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Edit PDF / Beta

Add a Signature to a PDF Online

Draw a signature or choose a PNG or JPG signature image, preview its placement, and embed it on one PDF page.

Quick answer

What does Add Signature do?

Draw a signature or choose a PNG or JPG signature image, preview its placement, and embed it on one PDF page. The selected PDF and signature image are processed locally in this browser without being sent to a backend conversion server. This is visual signature placement, not cryptographic identity verification or certificate signing.

Use Add Signature when you need to place a drawn or uploaded visual signature on one PDF page. Common uses include place a handwritten mark on a form copy, add an approval image to one page, create a visual acknowledgement PDF.

Input: PDF and signature image
Processing: In this browser
File upload: No
Price: Free

Designed around the task

Why use Add Signature?

Focused controls, local processing, and clear limits help you finish the job without sending the document to a conversion server.

Focused results

Embeds the signature appearance as an image on the selected page.

Useful browser controls

Creates a visual signed copy; it does not add a certificate-based digital signature.

Desktop and mobile

Use Add Signature in a current desktop or mobile browser without installing a separate app.

Simple local workflow

Create an output you can inspect before sharing.

Private by design

The selected PDF and signature image are processed by JavaScript running in this browser for Add Signature. NoLogPDF does not send them to a backend conversion API, and file names, contents, form values, passwords, and output data are excluded from site analytics.

Automatic file recognition

NoLogPDF checks the selected file in your browser and shows the controls available for Add Signature.

How to use Add Signature

Choose a PDF and the page to sign.
Draw a signature or upload a PNG or JPG image.
Adjust the left, top, and width controls while reviewing the preview.
Choose Add Signature and download the PDF.

What Add Signature changes

Embeds the signature appearance as an image on the selected page.
Creates a visual signed copy; it does not add a certificate-based digital signature.

Browser-only privacy

Limits to know before using Add Signature

This is visual signature placement, not cryptographic identity verification or certificate signing.
Image resolution, page rotation, and placement controls affect how the signature looks.

Practical guidance

Place a visible signature and verify the final copy

This tool adds a visual signature to the PDF; it does not create a certificate-backed digital signature. Use it for routine approvals where a visible mark is appropriate, and use an accredited signing workflow when identity verification or tamper evidence is required.

Recommended workflow

Create or upload the signature on a trusted device.
Place and resize it without covering dates, names, or form labels.
Add the signing date or other context separately when the document requires it.

Check the result

Review the signature at normal zoom and on the correct page.
Confirm that no private background from an uploaded signature image is visible.
Open the finished PDF again before sharing it.

Common uses for Add Signature

Place a handwritten mark on a form copy.
Add an approval image to one page.
Create a visual acknowledgement PDF.

Next step: Flatten the signed appearance for a simpler review copy.

Add Signature questions

How does Add Signature work?

Draw a signature or choose a PNG or JPG signature image, preview its placement, and embed it on one PDF page. Choose a PDF and the page to sign. Draw a signature or upload a PNG or JPG image. Adjust the left, top, and width controls while reviewing the preview.

Does Add Signature upload my PDF and signature image?

No. The selected PDF and signature image are read by code running in this browser for this operation. NoLogPDF does not send them to a backend conversion API or include document data in analytics.

What does Add Signature change in the output?

Embeds the signature appearance as an image on the selected page. Creates a visual signed copy; it does not add a certificate-based digital signature.

What limits should I know before using Add Signature?

This is visual signature placement, not cryptographic identity verification or certificate signing. Image resolution, page rotation, and placement controls affect how the signature looks.

Published and maintained by NoLogPDF

How this tool page is checked

The instructions describe this browser implementation, its expected output, and its known limits. Core workflows are exercised with local fixtures, output files are validated where the format allows, and mobile behavior is checked at a narrow viewport.