Create a legally-binding electronic signature and add it to contracts, agreements, PDF forms, and other documents – regardless of your location. Collect and track signatures with ease using any device.
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Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
Note: Integration described on this webpage may temporarily not be available.
Last updated on
Sep 21, 2025
Upload a document
Generate your customized signature
Adjust the size and placement of your signature
Download, share, print, or fax your signed document
Every eSignature tool you need – inside a powerful PDF software
eSignature solution
Document tracking
Enhanced productivity
Custom branding
Security & compliance
eSign documents and collect signatures
Easily fill, edit, and sign your PDF documents in a single application, on any device.
Type, draw, or use a signature converter to create an eSignature from a picture of your handwritten autograph.
Create fillable PDFs and send them for signature to one or multiple recipients.
Set signer roles and customize a signing order.
Get visibility into the signing process
Receive instant alerts once signatures are in place.
Specify CC’d recipients and set actions upon document completion.
Monitor changes in your documents with audit trails.
Speed up your approval workflows
Send documents for signature faster by sharing them via short links.
Simplify data and signature collection by posting fillable PDF forms online.
Collect payments along with signed documents.
Showcase your branding when requesting signatures
Display your logo on signature invites, user notifications, and in the eSignature editor.
Customize an email message for your eSignature invites.
Redirect signers to your website once they complete your document.
Maintain industry-leading security and compliance
Authenticate signers via a password.
Make your document workflows compliant with industry-specific regulations, including HIPAA.
Secure the authenticity of a document with a unique ID.
Set an expiration date for your document.
Join the world’s largest companies
Employees at these companies use our products.
How to Add a Signature to PDF (and Send it Out for Signature)
Watch the video guide to learn more about pdfFiller's online Signature feature
pdfFiller scores top ratings in multiple categories on G2
4.6/5
— from 710 reviews
4.0
Loving it so far. Wish the search for documents in their library was easier to find, but other than that, I've been very happy with ease and quality.
cara
4.0
I use PDFfiller on an iMac which does not have Flash installed. The main problem I have is that some of the text I deleted in a PDF file using PDFfiller appears to remain in the file. After I save the file, exit PDFfiller, and reopen the file with PDFFiller, the text I deleted was actually deleted and no longer in the file. So these steps serve as my workaround to this bug in PDFFiller on computers without Flash.
I greatly appreciate the PDFfiller Help Team explains the reasons why the bug remains in the current version of PDFfiller, transitting from requiring Flash to not requiring it.
Furthermore, as a software engineer myself, I fully accept the reasons for this bug to remain in the current, transitional version of PDFFiller.
Thank you very much, the PDFfiller team.
Wan Chan
Wan C
Sign any document using pdfFiller’s eSignature service without hassle
Add your virtual signature in just a few simple steps – without a scanner or printer.
Upload
Upload your document to pdfFiller and open it in the editor.
Sign
Generate and save your electronic signature using the method you find most convenient.
Tweak
Resize your signature and adjust its placement on a document.
Retrieve
Save a signed, printable document on your device in the format you need or share it via email, a link, or SMS. You can also instantly export the document to the cloud.
Upload document
Why choose pdfFiller for eSignature and PDF editing?
Cross-platform solution
Upload your document to pdfFiller and open it in the editor.
Unlimited document storage
Generate and save your electronic signature using the method you find most convenient.
Widely recognized ease of use
Resize your signature and adjust its placement on a document.
Reusable templates & forms library
Save a signed, printable document on your device in the format you need or share it via email, a link, or SMS. You can also instantly export the document to the cloud.
The benefits of electronic signatures
Bid farewell to pens, printers, and paper forms.
Efficiency
Enjoy quick document signing and sending and reclaim hours spent on paperwork.
Accessibility
Sign documents from anywhere in the world. Speed up business transactions and close deals even while on the go.
Cost savings
Eliminate the need for paper, printing, scanning, and postage to significantly cut your operational costs.
Security
Protect your transactions with advanced encryption and audit trails. Electronic signatures ensure a higher level of security than traditional signatures.
Legality
Electronic signatures are legally recognized in most countries around the world, providing the same legal standing as a handwritten signature.
Sustainability
By eliminating the need for paper, electronic signatures contribute to environmental sustainability.
Enjoy straightforward eSignature workflows without compromising data security
Regulates the use and holding of personal data belonging to EU residents.
SOC 2 Type II Certified
Guarantees the security of your data & the privacy of your clients.
PCI DSS certification
Safeguards credit/debit card data for every monetary transaction a customer makes.
HIPAA compliance
Protects the private health information of your patients.
