions: Some documents (wills, notarized documents, court orders) may require wet ink signatures depending on jurisdiction.

• Use a stylus or Apple Pencil for the most natural-looking drawn signature
• Draw larger than needed: Shrink down for cleaner result (scaling down looks better than scaling up)
• Blue ink color: Use blue instead of black to clearly distinguish signature from printed text
• Consistent signature: Use the same signature style across all documents
• Add date: Many forms require a date alongside the signature
• Save your signature: ToolsArena lets you save and reuse your signature for future documents

For personal use (signing forms, agreements, applications), ToolsArena is all you need. For business contracts requiring audit trails and multi-party signing, consider DocuSign.