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Online Digital Signature Maker

Try our free online digital signature maker and creator tools. They let you create transparent signatures that you can use in PDF and Word documents, remove the background from signatures, convert JPG signatures to PNG signatures, change signature color, rotate signatures, and more!


How to use Signature Tools?
Step 1

Click on a tool below & upload your signature

Step 2

Adjust settings

Step 3

Download a revised signature


Convert a JPG Signature to a PNG Signature

Our signature converter lets you quickly and easily convert a signature from the JPG format to a signature in the PNG format.

Remove PNG Signature Background

Our PNG signature background remover lets you quickly and easily remove the background from a PNG image of a signature.

Remove JPG Signature Background

Our JPG signature background remover lets you quickly and easily turn a non-transparent JPG photo of a signature into a transparent image that you can use to sign documents.

Add PNG Signature Background

Our PNG signature background adder lets you quickly and easily convert a transparent PNG signature into a non-transparent signature filled with a color of your choice.

Change Signature Color

Our signature color changer lets you quickly and easily change the color of a signature from let's say blue to black or from green to blue.

Rotate a Signature

Our signature rotator lets you quickly and easily change the orientation of a signature and rotate it at any angle in any direction.

Resize a Signature

Our signature resizer lets you quickly and easily change the size of a signature and make it bigger or smaller.

Crop a Signature

Our signature cropper lets you quickly and easily remove excess space around a signature or extract a single signature from multiple signatures written on the same page.

Create a Black-and-White Signature

Our black-and-white signature maker lets you quickly and easily remove all colors from a signature and convert it to a signature written in black ink.

Clean up Signature Edges

Our signature edge cleaner lets you quickly and easily refine the edges of a signature and clean up all dirty pixels around it.

Improve a Low-quality Signature

Our signature quality improver lets you quickly and easily fix a low-quality electronic signature and improve its visibility, color, and thickness.

Make a Signature Thicker

Our thick signature maker lets you quickly and easily increase the thickness of an electronic signature and make it bolder and more visible.

Make a Signature Thinner

Our thin signature maker lets you quickly and easily reduce the thickness of an electronic signature and make it slimmer and more elegant.

Add Signature Background

Fill in the background of a transparent PNG signature with the solid color of your choice. For example, white is preferred for digital documents.

Remove Signature Background

Delete the solid color or gradient background of a PNG signature to make it transparent. Then, overlay it onto a document with ease.

PNG Signature to JPG Signature

Convert a transparent PNG signature to a JPG signature. Choose the quality of the JPG signature and the color of its background. This tool also reduces and optimizes the file size.

Extract Signature from Image

Cut out the signature from a photo or scanned PNG image. Change it to the color of your choice, crop it or make it smooth. Then, overlay the signature on top of your PDF or Word document.

Handwritten Signature to Digital Signature

Upload a picture or scan of a handwritten signature and convert it into a digital PNG signature. Choose the color of the signature and the background. Crop, refine or bold, as well.

Transparent Signature Maker

Convert the background of a scanned PNG signature from a solid color to transparent to isolate the signature from the background. You can then use it to sign electronic documents.


Frequently Asked Questions

As more and more businesses are going fully digital, Digital Signatures are used more and more often. For example, after receiving goods from a delivery service or buying goods online, you may be required to sign an online form that confirms that you really received them. Or, another example is executing documents electronically and signing online contracts. A Digital Signature is a confirmation that you have accepted the delivery of a product or service, or that you have read a document and agree to it. Almost always a Digital Signature is accompanied by your name and a date when you used it.

We keep a counter that shows us how many times each of our tools has been used. We just checked and it turns out the most popular tool is the Remove PNG Signature Background tool, which is used several hundred thousand times each month, the next one is the Change Signature Color tool with nearly one hundred thousand uses per month, and then the Convert a JPG Signature to a PNG Signature with fifty thousand uses per month. The rankings often change as users often send us ideas for new tools that we hadn't thought of and when we create them, they quickly get popular.

When you use our Digital Signature tools, your signature is not uploaded to our servers. Everything that you do in our tools is 100% anonymous as all tools work in your browser on your computer (via JavaScript and HTML5 canvas) and the images that you work with aren't sent to our servers for processing. As we like to say – what happens on your computer (or mobile device) stays on your computer.

The number of people who use Digital Signatures is growing exponentially. Everyone is now working with digital documents and as our tools are so simple to use, they are quickly becoming very popular. Our Digital Signature Maker and other our products are now used by millions of people every month, including governments, states, cities, banks, universities, and Forbes 100 companies.

A PNG signature with a transparent background is necessary for official documents because a signature with a solid background will not be accepted if it blocks text. The Transparent Signature tool removes an opaque, colored background and converts the signature to a PNG file with a transparent background. The PNG format allows the signature to be overlaid neatly onto digital documents.