CCPA compliance
Enhances the protection of personal data and the privacy of California residents.
Check Photo Resolution Feature
Ensure your images display beautifully with our Check Photo Resolution feature. This simple tool allows you to quickly assess the resolution of your photos before using them, saving you time and effort.
Key Features
Instant resolution analysis
User-friendly interface
Supports various image formats
Detailed resolution metrics
High-resolution alerts
Potential Use Cases and Benefits
Preparing images for print to avoid pixelation
Selecting high-quality photos for online sharing or marketing
Ensuring images meet specifications for websites or portfolios
Streamlining the editing process by identifying resolution issues early
Enhancing the overall quality of digital presentations
By using the Check Photo Resolution feature, you can be confident that your images meet the necessary quality standards. This tool helps you avoid the frustration of low-resolution images and ensures your visuals look sharp and professional in any context.
Instructions and Help about Check Photo Resolution For Free
Check Photo Resolution: simplify online document editing with pdfFiller
As PDF is the most popular document format in business, using the best PDF editing tool is vital.
All the most commonly-used document formats can be easily converted into PDF. You can create a multi-purpose file in PDF instead of keeping its content in different file formats. That’s why the Portable Document Format ideal for comprehensive presentations and reports.
Many solutions allow you to edit PDFs, but there are only a few to cover all use cases at a reasonable price.
Use pdfFiller to annotate documents, edit and convert them into many other file formats; fill them out and add a digital signature, or send out to other users. All you need is in the same browser tab. You don’t have to install any programs.
Use one of these methods to upload your form template and start editing:
01
Upload a document from your device.
02
Find the form you need in the template library using the search.
03
Open the Enter URL tab and insert the path to your sample.
04
Upload a document from the cloud storage (Google Drive, Box, Dropbox, One Drive and others).
05
Browse the Legal library.
Once the document is uploaded, it’s saved and can be found in the “My Documents” folder.
Use powerful editing features such as typing text, annotating, blacking out and highlighting. Add fillable fields and send documents to sign. Change a template’s page order. Add images into your PDF and edit its appearance. Ask other people to complete the fields. Once a document is completed, download it to your device or save it to the third-party integration cloud.
How to Use the Check Photo Resolution Feature
The Check Photo Resolution feature in pdfFiller allows you to easily determine the resolution of an image in your PDF document. Follow these steps to use this helpful feature:
01
Open the PDF document that contains the image you want to check the resolution of.
02
Click on the 'Tools' tab located at the top of the page.
03
In the 'Tools' menu, click on the 'Check Photo Resolution' option.
04
A pop-up window will appear, displaying the selected image and its resolution.
05
To check the resolution of a different image in the document, simply click on it.
06
You can also zoom in or out on the image using the zoom controls provided in the pop-up window.
07
Once you have checked the resolution of the image, you can close the pop-up window by clicking the 'Close' button.
By following these simple steps, you can easily check the resolution of any image in your PDF document using the Check Photo Resolution feature in pdfFiller. This feature ensures that your images are of the desired quality and resolution, allowing you to create professional-looking documents.
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For pdfFiller’s FAQs
Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
On a Windows computer, simply right-click on your JPEG file and select “Properties”. Next, select “Details”. Under “Details” you can see your image resolution. On a Mac computer, simply right-click or Ctrl+click on your JPEG file and select “Get Info”.
How do I know if my image is 300 DPI?
On Windows, find the image in File Explorer, right-click on it and choose Properties from the menu. There, click the Details tab and look for Vertical resolution and Horizontal resolution in the list, which will show you the image's DPI.
What size is a 300 DPI image?
Since the resolution is 300 dpi, it means that each inch is 300 pixels across. As the image is 8 inches wide that means there are 2,400 pixels in width (8 x 300). Likewise, as the image is 12 inches long, the image is 3,600 pixels in length (12 x 300).
How do I find the DPI and resolution of an image?
Open File Explorer and navigate to your image. Right-click on the image file and select Properties. Click the Details tab at the top bar. Scroll down to find image Dimensions and the DPI Resolution.
How do I find out the resolution of a photo on my Iphone?
0:10 1:39 iPhone 13/13 Pro: How to Check For a Photo/Video File Size or Resolution YouTube Start of suggested clip End of suggested clip Is 4032 by 3024 pixel and that is how you can get. The file size or the resolution size for aMoreIs 4032 by 3024 pixel and that is how you can get. The file size or the resolution size for a picture. Now you can do the same for a video.
Ready to try pdfFiller's? Check Photo Resolution
Upload a document and create your digital autograph now.
