Sign PDF Documents Online Free & Securely

Add legally valid electronic signatures, initials, dates, and text to contracts.

Upload your document, draw or type your electronic signature, position it on the target line, and download your signed PDF.

Signatures are placed client-side with zero exposure to external databases.

How it works

  1. Upload Contract — Choose the document that requires your signature.
  2. Create Signature — Draw using mouse/touchscreen, type your name, or upload an image.
  3. Apply & Save — Position the signature stamp on the page and download the finalized PDF.

Key features

  • Touch-Friendly Signature Pad — Draw smooth, natural signatures with stylus or finger.
  • Saved Signature Profiles — Store your signature securely in your local browser for rapid reuse.
  • Date & Initial Stamps — Easily attach date markers and initial boxes alongside signatures.

Sign PDF Documents Online Free & Securely: detailed guide

adding electronic signatures and completing routine approval workflows This page is designed for agreements, acknowledgements, approvals, forms, and internal business documents.

When this page is the right choice

Use this page when the requested PDF outcome matches the page intent and you want a focused operation without unnecessary format changes.

Who benefits from this workflow

agreements, acknowledgements, approvals, forms, and internal business documents can use this page when the goal is a specific, repeatable document outcome rather than a general PDF edit. Start with the smallest operation that solves the problem, then use a related PDF tool only when the output requires another deliberate step.

Adding electronic signatures and completing routine approval workflows: practical workflow

Start with the source document and define the exact output you need. Adding electronic signatures and completing routine approval workflows. Choose the relevant options, process the file, and inspect the result before replacing or sharing the original.

Before you process the document

Keep a copy of the original when the operation changes pages, text, structure, permissions, or file format. Confirm the intended output format and review the source for password protection, scanned pages, unusual fonts, tables, signatures, and other elements that may affect the result.

Quality checks before you finish

Before you finish, confirm signer identity, signature placement, date fields, and the final signed copy. Keep the original when the operation changes or replaces document structure, and verify the output in a normal PDF viewer when the document is important.

Common mistake to avoid

Assuming the tool can preserve every document feature without checking the output, especially with scans, tables, signatures, unusual fonts, or complex layouts. This is especially important when the PDF contains signatures, financial values, legal clauses, personal information, or other material that must remain accurate.

What to do after processing

Open the output and check the pages that matter most: the first page, a representative middle page, and the final page. For conversions, also inspect tables, images, links, headings, and page breaks. For security-sensitive operations, confirm that the intended protection or removal behavior actually works before distribution.

What to do next

Upload your document, draw or type your electronic signature, position it on the target line, and download your signed PDF. Add legally valid electronic signatures, initials, dates, and text to contracts. The page also supports touch-friendly signature pad, saved signature profiles, date & initial stamps as part of a broader document workflow.

Related PDF tasks

Edit PDF, Protect PDF, PDF Forms, Watermark, Rotate PDF, Page numbers, Crop PDF

Frequently asked questions

Are PDFSketch electronic signatures legally valid?

Yes, electronic signatures created with PDFSketch comply with standard ESIGN and eIDAS frameworks.

Can I sign on my mobile phone or iPad?

Yes, our signature pad is optimized for finger and stylus input on mobile devices.

Explore PDF topic hubs

Continue from this page into the broader PDF topic that matches your task.