How to Fill and Sign PDF Forms

Updated December 2025 • 5 min read

Need to fill out a PDF form and sign it? This guide shows you how to complete any PDF form online - add text, checkmarks, dates, and your signature without printing a single page.

Fill and Sign PDF Online - Step by Step

Step 1: Upload Your PDF Form

Go to Signatly's Fill and Sign tool and upload your PDF. Drag and drop or click to browse your files.

Step 2: Add Text to Form Fields

Click on any text field and start typing. You can add your name, address, phone number, and any other required information.

Step 3: Add Checkmarks and Dates

Use the toolbar to add checkmarks (✓) to checkbox fields and insert dates. You can also add X marks where needed.

Step 4: Add Your Signature

Click the signature tool and create your signature. Type it, draw it, or upload an image. Place it on the signature line.

Step 5: Download Completed Form

Click download to save your completed and signed PDF form.

What You Can Add to PDF Forms

Common PDF Forms You Can Fill

Fill and Sign Any PDF Form

Free online tool - no software download needed.

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FAQ

Can I fill non-fillable PDFs?

Yes! Even if a PDF doesn't have built-in form fields, you can add text anywhere on the document.

Is this free?

Yes, Signatly's fill and sign tool is completely free to use.