Add Signatures into PDF on Linux For Free
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.
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Generate your customized signature
Adjust the size and placement of your signature
Download, share, print, or fax your signed document
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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
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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
GDPR compliance
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.
Add Signatures into PDF on Linux
Adding signatures to PDFs on Linux simplifies document management. With this feature, you can easily sign, validate, and share your important documents, ensuring authenticity and compliance.
Key Features
Support for multiple signature formats
User-friendly interface for easy navigation
Integration with popular PDF viewers
Fast processing of documents
Security options to protect your signed files
Potential Use Cases and Benefits
Signing contracts and agreements quickly
Validating transactions in a secure manner
Enhancing collaboration with team signatures
Streamlining legal document workflows
Providing proof of approval for business proposals
This feature solves your problem by providing a seamless way to sign PDFs on Linux. You can eliminate the hassle of printing, signing, and scanning documents. Instead, simply add your signature digitally and keep your processes efficient and eco-friendly.
How to Add Signatures into PDF on Linux
Learn to manage PDF documents in a matter of clicks on Linux.
01
Open your preferred browser and go to the pdfFiller website.
02
Sign up for a free account to be able to use the Add Signatures into PDF on Linux feature for Linux.
03
You can also upload a file from pdfFiller's library or from a cloud storage service.
04
In the opened document, use the top toolbar’s tools to insert, replace, or highlight/blackout text and place new shapes.
05
Change your pages' order, attach new pages, or remove them.
06
To make your sample interactive and allow a recipient (the green button above the red one).
07
Check your document once more to make sure it looks like you want it.
08
Click Done to close the editor and apply the changes.
09
Open the Documents folder instead of Dashboard, select a few docs. Then, select More > Merge to create a new file.
10
Send the document to a recipient(s) with one of the available options or save the file in a needed format by clicking Save As.
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.
What if I have more questions?
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How to validate digital signature in PDF Linux?
Open the file with acroread, the password is the ZIP of the city. Click on the question mark, a window with title “Signature Validation Status” opens. Click “Signature Properties” to open the window with the same title. Click “Show Certificate” to open the certificate window.
How do I add a digital signature to a PDF in Ubuntu?
5 Answers Choose "Annotate PDF" from the File menu and select the PDF to sign. Click the "Image" button in the toolbar. Click on document. Select an image of your signature. Optional: export to PDF so you have a new copy.
How do I annotate a PDF signature in Linux?
PDF annotation on Linux using Evince. Find the PDF file you want to annotate and open it in Evince. Once the PDF is loaded in Evince, click the Thumbnails dropdown arrow on the upper left corner. A menu of options will appear, and you will need to choose the Annotations option.
How do I add a signature to a PDF in LibreOffice?
Go to the “File” menu and, under “Digital signature”, choose “Sign existing PDF...” Choose the file you wish to sign. Libreoffice will open the file in read-only mode, and will give you an additional toolbar that includes the “Sign documents” button. Click on this button.
How do I add a signature to a PDF in Linux?
Launch uPdf, select the Add an image tool, draw a rectangle around the area where you want the signature to go and select the image file with your signature. A PNG with a transparent background works best. Okular PDF viewer has this built-in with annotations.
How do I annotate a PDF with a signature?
See how to sign a PDF Open the PDF document and select Sign from the top tools bar. ... Create your signature and initials if not already done. ... From the Sign panel, select your signature, move over to the field where you want to add it, and then click to place the signature. ... The form fields are detected automatically.
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