add signature to PDF
Add a signature to any PDF page
Adding a signature to a PDF should not require printing the file or learning desktop PDF software. Signlark gives you a signature pad, precise placement controls, and a downloadable result you can send back immediately.
Start with your PDF
Your PDF stays in your browser unless you choose to save or share it.
Use this to add signature to pdf.
Start now, save more when you sign up
Use the browser editor for one-off PDFs without an account. Create a free account to keep files, signing links, and reusable signatures together.
- Use the browser editor for one-off PDFs
- Save PDFs to your dashboard
- Reuse signatures and stamps
- Create and track signing links
Quick answer
To add a signature to a PDF, upload the file to Signlark, open the signature tool, draw your signature, drag it onto the correct line or box, adjust the size, and download the updated PDF.
Live workflow
Watch the PDF come alive
Product proof
See the actual Signlark workflow before you upload
Signlark is built around the real document flow: prepare a PDF, send a signing link when needed, and keep completed work organized from the dashboard.
Real product screen recording
A recorded browser walkthrough of uploading a PDF, filling fields, signing, editing, and moving toward a signing workflow.
Browser PDF editor
A prepared document with detected fields, text/signature tools, stamp controls, and save/share actions visible in one workspace.
Mobile signing link
Recipients get a focused signing page instead of a confusing email thread or desktop-only PDF workflow.
Dashboard tracking
Saved PDFs, shared links, and signed documents stay organized when a team needs history and follow-up.
Page-specific proof
Why this workflow matches “add signature to PDF”
This page is not just a keyword article. It is tied to the same Signlark editor, upload flow, signing-link flow, and dashboard shown above, with details matched to the exact document job you searched for.
Draw once, reuse visually
Create a signature in-session and place it where needed on the current document.
Multiple signature spots
Add separate signature fields when a form requires initials on several pages.
Combine with dates and stamps
Pair signatures with date fields or approval stamps for clearer completed documents.
Before you upload
- Signlark adds fields, signatures, stamps, and page changes on top of your PDF.
- It is not a full replacement for rewriting every existing PDF text layer.
- Save and share features use your account so you can manage documents later.
Common jobs covered here
Choose your PDF workflow
What do you need to do with this PDF?
Start with the simple job in front of you: sign it yourself, edit or organize the file, or prepare a signing link for customers, partners, or clients.
I just need to sign a PDF
Upload the document, draw or place your signature, add any missing text or date, and download the signed PDF.
Sign my PDFI need to edit a PDF
Add text, checkboxes, stamps, page numbers, reorder pages, remove pages, or clean up a file before sharing it.
Edit a PDFI need someone else to sign
Prepare the required fields once, send a signing link to customers or partners, and track completion from the dashboard.
Send for signingHow it works
Four steps to finish your PDF
Upload the PDF, complete the fields you need, then download or share a signing link when someone else still needs to sign.
Workflow animation
From upload to live tracking
Drop file
Fields placed
Link sent
Status live
Open the PDF
Upload from your device. The document renders in the browser so you can see exactly where the signature belongs.
Create your signature
Use the signature pad to draw. Redraw as many times as needed until it looks right.
Position on the page
Place the signature on the signature block, initials line, or approval area. Resize to match the form layout.
Export the document
Download the PDF with the signature baked into the page for emailing or archiving.
Trust and privacy
Private, browser-first PDF workflows
Browser-first for local edits
For one-off editing, your PDF stays in your browser unless you choose to save or share it.
No desktop install
Open, fill, sign, and organize PDFs from a modern browser on desktop or mobile.
Free in beta
Start with core PDF workflows while Signlark is in beta. Future paid features will be labeled clearly.
What to expect
- Signlark adds fields, signatures, stamps, and page changes on top of your PDF.
- It is not a full replacement for rewriting every existing PDF text layer.
- Save and share features use your account so you can manage documents later.
Why Signlark
Built for real PDF workflows, not demos
- Simple draw-and-place signature workflow
- Works on phones, not only desktop mice
- Pair signatures with fills, stamps, and page organize
- No misleading claims about editing locked PDF text
Draw once, reuse visually
Create a signature in-session and place it where needed on the current document.
Multiple signature spots
Add separate signature fields when a form requires initials on several pages.
Combine with dates and stamps
Pair signatures with date fields or approval stamps for clearer completed documents.
No account required to start
Try the signature flow immediately from the homepage upload area.
Use cases
Teams use this for everyday documents
Client intake forms
Collect typed answers, checkboxes, and signatures on the forms clients already send as PDFs.
Vendor approvals
Fill vendor packets, stamp approvals, and return a clean completed copy without printing.
HR onboarding
Prepare offer letters and policy acknowledgments, then send a signing link for remote completion.
FAQ
Common questions
Can I upload an image of my signature?
Signlark focuses on drawn signatures in the browser. Draw with mouse or finger for a natural handwritten look.
Will the signature move when someone opens the PDF?
The signature is placed on the page and included in the exported file at the position you set.
Can I add a signature to only one page?
Yes. Place signature fields only on the pages that need them.
Is this legally binding?
Signlark helps you complete documents efficiently. Legal validity depends on your jurisdiction and the document type — check your local requirements for e-signatures.
Do I need an account to use Signlark?
No for one-off work. Upload and edit in your browser without signing up. Create a free account when you want to save files, reuse signatures and stamps, or manage signing links from your dashboard.
Is Signlark free?
Core PDF workflows are free while Signlark is in beta. Future paid features will be labeled clearly before you use them.
Where does my PDF go?
For local editing, your file stays in your browser unless you choose to save or share it. Saved and shared files are tied to your Signlark account so you can access them later.
Can I use this on my phone?
Yes. Signlark works in mobile browsers for filling fields, drawing signatures, and completing signing links.
Can I send the PDF to someone else to sign?
Yes. Prepare the document, place the required fields, then create a signing link the recipient can open in their browser without installing software.
Can Signlark edit existing PDF text?
No. Signlark adds fillable overlays, signatures, stamps, and page changes on top of your PDF. It does not rewrite the original printed text layer.
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fill and sign PDF
Fill and sign a PDF in one browser workflow
Fill out PDF fields and sign in one browser session. Add answers, draw your signature, stamp approvals, and download the finished document.
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Share a PDF to sign with a simple link
Share a PDF for signing with a focused link. Recipients complete required fields and signatures on mobile without installing an app.
Upload your PDF and finish it now
Upload a PDF, complete the fields you need, and download or share a clean finished copy.