Free Signature Generator

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PDF Signature Generator

Create your signature once, sign every PDF forever. The transparent PNG output is made to sit perfectly on PDF pages in Acrobat, Preview and online editors.

✓ Free forever ✓ No sign-up ✓ Runs in your browser ✓ Instant download

Your signature will appear here — just type your name above

100% free · No sign-up required · Transparent PNG download

How to Create a Signature for PDF

Three steps and about a minute — from blank page to a signature that drops perfectly into any PDF.

01

Generate Your Signature

Type your name, pick a font or draw it — or let the AI build a designer-grade signature. Takes under a minute.

02

Download the Transparent PNG

One click gives you a crisp PNG with a fully transparent background — no white box, no cleanup needed.

03

Drop It Into Your PDF

Open the PDF in Acrobat, Preview or any editor and place your signature exactly where it belongs. Done — no printer involved.

Example PDF Signature Use Cases

See how a generated signature sits naturally on real document types.

Business Contract
Sign here
John Carter
12 / 08 / 2026
Freelance Invoice
Sign here
Sofia Reyes
12 / 08 / 2026
Rental Agreement
Sign here
Emma Collins
12 / 08 / 2026

Why Use a Dedicated Signature for PDF

The print-sign-scan routine is over. Here is the difference:

The Old Way 😩
  • Print, sign, scan, crop — for every single document
  • Scanned signatures come out blurry or with grey boxes
  • Impossible on your phone — you need a printer and a scanner
  • Every signature looks slightly different
With This Tool ✨
  • One signature, reusable forever — create once, sign everything
  • Crisp transparent PNG that floats cleanly on any page
  • Works on phone, tablet and desktop — no printer needed
  • Consistent, professional mark every single time

Best Use Cases for PDF Signatures

Anywhere a PDF needs your mark, this signature fits right in.

📄

Legal Contracts

Sign NDAs, service agreements and partnership contracts without printing a page.

🧾

Invoices & Receipts

Approve invoices, quotes and receipts with a clean, professional mark.

🏛

Tax & Government Forms

Fill and sign official forms the way authorities expect — neat and legible.

🏠

Rental Agreements

Landlords and tenants sign leases in minutes, fully remotely.

💼

Job Offer Letters

Accept offers and onboard documents the same day you receive them.

Client Approvals

Sign off proofs, designs and change requests with one reusable signature.

Best File Format for Signatures in PDF Documents

Not every image format behaves the same inside a PDF — here is the honest breakdown:

Recommended

Transparent PNG

The signature floats on the page with zero background — exactly what this tool exports by default. Crisp at any zoom.

JPG

Fine for flat white pages, but a white box appears over colored areas or letterheads. Use only for quick drafts.

SVG

Infinite scaling and tiny size, but most PDF editors do not accept SVG drops — great for designers, awkward for daily use.

Placing Your Signature So the Page Reads as Signed

Placement is what separates a convincing signed page from a floating sticker. One set of rules covers it.

A

Full signature goes where the page asks for it. Sit the bottom of the mark right on the signature line, around 40 to 60 mm wide at real size, like a good pen would leave it. Anything floating above the line reads as pasted even when it looks tidy.

B

Never cover printed words. If your PNG sits on top of body text, someone reviewing the page will question it. Give the signature its own clear space, beside the date or in the reserved field.

C

Long documents get initials on inner pages. A small set of initials in a bottom margin corner shows every page was read rather than only the last one. It also protects you if a page were ever swapped after signing.

The Same Workflow on Any Device

You never need to sync a file to a computer first. The whole loop runs in whatever browser is already open.

🍎

iPhone and iPad

Download the PNG in Safari, open your PDF in Markup or the Acrobat app, and place the image on the line. Greenfield finger drawing in Markup works too if you prefer to scribble.

🤖

Android

The free Acrobat Reader app and Google Drive's annotator both accept inserted images on the page. The file from this generator imports cleanly into either one.

💻

Desktop and browser

Preview on Mac, Acrobat on Windows, or browser editors like Xodo and PDFescape all treat your transparent PNG the same way. No app installs stand between download and signed file.

Once you have run the loop once, a full round trip rarely takes more than a minute.

The Three Levels of Signing a PDF

Not every signed PDF is built the same way. Knowing which level your document actually wants saves you from overbuying software or underestimating a form.

L1

An image placed on the page

This is what the tool on the left makes. A transparent PNG of your mark rests on the document surface like a stamp, and it covers agreements, approvals, letters and the daily paperwork between people who already communicate normally.

L2

A form field built into the PDF

Some forms ship with an empty signature box their author created in Acrobat. Open the file in any editor with Fill and Sign, drop the same PNG into that field, and the document records it against the field cleanly. Same image, smarter container.

L3

A certified, cryptographic signature

Regulated filings, vendor-managed workflows and many government submissions expect an audit trail through DocuSign, Adobe Sign or a comparable platform. That signing kind goes beyond what a PNG can do, and it comes with its own account and verification steps. Everyday paperwork almost never needs it.

Most people reading this page need L1 or L2. If your recipient sent you their own signing link, use theirs and keep the PNG for everything else.

Designed for PDFs

True Transparency

The PNG background is fully transparent — your signature floats cleanly on the page.

4x Resolution

Crisp even when zoomed or printed — no blurry signatures.

Any Style

Typed fonts, AI artistic designs, or your own handwriting via Draw mode.

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Verified User Reviews — What Real People Say

These reviews come directly from users on Trustpilot and ProductHunt. We don't edit them — you read exactly what they wrote.

Frequently Asked Questions

Have more questions? Contact us support@freesignaturegenerator.org

Your Signature. Your Style. Create It Free Today.

Type your name or draw it on the pad. Pick a style that fits. Download your signature in seconds — free, no account needed.

Create My Free Signature

No sign-up · No watermark · Free forever