Each file format, such as PNG or JPG, is best suited for a specific application. JPGs are more compressed, resulting in a smaller file size that loads quickly. PNGs are used for web graphics where a transparent background is required. Whether you need to convert your JPG to a PNG or PNG to a JPG, Online PNG Signature tools make it easy to transfer from one format to another. Then, export or copy to the clipboard.

With our color tool, you can change your PNG signature’s color to another color of your choice. Red signatures are unacceptable for IRS, bank and legal documents, but it’s easy to turn them black. Select the color tool and upload your red PNG signature. Choose black as the new color and download a signature that is approved for business use.

Or a blue signature would look better in your design than the existing green PNG signature. Simply upload the green signature to the color tool, select your preferred shade of blue, and preview it. When you’re happy with the new color, convert the signature from green to blue and download a signature that complements your art.

When a fine pen is used to write a signature, it may not scan well or be acceptable for legal or compliance purposes. The PNG Thicker Signature tool bolds the script, making it clear and readable. Choose how wide the signature should be and if it should appear on a transparent or colored background to stand out.

Crop close to the signature. Smaller dimensions result in a compact file size. You can also transform your PNG file into a JPG file. Adjust the quality level to resize the file and optimize it for web uploads or PDFs.

A slanted signature could hide important text on a digital document. Instead, upload your PNG to the Rotate Signature tool. Adjust the angle of rotation until the signature is horizontal, and then, it will fit on the dotted line.

Some people sign their names in large letters, which means that their digital signatures may not fit in the allotted space on a digital document. Using the Resize PNG signature tool, adjust the oversized image to the desired height and width and shrink it to the correct proportions.

Signing your name with your finger on a device produces a digital image with a pixelated outline. The edges don't look great, and the signature might not be acceptable for a digital document. Instead, upload your PNG signature and adjust the quality or smooth the rough edges for a professional result.

Scanned or photo PNG signatures often appear heavier and darker than they would if you signed your name with a pen on paper. Thinning or refining the lines restores a more natural, handwritten appearance.

Security is essential because stolen signatures can be used for financial fraud and identity theft. All our signature tools allow you to change your PNG signature directly in your browser, which can be copied to the clipboard or downloaded. Signatures are never saved to our servers for your protection.


Use cases

Legally Valid

Every legal firm must verify the authenticity of signed digital documents to ensure their integrity and the enforceability of agreements. When a law firm receives a signed PDF contract, they extract the digital signature to analyze the certificate data, timestamp, and encryption, verifying the signer’s identity and ensuring the document’s validity. Extracting PNG signatures is crucial for ensuring legal compliance and protecting the interests of all parties.

Dream Apartment

Mallory is signing a digital lease for her new place in the city. She’s almost finished when she realizes she needs a signature to submit the paperwork. The problem is that she doesn’t have a digital signature, so she writes her name in pen on a piece of paper and takes a photo of it. When she crops and pastes her signature on the lease, she realizes that the background is solid white, which blocks part of the text. With the Handwritten to Digital Signature tool, she can upload her PNG signature photo, make the background transparent and download it to use on the lease.

Make it Clear

Doctor handwriting is notoriously hard to read. While medical records are digitized and don’t require a signature, doctors sign many other documents where legibility is essential, such as non-disclosure agreements (NDAs), malpractice insurance forms, committee reports, and more. A scanned, low-resolution signature of an already hard-to-read scribble will not meet security or legal requirements, but there is a quick fix. Upload the signature to the PNG Low-quality Signature tool and adjust the width, color, and edges to ensure it’s crisp and legible.

Academic Achievement

Liam is applying for a research grant online and must provide a signature for the cover letter, application and supporting documentation. He already has a JPG electronic signature, but the application software requires a transparent PNG signature. Unlike getting a grant, switching formats is easy. Using the JPG to PNG tool, Liam can upload his digital JPG signature, convert it to a PNG signature, and then copy and paste it into the desired location. Problem solved!

Artful Autographs

A Hollywood print shop is preparing to run a batch of signed promotional photos when the pre-press manager notices that the star’s signature is not very visible against the photo. Unfortunately, the original autograph was signed with a gold marker. To make the signature stand out, the manageradds a background, transforms the signature from gold to black and then gives her approval to run the job.


Our Users and Customers

Browserling and our online tools are used by millions of users every month, and our customers include governments, states, cities, banks, stock exchanges, universities, newspapers, Forbes 100, Forbes 500 companies, and private multi-billion dollar companies.


If you like our tools, please consider getting a premium plan.

Premium Plan

  • Commercial use allowed
  • No ads (ad-free!)
  • Unlimited uses per day
  • Combine multiple tools together
  • Instant download
  • Single user license

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Created with love by

We're Browserling — a friendly and fun cross-browser testing company powered by alien technology. At Browserling we love to make people's lives easier, so we created this collection of online PNG tools. We created the simplest possible user interface for our tools and they are now used by millions of users every month. Behind the scenes, our online PNG tools are actually powered by our web developer tools that we created over the last couple of years. Check them out!

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